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<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>广州精密量具网-专业精密量具网站.提供卡尺|千分尺|百分表|千分表|量块|深度尺|高度尺|粗糙度仪|测高仪|杠杆表|测厚规|塞尺|卡规|角尺|内径尺|塞规环规等精密国产量具/日本三丰量具/瑞士TESA量具/德国马尔量具展示平台</title><link>http://www.tesa17.cn/BLOG/</link><description>提供卡尺|千分尺|百分表|千分表|量块|深度尺|高度尺|粗糙度仪|测高仪|杠杆表|测厚规|塞尺|卡规|角尺|内径尺|塞规环规等精密国产量具/日本三丰量具/瑞士TESA量具/德国马尔量具展示平台</description><generator>RainbowSoft Studio Z-Blog 1.8 Devo Build 80201</generator><language>zh-CN</language><copyright>Copyright@ 2003-2009 广州精密量具网 版权所有</copyright><pubDate>Sat, 10 May 2008 18:31:06 +0800</pubDate><item><title>卡尺 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/卡尺_2176.html</link><pubDate>Sat, 10 May 2008 18:28:41 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/卡尺_2176.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td class="jj" colspan="2" height="30"><font color="#cb3300"><strong>卡尺</strong></font></td>        </tr>        <tr>            <td valign="top" colspan="2" height="607">            <table height="1294" cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td class="jj"><strong><font color="#ee7621">1、游标卡尺：利用游标原理进行测量</font></strong></td>                    </tr>                    <tr>                        <td class="jj">⑴ 规格：0～120mm、0～150mm、0～200mm、0～300mm、0～500mm、0～1000mm等</td>                    </tr>                    <tr>                        <td class="jj">⑵ 分度值：0.02mm</td>                    </tr>                    <tr>                        <td class="jj">⑶ 种类与应用：</td>                    </tr>                    <tr>                        <td>                        <table width="100%" border="0">                            <tbody>                                <tr>                                    <td>① 三用游标卡尺:可测量内、外长度尺寸和深度尺寸</td>                                </tr>                                <tr>                                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <img height="110" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao1.JPG" width="341" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                    <tr>                        <td>                        <table cellspacing="0" width="100%" border="0">                            <tbody>                                <tr>                                    <td>② 双面量爪游标卡尺：可测量内、外长度尺寸</td>                                </tr>                                <tr>                                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <img height="110" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao2.JPG" width="313" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                    <tr>                        <td>                        <table cellspacing="0" width="100%" border="0">                            <tbody>                                <tr>                                    <td>③ 单面游标卡尺：可测量内、外长度尺寸</td>                                </tr>                                <tr>                                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <img height="110" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao3.JPG" width="270" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                    <tr>                        <td>                        <table width="100%" border="0">                            <tbody>                                <tr>                                    <td colspan="2">④ 高度游标卡尺：可测量高度尺寸、可用于划线</td>                                </tr>                                <tr>                                    <td width="48%" height="274">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <img height="211" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao4.JPG" width="109" alt="" /></td>                                    <td width="52%"><img height="250" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao5.JPG" width="108" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                    <tr>                        <td>                        <table width="100%" border="0">                            <tbody>                                <tr>                                    <td>⑤ 深度游标卡尺：主要用于测量阶梯、盲孔沟槽等深度尺寸</td>                                </tr>                                <tr>                                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <img height="169" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao6.JPG" width="193" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                    <tr>                        <td height="26">&nbsp;                        <table cellspacing="0" width="100%" border="0">                            <tbody>                                <tr>                                    <td colspan="2"><font color="#ee7621"><strong>2、带表卡尺：测量读数用指针来显示</strong></font></td>                                </tr>                                <tr>                                    <td align="left" width="55%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;                                    <div align="right"><img height="77" hspace="40" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao7.JPG" width="284" alt="" /></div>                                    </td>                                    <td width="45%"><img height="82" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao8.JPG" width="268" alt="" /></td>                                </tr>                            </tbody>                        </table>                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>                    </tr>                    <tr>                        <td>                        <table cellspacing="0" width="100%" border="0">                            <tbody>                                <tr>                                    <td><font color="#ee7621"><strong>3、电子数显卡尺：测量读数用数字显示</strong></font></td>                                </tr>                                <tr>                                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/kao9.JPG" width="280" alt="" /></td>                                </tr>                                <tr>                                    <td>&nbsp;</td>                                </tr>                                <tr>                                    <td>&nbsp;</td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                </tbody>            </table>            </td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/卡尺_2176.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=355</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=355&amp;key=4e4406b0</trackback:ping></item><item><title>测微量具-千分尺-螺旋测微器</title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/测微量具-千分尺-螺旋测微器.html</link><pubDate>Sat, 10 May 2008 18:25:43 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/测微量具-千分尺-螺旋测微器.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>测微量具</strong></font></td>        </tr>        <tr>            <td valign="top" colspan="2" height="25"><strong><font color="#ee7621">1、测轴千分尺：测量轴径、宽度、厚度等外尺寸            <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) return;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script>            <style type="text/css">.child {display:none}</style></font></strong></td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">① 外径千分尺：可绝对测量也可相对测量</td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">&nbsp;&nbsp;&nbsp;分度值0.01mm，也有0.001mm的（称为微米千分尺）</td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">&nbsp;&nbsp;&nbsp;测量范围：0～25mm，25～50mm，&hellip;475～500mm ；500～600mm，600～700mm，&hellip;900～1000mm<a onclick="expandIt('KB1'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_5.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td valign="top" colspan="2">            <div class="child" id="KB1Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="90%" align="center" border="0">                <tbody>                    <tr>                        <td width="52%"><strong><font color="#00a854"><img height="151" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/4-2-5shuxian.jpg" width="300" alt="" /></font></strong></td>                        <td width="48%"><strong><font color="#00a854"><img height="148" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/4-2-5qiutou.jpg" width="256" align="left" alt="" /></font></strong></td>                    </tr>                    <tr>                        <td rowspan="2"><strong><font color="#00a854"><img height="249" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/4-2-5xilie.jpg" width="300" align="left" alt="" /></font></strong></td>                        <td valign="top" align="center"><strong><font color="#00a854"><img height="130" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/4-2-5waijing.jpg" width="256" align="left" alt="" /></font></strong></td>                    </tr>                    <tr>                        <td valign="top" align="center"><strong><font color="#00a854"><img height="141" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/4-2-5cehou.jpg" width="256" align="left" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td valign="top" colspan="2">            <table cellspacing="0" width="100%" border="0">                <tbody>                    <tr>                        <td>&nbsp;</td>                        <td width="30%" rowspan="5"><img height="111" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/4-2-5ggk.jpg" width="202" alt="" /></td>                    </tr>                    <tr>                        <td width="68%" height="25">② 杠杆卡规：主要用于相对测量，也可用于绝对法测量形位误差，如右图。</td>                    </tr>                    <tr>                        <td height="25">&nbsp;&nbsp;&nbsp;分度值：0.005mm，0.002mm两种</td>                    </tr>                    <tr>                        <td height="25">&nbsp;&nbsp;&nbsp;测量范围：0～25mm，25～50mm，&hellip;&hellip;125～150mm6档</td>                    </tr>                    <tr>                        <td valign="bottom">&nbsp;&nbsp;</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="top" colspan="2">            <table cellspacing="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="56%" height="30">③ 杠杆千分尺:可绝对测量也可相对测量，如右图</td>                        <td width="46%" rowspan="4"><img height="115" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/ggqianfen.jpg" width="292" alt="" /></td>                    </tr>                    <tr>                        <td height="30">&nbsp;&nbsp;&nbsp;分度值：0.005mm，0.002mm两种</td>                    </tr>                    <tr>                        <td height="30">&nbsp;&nbsp;&nbsp;测量范围：0～25mm，25～50mm，&hellip;&hellip;75～100mm</td>                    </tr>                    <tr>                        <td height="30">&nbsp;</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="top" colspan="2" height="25"><strong><font color="#ee7621">2、测孔千分尺：</font></strong>测量内径、槽宽、两端面或两内圆弧面之间的距离等内尺寸&nbsp;</td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">① 内侧千分尺：测量精度较外径千分尺低</td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">&nbsp;&nbsp;&nbsp;分度值0.01mm；</td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">&nbsp;&nbsp;&nbsp;测量范围：5～30mm、25～50mm、50～75mm</td>        </tr>        <tr>            <td valign="top" colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td align="center" width="36%"><img height="93" hspace="10" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/neiceqianfenchi_1.GIF" width="232" alt="" /></td>                        <td width="64%"><img height="154" hspace="50" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/neiceqianfenchi.jpg" width="226" alt="" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2" height="25">② 内径千分尺：测量精度较外径千分尺低<a onclick="expandIt('KB5'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_5.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;分度值：0.01mm</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;测量范围：50～175mm、75～575mm、100～1100mm等，最大可达5000mm</td>        </tr>        <tr>            <td valign="top" colspan="2">            <div class="child" id="KB5Child" style="display: none">            <table height="478%" cellspacing="0" cellpadding="0" width="228" align="center" border="0">                <tbody>                    <tr>                        <td valign="top" width="228" height="100%"><img height="185" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/neijingqianfenchi.GIF" width="228" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB5Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">③ 三爪千分尺：使用最方便，精度高</td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">&nbsp;&nbsp;&nbsp;分度值：0.001mm、0.005mm、0.01mm</td>        </tr>        <tr>            <td valign="top" colspan="2" height="25">&nbsp;&nbsp;&nbsp;测量范围：6～8mm、8～10mm、&hellip;&hellip;、17～20mm、20～25mm、25～30mm、&hellip;&hellip;40～50mm、50～60mm等</td>        </tr>        <tr>            <td valign="top" colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td><img height="150" hspace="45" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/sanzhuaneijingqianfenchi1.jpg" width="243" alt="" /></td>                        <td width="70%"><img height="170" hspace="50" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/sanzhuaneijingqianfenchi3.JPG" width="198" alt="" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="top" colspan="2"><font color="#ee7621"><strong>3、深度千分尺：</strong></font>测量盲孔、阶梯孔、键槽等的深度和台阶高度尺寸<font color="#ee7621"><a onclick="expandIt('KB7'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_5.htm#"><strong><font color="#00a854">（如图）</font></strong></a><strong> </strong></font></td>        </tr>        <tr>            <td valign="top" colspan="2">&nbsp;&nbsp;&nbsp;分度值：0.01mm</td>        </tr>        <tr>            <td valign="top" colspan="2">&nbsp;&nbsp;&nbsp;测量范围：0～100mm、100～150mm</td>        </tr>        <tr>            <td valign="top" colspan="2">            <div class="child" id="KB7Child" style="display: none">            <table height="17%" cellspacing="0" cellpadding="0" width="302" align="center" border="0">                <tbody>                    <tr>                        <td valign="top" height="218"><img height="192" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/shenduqianfenchi.jpg" width="300" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB7Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td valign="top" colspan="2">&nbsp;</td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/测微量具-千分尺-螺旋测微器.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=354</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=354&amp;key=27780629</trackback:ping></item><item><title>指示表 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/指示表_4949.html</link><pubDate>Sat, 10 May 2008 18:23:14 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/指示表_4949.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>指示表</strong></font></td>        </tr>        <tr>            <td valign="top" colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>1、百分表和千分表：                        <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) return;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script>                        <style type="text/css">.child {display:none}</style></strong></font><a onclick="expandIt('KB1'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td>① 主要用于相对测量工件的尺寸和形位误差</td>                    </tr>                    <tr>                        <td>② 常用磁力表座挟持</td>                    </tr>                    <tr>                        <td>③ 也可用作其它检验工具、专用量仪上的读数装置</td>                    </tr>                    <tr>                        <td>④ 分度值：0.01mm（百分表）、0.001mm（千分表）</td>                    </tr>                    <tr>                        <td>⑤ 测量范围：</td>                    </tr>                    <tr>                        <td>　 &nbsp;百分表：0～3mm、0～5mm、0～10mm</td>                    </tr>                    <tr>                        <td>&nbsp;　 大量程百分表：0～30mm、0～50mm、0～100mm</td>                    </tr>                    <tr>                        <td>&nbsp;　 千分表：0～1mm、0～2mm、0～3mm、0～5mm</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB1Child" style="display: none">                        <table height="397" cellspacing="0" cellpadding="0" width="600" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="333" height="214"><img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/baifenbiao.jpg" width="296" alt="" /></td>                                    <td valign="top"><img height="213" hspace="20" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/cehougui.jpg" width="130" alt="" /></td>                                </tr>                                <tr>                                    <td valign="top" height="181"><img height="147" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/daliangchengbaifenbiao.jpg" width="300" alt="" /></td>                                    <td valign="top" width="290"><img height="251" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/duanmianbaifenbiao.jpg" width="279" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td>&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>2、杠杆百分表和杠杆千分表：</strong></font><a onclick="expandIt('KB2'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td valign="top">① 相对法测量工件形位误差、小孔、凹槽、孔距尺寸</td>                    </tr>                    <tr>                        <td valign="top">② 分度值：0.01mm（百分表）；0.001mm、0.002mm（千分表）</td>                    </tr>                    <tr>                        <td valign="top">③ 测量范围：0～0.8mm、0～1mm（百分表）；0～0.2mm（千分表）</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB2Child" style="display: none">                        <table cellspacing="0" cellpadding="0" width="80%" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="32%" height="226"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/gangganbaifenbiao.jpg" width="137" alt="" /></td>                                    <td valign="top" width="68%"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/qianfenbiao.jpg" width="289" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB2Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td>&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>3、内径百分表和内径千分表：</strong></font><a onclick="expandIt('KB3'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td class="jj">① 主要用于相对法测量孔径、槽宽等内尺寸及其形状误差</td>                    </tr>                    <tr>                        <td class="jj">② 结构：带定位护桥式、胀簧式、钢球式</td>                    </tr>                    <tr>                        <td>③ 分度值：0.01mm</td>                    </tr>                    <tr>                        <td>④ 测量范围：6～10mm、10～18mm、18～35mm、&hellip;、250～450mm</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB3Child" style="display: none">                        <table cellspacing="0" cellpadding="0" width="88%" align="center" border="0">                            <tbody>                                <tr>                                    <td align="center" width="50%" height="226" rowspan="2"><img height="234" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/neijingbiaoxilie.jpg" width="300" alt="" /></td>                                    <td valign="top" align="right" width="50%" height="182"><img height="179" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/neijinbaifenbiao.jpg" width="300" alt="" /></td>                                </tr>                                <tr>                                    <td valign="top" align="right" height="33"><img height="98" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/shuxianneijingbiao.jpg" width="300" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB3Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td height="12">&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>4、扭簧比较仪和杠杆齿轮比较仪：相对法测量</strong></font><a onclick="expandIt('KB4'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td class="jj">① 主要用于测量高精度工件的形状、位置误差，特别适合测跳动误差</td>                    </tr>                    <tr>                        <td class="jj">② 分度值：0.0005、0.001、0.002、0.005mm</td>                    </tr>                    <tr>                        <td>③ 示值范围：&plusmn;0.015～&plusmn;0.15mm</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB4Child" style="display: none">                        <table height="314" cellspacing="0" cellpadding="0" width="575" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="129" height="314"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/gangganchilunbaifenbiao.jpg" width="129" alt="" /></td>                                    <td valign="top" width="168"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/baifenbiaobijiaoyi.jpg" width="154" alt="" /></td>                                    <td valign="top" width="133"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/niuhuangbijiaoyi.jpg" width="133" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB4Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td height="3">&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>5、气动量仪：精度高</strong></font><a onclick="expandIt('KB5'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td>① 类型：薄膜式、浮标式、波纹管式、水柱式</td>                    </tr>                    <tr>                        <td>② 应用：</td>                    </tr>                    <tr>                        <td>&nbsp;　 可装在比较仪座上作长度测量</td>                    </tr>                    <tr>                        <td>&nbsp;　 可装上测孔、测轴量透直接测量孔轴直径</td>                    </tr>                    <tr>                        <td>&nbsp;　 可同时对几个参数进行综合测量</td>                    </tr>                    <tr>                        <td>&nbsp;　 可装在机床上进行主动测量和自动测量</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB5Child" style="display: none">                        <table cellspacing="0" cellpadding="0" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="150" height="267"><img height="170" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/shumaqidongceweiyi.jpg" width="146" alt="" /></td>                                    <td valign="top" width="161"><img height="180" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/biaopanshiqidongceweiyi.jpg" width="137" alt="" /></td>                                    <td valign="top" width="146"><img height="267" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/litishiqidongceweiyi.jpg" width="131" alt="" /></td>                                    <td valign="top" width="155"><img height="254" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/liuliangxingqidongceweiyi.jpg" width="150" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB5Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td height="19">　　</td>                    </tr>                </tbody>            </table>            </td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/指示表_4949.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=353</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=353&amp;key=9cad76fa</trackback:ping></item><item><title>指示表 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/指示表.html</link><pubDate>Sat, 10 May 2008 18:23:14 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/指示表.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>指示表</strong></font></td>        </tr>        <tr>            <td valign="top" colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>1、百分表和千分表：                        <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) return;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script>                        <style type="text/css">.child {display:none}</style></strong></font><a onclick="expandIt('KB1'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td>① 主要用于相对测量工件的尺寸和形位误差</td>                    </tr>                    <tr>                        <td>② 常用磁力表座挟持</td>                    </tr>                    <tr>                        <td>③ 也可用作其它检验工具、专用量仪上的读数装置</td>                    </tr>                    <tr>                        <td>④ 分度值：0.01mm（百分表）、0.001mm（千分表）</td>                    </tr>                    <tr>                        <td>⑤ 测量范围：</td>                    </tr>                    <tr>                        <td>　 &nbsp;百分表：0～3mm、0～5mm、0～10mm</td>                    </tr>                    <tr>                        <td>&nbsp;　 大量程百分表：0～30mm、0～50mm、0～100mm</td>                    </tr>                    <tr>                        <td>&nbsp;　 千分表：0～1mm、0～2mm、0～3mm、0～5mm</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB1Child" style="display: none">                        <table height="397" cellspacing="0" cellpadding="0" width="600" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="333" height="214"><img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/baifenbiao.jpg" width="296" alt="" /></td>                                    <td valign="top"><img height="213" hspace="20" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/cehougui.jpg" width="130" alt="" /></td>                                </tr>                                <tr>                                    <td valign="top" height="181"><img height="147" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/daliangchengbaifenbiao.jpg" width="300" alt="" /></td>                                    <td valign="top" width="290"><img height="251" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/duanmianbaifenbiao.jpg" width="279" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td>&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>2、杠杆百分表和杠杆千分表：</strong></font><a onclick="expandIt('KB2'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td valign="top">① 相对法测量工件形位误差、小孔、凹槽、孔距尺寸</td>                    </tr>                    <tr>                        <td valign="top">② 分度值：0.01mm（百分表）；0.001mm、0.002mm（千分表）</td>                    </tr>                    <tr>                        <td valign="top">③ 测量范围：0～0.8mm、0～1mm（百分表）；0～0.2mm（千分表）</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB2Child" style="display: none">                        <table cellspacing="0" cellpadding="0" width="80%" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="32%" height="226"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/gangganbaifenbiao.jpg" width="137" alt="" /></td>                                    <td valign="top" width="68%"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/qianfenbiao.jpg" width="289" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB2Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td>&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>3、内径百分表和内径千分表：</strong></font><a onclick="expandIt('KB3'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td class="jj">① 主要用于相对法测量孔径、槽宽等内尺寸及其形状误差</td>                    </tr>                    <tr>                        <td class="jj">② 结构：带定位护桥式、胀簧式、钢球式</td>                    </tr>                    <tr>                        <td>③ 分度值：0.01mm</td>                    </tr>                    <tr>                        <td>④ 测量范围：6～10mm、10～18mm、18～35mm、&hellip;、250～450mm</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB3Child" style="display: none">                        <table cellspacing="0" cellpadding="0" width="88%" align="center" border="0">                            <tbody>                                <tr>                                    <td align="center" width="50%" height="226" rowspan="2"><img height="234" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/neijingbiaoxilie.jpg" width="300" alt="" /></td>                                    <td valign="top" align="right" width="50%" height="182"><img height="179" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/neijinbaifenbiao.jpg" width="300" alt="" /></td>                                </tr>                                <tr>                                    <td valign="top" align="right" height="33"><img height="98" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/shuxianneijingbiao.jpg" width="300" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB3Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td height="12">&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>4、扭簧比较仪和杠杆齿轮比较仪：相对法测量</strong></font><a onclick="expandIt('KB4'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td class="jj">① 主要用于测量高精度工件的形状、位置误差，特别适合测跳动误差</td>                    </tr>                    <tr>                        <td class="jj">② 分度值：0.0005、0.001、0.002、0.005mm</td>                    </tr>                    <tr>                        <td>③ 示值范围：&plusmn;0.015～&plusmn;0.15mm</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB4Child" style="display: none">                        <table height="314" cellspacing="0" cellpadding="0" width="575" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="129" height="314"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/gangganchilunbaifenbiao.jpg" width="129" alt="" /></td>                                    <td valign="top" width="168"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/baifenbiaobijiaoyi.jpg" width="154" alt="" /></td>                                    <td valign="top" width="133"><img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/niuhuangbijiaoyi.jpg" width="133" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB4Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td height="3">&nbsp;</td>                    </tr>                    <tr>                        <td class="jj"><font color="#ee7621"><strong>5、气动量仪：精度高</strong></font><a onclick="expandIt('KB5'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_2_6.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>                    </tr>                    <tr>                        <td>① 类型：薄膜式、浮标式、波纹管式、水柱式</td>                    </tr>                    <tr>                        <td>② 应用：</td>                    </tr>                    <tr>                        <td>&nbsp;　 可装在比较仪座上作长度测量</td>                    </tr>                    <tr>                        <td>&nbsp;　 可装上测孔、测轴量透直接测量孔轴直径</td>                    </tr>                    <tr>                        <td>&nbsp;　 可同时对几个参数进行综合测量</td>                    </tr>                    <tr>                        <td>&nbsp;　 可装在机床上进行主动测量和自动测量</td>                    </tr>                    <tr>                        <td>                        <div class="child" id="KB5Child" style="display: none">                        <table cellspacing="0" cellpadding="0" align="center" border="0">                            <tbody>                                <tr>                                    <td valign="top" width="150" height="267"><img height="170" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/shumaqidongceweiyi.jpg" width="146" alt="" /></td>                                    <td valign="top" width="161"><img height="180" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/biaopanshiqidongceweiyi.jpg" width="137" alt="" /></td>                                    <td valign="top" width="146"><img height="267" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/litishiqidongceweiyi.jpg" width="131" alt="" /></td>                                    <td valign="top" width="155"><img height="254" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/liuliangxingqidongceweiyi.jpg" width="150" alt="" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB5Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>                        </td>                    </tr>                    <tr>                        <td height="19">　　</td>                    </tr>                </tbody>            </table>            </td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/指示表.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=352</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=352&amp;key=d1da8fd2</trackback:ping></item><item><title>常用测量仪器 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/常用测量仪器.html</link><pubDate>Sat, 10 May 2008 18:20:28 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/常用测量仪器.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="top" colspan="4">            <table cellspacing="0" cellpadding="0" width="95%" border="0">                <tbody>                    <tr>                        <td colspan="2" height="30"><font color="#cb3300"><strong>常用测量仪器</strong></font></td>                    </tr>                    <tr>                        <td valign="top" colspan="2">                        <table cellspacing="0" cellpadding="0" width="95%" border="0">                            <tbody>                                <tr>                                    <td colspan="2"><font color="#ee7621"><strong>1、立式光学计：</strong></font>以量块为基准，对外尺寸作相对法测量，微小尺寸亦可用绝对法测量 <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    reno4rn ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) reno4rn;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) reno4rn;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script><strong><font color="#00a854">（如图）</font></strong></td>                                </tr>                                <tr>                                    <td colspan="2" height="14">&nbsp;&nbsp;&nbsp; 应用：测圆柱形、球形工件的直径；测板形工件厚度；检定量块</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">                                    <div class="child" id="KB1Child">                                    <table cellspacing="0" cellpadding="0" width="60%" align="center" border="0">                                        <tbody>                                            <tr>                                                <td valign="top" width="49%" height="268"><img height="265" alt="" width="201" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/lishiguangxueqi.jpg" /></td>                                                <td valign="top" width="51%"><img height="300" alt="" width="209" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/shuxianlishiguangxueqi.jpg" /></td>                                            </tr>                                        </tbody>                                    </table>                                    </div>                                    <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                                </tr>                                <tr>                                    <td colspan="2" height="16">&nbsp;</td>                                </tr>                                <tr>                                    <td colspan="2"><strong><font color="#ee7621">2、三坐标测量机（英文缩写为CMM）：</font></strong>集各种先进技术于一身的高效精密测量仪器<strong><font color="#00a854">（如图）</font></strong></td>                                </tr>                                <tr>                                    <td valign="top" colspan="2" height="16">&nbsp;① 功能：</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">　 <font color="#030303">测量</font>：测复杂零件的几何尺寸、相互位置精度、X、Y、Z坐标并打印出来；对空间型面进行扫描并绘出轮廓曲线图，确定各部分误差值。</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">　 <font color="#030303">数字运算与程序控制</font>：可将测量操作过程编程、存盘，运行程序可自动测量</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">　 <font color="#030303">自学习</font>：可自动记录手动操作测量的全过程并自动生成测量程序</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">　 <font color="#030303">轻型加工</font>：可用于划线、钻孔、精铣模型和样板、光刻集成线路板等轻加工</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">② 分类：</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">　 <font color="#030303">按工作方式分</font>：点位测量方式、连续扫描测量方式</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">　 <font color="#030303">按结构方式分</font>：悬臂式、桥式、龙门式、立柱式、坐标镗床式</td>                                </tr>                                <tr>                                    <td colspan="2" height="16">　 <font color="#030303">按精度分</font>：精密型（计量室，分辨率0.5～0.002&mu;ｍ）、生产型（生产车间用，分辨率5～10&mu;ｍ）</td>                                </tr>                                <tr>                                    <td colspan="2">                                    <div class="child" id="KB2Child">                                    <table height="268" cellspacing="0" cellpadding="0" width="258" align="center" border="0">                                        <tbody>                                            <tr>                                                <td valign="top" width="258" height="268"><img height="280" alt="" width="255" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/sanzuobiaoceliangji.jpg" /></td>                                            </tr>                                        </tbody>                                    </table>                                    </div>                                    <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB2Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                                </tr>                                <tr>                                    <td colspan="2" height="16">&nbsp;</td>                                </tr>                                <tr>                                    <td colspan="2"><font color="#ee7621"><strong>3、光学分度头：</strong></font>以度盘为基准元件的测量器具<strong><font color="#00a854">（如图）</font></strong></td>                                </tr>                                <tr>                                    <td colspan="2">应用：</td>                                </tr>                                <tr>                                    <td colspan="2" height="19">① 测量角度参数、测量圆分度误差；</td>                                </tr>                                <tr>                                    <td colspan="2">② 配以定位装置可测量角度</td>                                </tr>                                <tr>                                    <td colspan="2">③ 配以测长装置以角度定位可测量综合参数</td>                                </tr>                                <tr>                                    <td colspan="2">                                    <div class="child" id="KB3Child">                                    <table height="152" cellspacing="0" cellpadding="0" width="407" align="center" border="0">                                        <tbody>                                            <tr>                                                <td valign="top" width="129" height="152"><img height="122" alt="" width="298" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/shuxianfendutou.jpg" /></td>                                                <td valign="top" width="128"><img height="152" alt="" width="285" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/touyingguangxuefendutou.jpg" /></td>                                            </tr>                                        </tbody>                                    </table>                                    </div>                                    <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB3Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                                </tr>                                <tr>                                    <td colspan="2">&nbsp;</td>                                </tr>                                <tr>                                    <td colspan="2"><font color="#ee7621"><strong>4、投影仪：</strong></font>用光学放大系统，将被测轮廓放大并投影到观察屏幕上<strong><font color="#00a854">（如图）</font></strong></td>                                </tr>                                <tr>                                    <td colspan="2" height="3">① 测量方法</td>                                </tr>                                <tr>                                    <td colspan="2">&nbsp;&nbsp;移动工作台，使投影屏上的十字（或米字）刻线分别对准被测轮廓的两端边缘，读工作台移动的距离得到被测尺寸,将放大的被测轮廓与放大的标准图样比较，判断合格与否</td>                                </tr>                                <tr>                                    <td colspan="2" height="3">② 应用：小型工件测量、复杂形状测量</td>                                </tr>                                <tr>                                    <td colspan="2" height="3">                                    <div class="child" id="KB4Child">                                    <table height="152" cellspacing="0" cellpadding="0" width="611" align="center" border="0">                                        <tbody>                                            <tr>                                                <td valign="top" width="222" height="152"><img height="300" alt="" width="222" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/woshitouyingyi.jpg" /></td>                                                <td width="218"><img height="169" alt="" width="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/touyingyi.jpg" /></td>                                                <td width="228"><img height="260" alt="" width="181" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/touyingyi.gif" /></td>                                            </tr>                                        </tbody>                                    </table>                                    </div>                                    <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB4Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                                </tr>                                <tr>                                    <td colspan="2" height="3">&nbsp;</td>                                </tr>                                <tr>                                    <td height="26"><strong><font color="#ee7621">5、万能测长仪：</font></strong>测量长度尺寸（如图）</td>                                    <td width="59%" rowspan="5"><img height="142" alt="" width="350" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/wannengcechangyi.jpg" /></td>                                </tr>                                <tr>                                    <td height="26">应用：</td>                                </tr>                                <tr>                                    <td width="41%" height="26">① 对外尺寸进行直接测量或比较测量</td>                                </tr>                                <tr>                                    <td height="26">② 加内侧附件对内尺寸进行比较测量</td>                                </tr>                                <tr>                                    <td height="26">③ 加螺纹附件可测量内、外螺纹中径</td>                                </tr>                                <tr>                                    <td colspan="2" height="3">&nbsp;</td>                                </tr>                                <tr>                                    <td colspan="2"><strong><font color="#ee7621">6、工具显微镜和万能工具显微镜：</font></strong>以显微镜放大工件形状，移动工作台瞄准测量部位的不同边缘，读工作台移动的坐标值－－得工件被测尺寸<strong><font color="#00a854">（如图）</font></strong></td>                                </tr>                                <tr>                                    <td colspan="2">① 工具显微镜</td>                                </tr>                                <tr>                                    <td colspan="2">　 <font color="#030303">所配附件</font>：螺纹轮廓目镜、圆弧轮廓目镜、顶尖座、V形架</td>                                </tr>                                <tr>                                    <td colspan="2">　 <font color="#030303">应用</font>：</td>                                </tr>                                <tr>                                    <td>　　a) 测扁平工件的长度；<br />                                    　　b) 光滑圆柱直径；<br />                                    　　c) 圆锥体锥度；<br />                                    　　d) 样板、刀具和工件的角度；<br />                                    　　e) 冲模和凸轮的形状；<br />                                    　　f) 螺纹的中径、螺距、牙形角；<br />                                    　　g) 圆弧半径；<br />                                    　　h) 孔间距</td>                                    <td><img height="162" alt="" width="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/gonguxianweijing.jpg" /></td>                                </tr>                                <tr>                                    <td colspan="2">                                    <div class="child" id="KB6Child">                                    <table cellspacing="0" cellpadding="0" width="90%" align="center" border="0">                                        <tbody>                                            <tr>                                                <td valign="top" width="51%" height="152"><img height="283" alt="" width="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/daxinggongjuxianweijing.jpg" /></td>                                                <td width="49%"><img height="266" alt="" width="244" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/gongjuxianweijing_good.jpg" /></td>                                            </tr>                                        </tbody>                                    </table>                                    </div>                                    <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB6Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                                </tr>                                <tr>                                    <td colspan="2">&nbsp;</td>                                </tr>                                <tr>                                    <td colspan="2">② 万能工具显微镜<strong><font color="#00a854">（如图）</font></strong></td>                                </tr>                                <tr>                                    <td colspan="2">　 <font color="#030303">所配附件</font>：除上述附件外还有：光学灵敏杠杆、测量刀、光学转台、光学分度头　</td>                                </tr>                                <tr>                                    <td colspan="2">　 <font color="#030303">应用</font>：除上述参数外还可：</td>                                </tr>                                <tr>                                    <td colspan="2">　　a) 进行接触测量<br />                                    　　b) 以极坐标和圆柱坐标系进行测量（如平面阿基米德螺线、圆柱面上的螺旋线）</td>                                </tr>                                <tr>                                    <td colspan="2">                                    <div class="child" id="KB7Child">                                    <table height="268" cellspacing="0" cellpadding="0" width="258" align="center" border="0">                                        <tbody>                                            <tr>                                                <td valign="top" width="258" height="268"><img height="292" alt="" width="271" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/sxwn.gif" /></td>                                            </tr>                                        </tbody>                                    </table>                                    </div>                                    <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB7Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                                </tr>                                <tr>                                    <td colspan="2">&nbsp;</td>                                </tr>                                <tr>                                    <td colspan="2">&nbsp;</td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="top">&nbsp;</td>            <td valign="top" colspan="4">&nbsp;</td>        </tr>        <tr>            <td valign="top">&nbsp;</td>            <td valign="top" colspan="4">&nbsp;</td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/常用测量仪器.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=351</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=351&amp;key=39ca71ab</trackback:ping></item><item><title>计量器具的选择 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/计量器具的选择.html</link><pubDate>Sat, 10 May 2008 18:18:45 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/计量器具的选择.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom"><font color="#1874cd" size="3"><strong onmouseover="MM_showHideLayers('Layer1','','show')" onmouseout="MM_showHideLayers('Layer1','','hide')">计量器具的选择</strong></font></td>        </tr>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>一、概述：</strong></font></td>        </tr>        <tr>            <td valign="bottom" colspan="2">　　所有测量中，尺寸测量是最基本的。<br />            　　因为在形状、位置、表面粗糙度的测量中，甚至在角度、锥度、螺纹、齿轮的单项测量中，其误差大都是以长度值来表示的。这些几何量的测量，虽在方法、器具以及数据的处理方面有其各自的特点，但实质上仍然是以尺寸测量为基础的。</td>        </tr>        <tr>            <td valign="bottom" colspan="2">　　由于被测量零件的形状、大小、精度和使用场合不同，采用的计量器具也不同。对于大批量生产的零件，为提高检测效率，多采用专用量规来检验；对于单件或小批量生产，则常采用通用器具来测量。　</td>        </tr>    </tbody></table></p><table cellspacing="0" cellpadding="0" width="100%" border="0">    <tbody>        <tr>            <td height="30"><font color="#cb3300"><strong>二、验收极限与计量器具的选择原则</strong></font></td>        </tr>        <tr>            <td height="30"><font color="#ee7621"><strong>1、验收极限与安全裕度A</strong></font></td>        </tr>        <tr>            <td class="black" valign="top"><strong>⑴ 适用</strong>：<br />            &nbsp;① 普通计量器具<br />            &nbsp;② 车间现场检测且只测量1次，不作出修正即作判断<br />            &nbsp;③ 基本尺寸&le;500，IT8～IT6，也适用于一般公差尺寸　 <br />            <strong>⑵ 原则</strong>：宁可误废不误收<br />            <strong>⑶ 验收极限</strong>：<br />            &nbsp;① 方法一：公差带内收A：<br />            &nbsp;&nbsp;a)上验收极限＝最大极限尺寸－A<br />            &nbsp;&nbsp;b)下验收极限＝最小极限尺寸＋A<br />            　 数值A：按尺寸和精度等级查表 4-4<br />            　 优先选Ⅰ档，没有量具再依次考虑Ⅱ、Ⅲ档 <br />            &nbsp;② 方法二：公差带不变：A = 0<br />            <strong>⑷选择原则</strong>：<br />            &nbsp;① 配合尺寸、包容尺寸、&lt;IT8非配合尺寸时，用方法一<br />            &nbsp;② 工艺能力系数<strong>C</strong><font size="-1"><strong>p</strong>&gt;</font>1时<br />            &nbsp;&nbsp;a)非配合尺寸，用方法二<br />            &nbsp;&nbsp;b)配合尺寸（轴的最大极限尺寸、孔的最小极限尺寸），用方法一<br />            &nbsp;③ 偏态形分布的尺寸&rarr;尺寸偏向的一边用方法一<br />            &nbsp;④ 非配合和一般尺寸&rarr;用方法二</td>        </tr>        <tr>            <td class="black" valign="bottom" height="40"><font color="#ee7621"><strong>2、 计量器具的选择原则</strong></font></td>        </tr>        <tr>            <td class="black">            <p><strong>⑴ 类型、规格选择</strong>：与工件外形、位置、尺寸、被测参数特征相适应<br />            <strong>⑵ 精度选择</strong>：计量器具的不确定度u&le;测量不确定度的允许值u1<br />            　 <strong>例：</strong>测<img height="21" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/others/gongshi.gif" width="80" alt="" /><img height="20" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/others/zimue.gif" width="18" alt="" />，请确定验收极限并选择适当的计量器具<br />            　 解：① 分析：该尺寸是外尺寸 应选测外尺寸的量具<br />            　　　　　　　　该尺寸是包容尺寸 应用方法一<br />            　　　 ② 确定验收极限<br />            　　　 a) 查出该尺寸的上下偏差：es = 0，ei = －0.062mm<br />            　　　 b) 算出最大最小极限尺寸：最大极限尺寸MML= 35－0 = 35mm<br />            　　　 c) 最小极限尺寸LML= 35－0.062 = 34.938mm<br />            　　　 d) 查课本表4-4，选Ⅰ档，得A = 0.0062mm<br />            　　　 f) 算验收极限：上验收极限 = 35－0.0062 = 34.994mm<br />            　　　 g) 下验收极限 = 34.938 + 0.0062 = 34.944mm<br />            <strong>⑶ 选择量具</strong><br />            &nbsp;① 查课本表4-4(p143)，选Ⅰ档，得u 1 = 5.6&mu;m = 0.0056mm<br />            &nbsp;② 查课本表4-5(p144)，得分度值为0.01的外径千分尺的不确定度u = 0.004mm<br />            &nbsp;③ 比较：u &lt; u1 ，所以该量具可用<br />            &nbsp;</p>            </td>        </tr>    </tbody></table>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/计量器具的选择.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=350</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=350&amp;key=7079c6df</trackback:ping></item><item><title>尺寸误差的测量 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/尺寸误差的测量.html</link><pubDate>Sat, 10 May 2008 18:17:58 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/尺寸误差的测量.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td width="85%"><strong><font onmouseover="MM_showHideLayers('Layer1','','show');MM_showHideLayers('Layer1','','show')" onmouseout="MM_showHideLayers('Layer1','','hide');MM_showHideLayers('Layer1','','hide')" color="#1874cd" size="3">尺寸误差的测量</font></strong></td>        </tr>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>圆柱轴径和孔径的测量</strong></font></td>        </tr>        <tr>            <td colspan="2" height="30"><font color="#ee7621"><strong>1、中等尺寸：</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">　　根据被测尺寸精度和被测表面的特点和产量大小，参考课本表4-6(p145)选取计量器具进行测量</td>        </tr>        <tr valign="bottom">            <td colspan="2" height="40"><font color="#ee7620"><strong>2、大尺寸：&gt; 500mm </strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">（1）包括：</td>        </tr>        <tr>            <td colspan="2" height="25">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="28%">&nbsp;&nbsp;&nbsp;① 大孔径、大轴径<br />                        &nbsp;&nbsp;&nbsp;③ 沿导轨运动的位移 <br />                        &nbsp;&nbsp;&nbsp;⑤ 大型部件安装位置 <br />                        &nbsp;</td>                        <td valign="top" width="72%">&nbsp;&nbsp;&nbsp;② 大型零部件的长度<br />                        &nbsp;&nbsp;&nbsp;④ 没有导轨的空间位移 <br />                        &nbsp;&nbsp;&nbsp;⑥ 大型结构三维形状尺寸</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2" height="25">（2）测量方法：            <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        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 <td colspan="2">&nbsp;&nbsp;&nbsp;② <font color="#333333">通过测量弦长、弓高、周长等其他参数间接测量；<br />            　 例如下图，&nbsp;通过测三球直径和深度h，间接算出孔径D</font></td>        </tr>        <tr>            <td colspan="2">            <table height="268" cellspacing="0" cellpadding="0" width="258" align="center" border="0">                <tbody>                    <tr>                        <td valign="top" width="258" height="268"><img height="220" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/no4/tu4-10.gif" width="451" alt="" /></td>                    </tr>                </tbody>            </table>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;&nbsp;③<font color="#333333"> 用测距仪或激光干涉仪测量（测精密尺寸时用）</font></td>        </tr>        <tr>            <td colspan="2">&nbsp;</td>        </tr>        <tr>            <td colspan="2"><font color="#ee7620"><strong>3 、小尺寸轴径和孔径测量：</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">（1）测小直径轴</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;① <font color="#333333">用量杆直径为3mm的平面测头千分尺</font></td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;②<font color="#333333"> 用适于高精度小尺寸测量的带有刀口测头的座式杠杆千分尺</font></td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;③<font color="#333333"> 用光学计、万能测长仪、电感测微仪等仪器</font></td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;④<font color="#333333"> 用激光衍射法测量（直径＜＝0.1mm</font>)　　</td>        </tr>        <tr>            <td colspan="2" height="25">（2）测小孔</td>        </tr>        <tr>            <td colspan="2" height="25">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="28%"><font color="#333333">&nbsp;&nbsp;&nbsp;① 用万能工具显微镜<br />                        &nbsp;&nbsp;&nbsp;③<font color="#333333">&nbsp;</font><font color="#333333">用万能比较仪</font> <br />                        &nbsp;&nbsp;&nbsp;<font color="#333333">⑤ 用孔径测量仪</font> <br />                        &nbsp;&nbsp;&nbsp;⑦ 用准直孔径测量仪<br />                        </font></td>                        <td valign="top" width="72%">&nbsp;&nbsp;② <font color="#333333">用万能测长仪<br />                        &nbsp;&nbsp;④<font color="#333333">用小孔显微镜</font> <br />                        &nbsp;&nbsp;⑥用内径比长仪</font></td>                    </tr>                </tbody>            </table>            </td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/尺寸误差的测量.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=349</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=349&amp;key=02b594c8</trackback:ping></item><item><title>角度和锥度误差的检测 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测_4216.html</link><pubDate>Sat, 10 May 2008 18:16:49 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测_4216.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" colspan="2"><strong><font color="#1874cd" size="3">角度和锥度误差的检测</font></strong></td>        </tr>        <tr>            <td colspan="3" height="30"><font color="#cb3300"><strong>三、用样板、量规检验 </strong></font></td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="24"><font color="#ee7621"><strong>&nbsp;1、 角度样板：看透光</strong></font></td>        </tr>        <tr align="left">            <td valign="top" colspan="3">            <table cellspacing="0" cellpadding="0" width="65%" border="0">                <tbody>                    <tr>                        <td height="25">（1）测外角度的合格标准：</td>                    </tr>                    <tr>                        <td height="25">&nbsp;① 通端：光隙从角顶到角底逐渐增大</td>                    </tr>                    <tr>                        <td height="25">&nbsp;② 止端：光隙从角顶到角底逐渐减小</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3">            <table cellspacing="0" cellpadding="0" width="86%" border="0">                <tbody>                    <tr>                        <td><img src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/tu4-14.gif" alt="" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="46"><strong><font color="#ee7621">2、 锥度量规：</font></strong>（如下图）</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="8">（1）常用锥度量规工具：圆锥量规 ,莫氏量规</td>        </tr>        <tr align="left">            <td valign="top" colspan="3" height="16">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="48%"><img height="145" hspace="50" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-14.jpg" width="200" alt="" /></td>                        <td width="52%"><img height="145" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-13.jpg" width="254" alt="" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="17">            <table cellspacing="0" cellpadding="0" width="89%" border="0">                <tbody>                    <tr>                        <td><img src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/tu4-15.gif" alt="" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3">（2）合格性判断：</td>        </tr>        <tr align="left">            <td valign="top" colspan="3">            <table cellspacing="0" cellpadding="0" width="86%" border="0">                <tbody>                    <tr>                        <td>&nbsp;看刻线：工件圆锥端面位于量规基准端面上的间距为m的两刻线之间&rarr;合格</td>                    </tr>                    <tr>                        <td>&nbsp;看接触着色斑点：</td>                    </tr>                    <tr>                        <td>&nbsp;&middot;若工件或量规着色均匀&rarr;合格</td>                    </tr>                    <tr>                        <td>&nbsp;&middot;测内圆锥：① 若量规仅小端着色&rarr;锥角偏大； ② 若量规仅大端着色&rarr;锥角偏小</td>                    </tr>                    <tr>                        <td>&nbsp;&middot;测外圆锥：① 若工件仅小端着色&rarr;锥角偏小； ② 若工件仅大端着色&rarr;锥角偏大</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td>&nbsp;</td>            <td width="57%">&nbsp;</td>            <td width="33%">&nbsp;</td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测_4216.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=348</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=348&amp;key=a0b10420</trackback:ping></item><item><title>角度和锥度误差的检测   </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测_8132.html</link><pubDate>Sat, 10 May 2008 18:15:40 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测_8132.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" width="48%"><strong><font color="#1874cd" size="3">角度和锥度误差的检测</font></strong></td>            <td width="40%">&nbsp;</td>        </tr>        <tr>            <td colspan="3" height="30"><font color="#cb3300"><strong>二、 在仪器上测量</strong></font></td>        </tr>        <tr>            <td colspan="2" height="30">（1）光学测角仪（分光计）：主要测量角度块、多面棱体</td>            <td rowspan="8"><img src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-12.gif" alt="" /></td>        </tr>        <tr>            <td colspan="2" height="30">（2）圆分度台（圆转台)：主要测量圆分度误差</td>        </tr>        <tr>            <td colspan="2" height="30">（3）小角度测量仪包括：</td>        </tr>        <tr>            <td colspan="2" height="30">&nbsp;&nbsp;&nbsp;① 激光小角度测量仪</td>        </tr>        <tr>            <td colspan="2" height="30">&nbsp;&nbsp;&nbsp;② 小角度干涉仪</td>        </tr>        <tr>            <td colspan="2" height="30">&nbsp;&nbsp;&nbsp;③ 小角度检查仪</td>        </tr>        <tr>            <td colspan="2" height="30">　&nbsp;主要用于测量10&deg;以下，要求测量误差在1&Prime;～2&Prime;的角度</td>        </tr>        <tr>            <td colspan="2" height="30">（4）万能测长仪、工具显微镜、光学分度头</td>        </tr>    </tbody></table></p><p>&nbsp;</p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测_8132.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=347</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=347&amp;key=5840199f</trackback:ping></item><item><title>角度和锥度误差的检测 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测.html</link><pubDate>Fri, 09 May 2008 18:08:28 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" colspan="2"><strong><font color="#1874cd" size="3" onmouseout="MM_showHideLayers('Layer7','','hide')" onmouseover="MM_showHideLayers('Layer7','','show')">角度和锥度误差的检测</font></strong></td>        </tr>        <tr>            <td colspan="3" height="30"><font color="#cb3300"><strong>一、用通用量具测量 <script language="JavaScript" type="text/JavaScript">						function viewResume(str){						document.all.pic.innerHTML="<img src="+str[0]+" width=\"350\" border='0'>";					}							</script></strong></font></td>        </tr>        <tr>            <td colspan="3" height="30"><font color="#ee7621"><strong>1、 用万能角度尺测量：</strong></font><a onclick="expandIt('KB1'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_5_1.htm#"><strong><font color="#00a854">(如图)</font></strong></a><font color="#ee7621"> <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) return;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whāichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script><style type="text/css">.child {display:none}</style></font></td>        </tr>        <tr>            <td valign="top" colspan="3" height="16">            <table cellspacing="0" cellpadding="0" width="63%" border="0">                <tbody>                    <tr>                        <script language="JavaScript" type="text/javascript">					  var 万能角度尺一= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-1.jpg')				  </script>                        <td width="31%">                        <div style="cursor: hand" onclick="viewResume(万能角度尺一);"><strong><font color="#00a854">万能角度尺一</font></strong></div>                        </td>                        <script language="JavaScript" type="text/javascript">					  var 万能角度尺二= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-3.jpg')				  </script>                        <td width="29%">                        <div style="cursor: hand" onclick="viewResume(万能角度尺二);"><strong><font color="#00a854">万能角度尺二</font></strong></div>                        </td>                        <script language="JavaScript" type="text/javascript">					  var  组合角度尺= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-2.jpg')				  </script>                        <td width="40%">                        <div style="cursor: hand" onclick="viewResume(组合角度尺);"><strong><font color="#00a854">组合角度尺</font></strong></div>                        </td>                    </tr>                    <tr>                        <td id="pic" colspan="3">&nbsp;</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td>                        <div class="child" id="KB1Child" style="display: none">                        <table cellspacing="0" cellpadding="0" width="100%" border="0">                            <tbody>                                <tr valign="middle" align="center">                                    <td valign="top"><img height="557" alt="" width="500" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/tu4-11.gif" /></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（1）测量范围：0&deg;～320&deg;</font></td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（2）&nbsp;精度：&plusmn;1<strong>&prime;</strong></font></td>        </tr>        <tr>            <td colspan="3" height="30"><font color="#ee7621"><strong><br />            2、用90角尺测量：<a onclick="expandIt('KB2'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_5_1.htm#"><font color="#00a854">（如图）</font></a></strong></font></td>        </tr>        <tr>            <td colspan="3">            <div class="child" id="KB2Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="72%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td align="center"><font color="#00a854"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/tu4-12.gif" /></font></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB2Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>        </tr>        <tr>            <script language="JavaScript" type="text/JavaScript">						function viewResume1(str){						document.all.pict.innerHTML="<img src="+str[0]+" width=\"155\" border='0'>";					}							</script>            <td colspan="3" height="132">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="12%"><font color="#333333">（1）</font>类型：</td>                        <td width="30%" height="37">圆柱角尺</td>                        <td id="pict" rowspan="6"><img height="220" alt="" width="155" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-8.jpg" /></td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <script language="JavaScript" type="text/javascript">					  var 刀口矩形角尺= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-8.jpg')				  </script>                        <td width="30%" height="37">                        <div style="cursor: hand" onclick="viewResume1(刀口矩形角尺);"><strong><font color="#00a854">刀口矩形角尺</font></strong></div>                        </td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <script language="JavaScript" type="text/javascript">					  var 矩形角尺= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-5.jpg')				  </script>                        <td width="30%" height="37">                        <div style="cursor: hand" onclick="viewResume1(矩形角尺);"><strong><font color="#00a854">矩形角尺</font></strong></div>                        </td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <script language="JavaScript" type="text/javascript">					  var 三角形角尺= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-6.jpg')				  </script>                        <td width="30%" height="37">                        <div style="cursor: hand" onclick="viewResume1(三角形角尺);"><strong><font color="#00a854">三角形角尺</font></strong></div>                        </td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <script language="JavaScript" type="text/javascript">					  var 宽座角尺= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5.jpg')				  </script>                        <td width="30%" height="37">                        <div style="cursor: hand" onclick="viewResume1(宽座角尺);"><strong><font color="#00a854">宽座角尺</font></strong></div>                        </td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <script language="JavaScript" type="text/javascript">					  var 刀口角尺= new Array('http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-4.jpg')				  </script>                        <td width="30%" height="37">                        <div style="cursor: hand" onclick="viewResume1(刀口角尺);"><strong><font color="#00a854">刀口角尺</font></strong></div>                        </td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3" height="97">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="12%"><font color="#333333">（2）</font>精度：</td>                        <td width="82%">00级 &mdash;&mdash; 检验精度量具</td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <td>0 级 &mdash;&mdash; 检验精度量具</td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <td>1 级 &mdash;&mdash; 检验精度工件</td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <td>2 级 &mdash;&mdash; 检验一般工件</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3" height="125">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="12%"><font color="#333333">（3）</font>检测：</td>                        <td width="12%">&rarr;看透光</td>                        <td height="30">间隙＜0.5um&rarr;看不见透光</td>                        <td rowspan="4"><img height="126" alt="" width="169" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-9.jpg" /></td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <td width="12%">&nbsp;</td>                        <td height="30">间隙＞3um&rarr;看见白光</td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <td width="12%">&nbsp;</td>                        <td height="30">0.5um&le;间隙&le;3um&rarr;看见蓝光</td>                    </tr>                    <tr>                        <td width="12%">&nbsp;</td>                        <td width="12%">&rarr;用塞尺塞</td>                        <td height="30">&nbsp;</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（4）</font>应用：检验直角、垂直度、平行度</td>        </tr>        <tr>            <td colspan="3" height="30"><font color="#ee7621"><br />            <strong>3、用正弦规测量：</strong></font><a onclick="expandIt('KB3'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_5_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td colspan="3">            <table cellspacing="0" cellpadding="0" width="90%" border="0">                <tbody>                    <tr>                        <td>                        <div class="child" id="KB3Child" style="display: none">                        <table cellspacing="0" cellpadding="0" width="98%" border="0">                            <tbody>                                <tr valign="middle" align="center">                                    <td align="center"><strong><font color="#00a854"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/tu4-13.gif" /></font></strong></td>                                </tr>                            </tbody>                        </table>                        </div>                        <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB3Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3">            <table cellspacing="0" cellpadding="0" width="69%" border="0">                <tbody>                    <tr>                        <td align="right" width="45%"><strong><font color="#00a854"><img height="150" alt="" width="203" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-10.gif" /></font></strong></td>                        <td width="55%"><strong><font color="#00a854"><img height="150" alt="" hspace="20" width="164" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-5-11.jpg" /></font></strong></td>                    </tr>                    <tr>                        <td>　　　　磁性正弦规</td>                        <td>　　　正弦规组</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（1）</font>类型：宽型和窄型</td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（2）</font>精度：0级和1级</td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（3）</font>测量范围：0&deg;～80&deg;，&alpha;&le;30&deg;是精度较高，&alpha;&uarr;&rarr;精度&darr;</td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（4）</font>测量：正弦规 + 量块 + 百分表 &rarr; 相对法测量</td>        </tr>        <tr>            <td colspan="3">　　　垫入量块高度 h=Lsin&alpha;</td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（5）</font>测角度：按被测角&alpha;算量块高h ,打表</td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（6）</font>测锥度：按被测角&alpha;（孔为&alpha;/2）算量块高h ,打表</td>        </tr>        <tr align="left">            <td valign="top" colspan="3" height="42"><img height="42" alt="" hspace="35" width="298" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/others/gongshi4-5-1.jpg" /></td>        </tr>        <tr>            <td colspan="3"><font color="#333333">（7）</font>测量锥小头直径误差：</td>        </tr>        <tr>            <td colspan="3">　　 按工件锥角算垫入正弦规下的量块尺寸 h</td>        </tr>        <tr>            <td colspan="3">　　 选择标准圆柱半径 r</td>        </tr>        <tr>            <td colspan="2">　　 计算垫在标准圆柱下的量块尺寸H ：</td>            <td align="left" width="60%"><img height="40" alt="" width="214" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/others/gongshi4-5-2.jpg" /></td>        </tr>        <tr>            <td colspan="3">　　 装好工件，垫好量块</td>        </tr>        <tr>            <td colspan="3">　　 在工件和标准圆柱最高点打表，得读数差△，算出小头直径误差△d ：</td>        </tr>        <tr align="left">            <td colspan="3">            <table cellspacing="0" cellpadding="0" width="50%" border="0">                <tbody>                    <tr>                        <td align="right"><img height="61" alt="" width="86" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/others/gongshi4-5-3.jpg" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr align="left">            <td colspan="3">&nbsp;</td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/角度和锥度误差的检测.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=346</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=346&amp;key=67854eaa</trackback:ping></item><item><title>形状和位置误差的检验 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验_5871.html</link><pubDate>Fri, 09 May 2008 18:07:42 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验_5871.html</guid><description><![CDATA[<p><table height="100%" cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" width="809"><font color="#1874cd" size="3"><strong>形状和位置误差的检验</strong></font></td>        </tr>        <tr>            <td valign="top" colspan="4">            <table cellspacing="0" cellpadding="0" width="95%" border="0">                <tbody>                    <tr>                        <td valign="bottom" height="28"><strong><font color="#cb3300">三、形状和位置误差的检测原则</font></strong></td>                    </tr>                    <tr>                        <td>１、第一检测原则&hellip;与理想要素比较<br />                        ２、第二检测原则&hellip;测量坐标值<br />                        ３、第三检测原则&hellip;测量特征参数<br />                        ４、第四检测原则&hellip;测量跳动<br />                        ５、第五检测原则&hellip;控制理想边界</td>                    </tr>                </tbody>            </table>            </td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验_5871.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=345</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=345&amp;key=b79cdfc4</trackback:ping></item><item><title>形状和位置误差的检验  </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验_8421.html</link><pubDate>Fri, 09 May 2008 17:56:23 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验_8421.html</guid><description><![CDATA[<table cellspacing="0" cellpadding="0" width="100%" border="0">    <tbody>        <tr>            <td width="87%"><font color="#1874cd" size="3"><strong>形状和位置误差的检验</strong></font></td>        </tr>        <tr>            <td colspan="2" height="24"><font color="#cb3300"><strong>二、位置误差的检测</strong></font></td>        </tr>        <tr>            <td colspan="2"><script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) return;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script><style type="text/css">.child {display:none}</style></td>        </tr>        <tr>            <td colspan="2"><strong><font color="#ee7621">1、关键：</font></strong>模拟基准</td>        </tr>        <tr>            <td colspan="2">　 基准平面：用平板、平台</td>        </tr>        <tr>            <td colspan="2">　 基准轴线：孔&hellip;心轴（与孔无间隙配合）<br />            　　　　　　 轴&hellip;V形块<a onclick="expandIt('KB1'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB1Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="121" alt="" width="158" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/Vxingtie.jpg" /> 　　<img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/Vxingjia.jpg" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2"><strong><font color="#ee7621"><br />            2、评定：</font></strong>用定向、定位最小包容面 <a onclick="expandIt('KB2'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB2Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="166" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-24.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2"><strong><font color="#ee7621"><br />            3、位置误差的基准</font></strong></td>        </tr>        <tr>            <td colspan="2">(1) 单一基准：由一个要素建立的基准<br />            (2) 组合基准（公共基准）：由两个或两个以上要素建立一个独立的基准<br />            (3) 基准体系（三基面体系）：有三个相互垂直的平面构成一个基准体系 <a onclick="expandIt('KB3'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB3Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-25.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2"><strong><font color="#ee7621"><br />            ４、检测：</font></strong>直接与理想要素比较、测坐标、测特征参数、打表测跳动、用综合量规</td>        </tr>        <tr>            <td colspan="2"><strong>(1) 平行度的测量</strong></td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;① 给定一个方向<br />            &nbsp;&nbsp; a) 面对面<strong>：</strong> <a onclick="expandIt('KB4'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB4Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-26.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">　 &nbsp;&nbsp;&nbsp;基准平面与平板接触&rarr;在被侧面打表&rarr;&Delta;= 最大最小读数差</td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; b) 线对面： <a onclick="expandIt('KB5'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB5Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-27.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="64%">　 &nbsp;&nbsp;&nbsp;基准平面与平板接触&rarr;被测孔中插入心轴&rarr;两端打表读得M1、M2&rarr;</td>                        <td width="36%"><img height="42" alt="" width="140" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi1.png" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; c）面对线：<a onclick="expandIt('KB6'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB6Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-28.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">　 &nbsp;&nbsp;&nbsp;基准孔放入心轴&rarr;支撑起工件使L1 = L2 &rarr;在被侧面打表&rarr;&Delta;= 最大最小读数差</td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; d）线对线： <a onclick="expandIt('KB7'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB7Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-29%20.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="90%" border="0">                <tbody>                    <tr>                        <td width="76%">　 &nbsp;&nbsp;&nbsp;基准孔放入心轴并支撑水平&rarr;被测孔放入心轴&rarr;两端打表读得M1、M2&rarr;</td>                        <td width="24%"><img height="42" alt="" width="140" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi2.png" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;</td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;② 给定互相垂直的方向： <a onclick="expandIt('KB8'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB8Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-30%20.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">　 &nbsp;&nbsp;&nbsp;测出垂直方向的误差&rarr;工件转90&deg;&rarr;测出水平方向误差</td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;③ 任意方向： <a onclick="expandIt('KB9'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="90%" border="0">                <tbody>                    <tr>                        <td width="58%">　 &nbsp;&nbsp;&nbsp;按上述测出水平方向误差&Delta;∥和垂直方向误差&Delta;&perp;&rarr;</td>                        <td width="42%"><img height="42" alt="" width="140" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi3.png" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB9Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-31.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2"><strong>(2) 垂直度的测量</strong></td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;① 给定一个方向</td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; a）面对面： <a onclick="expandIt('KB10'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB10Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-32.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">　 &nbsp;&nbsp;&nbsp;基面与直角座接触并使被测面靠近基准的一侧读数差最小&rarr;在被侧面打表 &rarr;&Delta;= 最大最小读数差</td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; b）线对面： <a onclick="expandIt('KB11'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td>　 &nbsp;&nbsp;&nbsp;基面与平板接触&rarr;表座放直角座上&rarr;在相距L2两处打表，得读数M1、M2，对应处直径d1、d2&rarr;</td>                    </tr>                    <tr>                        <td><img height="35" alt="" hspace="200" width="180" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi4.png" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB11Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img alt="" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-33%20.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; c）面对线： <a onclick="expandIt('KB12'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">　 &nbsp;&nbsp;&nbsp;用导套模拟基准轴线&rarr;在被侧面打表&rarr;&Delta;= 最大最小读数差</td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB12Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="249" alt="" width="400" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-34.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; d）线对线：<a onclick="expandIt('KB13'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2" height="46">            <table height="42" cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td>　 &nbsp;&nbsp;&nbsp;基准孔、被测孔插入心轴&rarr;表座放在基准心轴上&rarr;在被测心轴上打表，转动基准心轴读得M1、M2&rarr;</td>                    </tr>                    <tr>                        <td><img height="42" alt="" hspace="200" width="140" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi5.png" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB13Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="233" alt="" width="500" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-35.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;② 给定互相垂直的两个方向： <a onclick="expandIt('KB14'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a>在给定的方向上测量</td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB14Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="249" alt="" width="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-36.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;③ 任意方向： <a onclick="expandIt('KB15'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB15Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="250" alt="" width="575" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-37.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp; a）同&ldquo;任意方向的平行度&rdquo;的处理方法<br />            &nbsp;&nbsp; b）在转台上测量：使工件低端与转台同轴&rarr;测若干截面内半径差&rarr;记录在同一坐标图上&rarr;图解求出误差值</td>        </tr>        <tr>            <td colspan="2"><strong>（3）倾斜度的测量：</strong><a onclick="expandIt('KB16'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB16Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="228" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-38.gif" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB16Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>        </tr>        <tr>            <td colspan="2">　 &nbsp;&nbsp;工件放在定角座或正弦规上&rarr;调整工件，使整个被测面的读数差最小&rarr;&Delta;= 最大最小读数差</td>        </tr>        <tr>            <td colspan="2">　 &nbsp;&nbsp;基准轴放在V形块上&rarr;被测槽中放入定位快&rarr;转工件，使定位块沿径向与平板平行&rarr;测M1处定位块一面到平板的距离，转180&deg;，测另一面，得两面到平板的距离差&Delta;1&rarr;同样，测M2处两面距离差&Delta;2&rarr;取&Delta;1、&Delta;2中较大者为a1，较小者为a2&rarr;　　　　</td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td><img height="37" alt="" hspace="200" width="140" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi6.png" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>    </tbody></table><p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2"><font color="#030303"><strong>(4)同轴度的测量：</strong></font><a onclick="expandIt('KB51'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB51Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%">　<img height="261" alt="" width="500" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-39.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;&nbsp;① 打表法<br />            　 基准轴放在V形块上&rarr;在被测轴铅垂面上下打2个表a、b,调0&rarr;纵向移动,取各处读数差的最大值｜Ma－Mb｜&rarr;转动工件，分测若干纵截面&rarr;取最大值<br />            &nbsp;&nbsp;② 用圆度仪、三坐标测量机<br />            &nbsp;&nbsp;③ 用同轴度量规</td>        </tr>        <tr>            <td colspan="2"><font color="#030303"><strong>(5) 对称度的测量：</strong></font><br />            &nbsp;&nbsp;① 槽的中心面对基准平面的对称度： <a onclick="expandIt('KB18'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB18Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="230" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-40.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2" height="25">　 测被测表面与平板之间的距离&rarr;工件翻转，测另一面与平板间的距离&rarr;取测量截面内对应测点的最大差值</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;② 槽的中心面对基准轴线的对称度： <a onclick="expandIt('KB19'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB19Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="235" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-41.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">　 基准轴放在V形块上&rarr;被测槽中放入定位快&rarr;转工件，使定位块沿径向与平板平行&rarr;测M1处定位块一面到平板的距离，转180&deg;，测另一面，得两面到平板的距离差&Delta;1&rarr;同样，测M2处两面距离差&Delta;2&rarr;取&Delta;1、&Delta;2中较大者为a1，较小者为a2　　　　</td>        </tr>        <tr>            <td colspan="2"><img height="37" alt="" hspace="200" width="140" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi6.png" /></td>        </tr>        <tr>            <td colspan="2" height="25"><strong><font color="#030303">(6)位置度的测量：</font></strong></td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;① 点的位置度： <a onclick="expandIt('KB20'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB20Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="284" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-42.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">　 用回转定心夹头模拟基准，钢球模拟被测点<br />            　 装入标准零件&rarr;放入钢球&rarr;指示表调0&rarr;换上被测件&rarr;转1周&rarr;取径向指示表最大</td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="90%" border="0">                <tbody>                    <tr>                        <td width="44%">　 差之半&Delta;x，轴向指示表最大读数差&Delta;y&rarr;</td>                        <td width="56%"><img height="37" alt="" width="140" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-6-2gongshi7.png" /></td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;② 线的位置度</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp; a) 坐标法： <a onclick="expandIt('KB21'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">(如图)</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB21Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="238" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-43.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2">　 按基准顺序调工件，使之际准与测量装置的坐标方向一致&rarr;被测孔放心轴&rarr;测出x1、x2、y1、y2&rarr;算出x、y&rarr;与正确尺寸比较，得&Delta;x、&Delta;y&rarr; &rarr;工件翻转&rarr;测另一面&rarr;取大者</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp; b) 综合量规法： <a onclick="expandIt('KB22'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB22Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="251" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-44.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2" height="25">　 基面接触，测量面能通过即合格，亦可用投影仪测出位置度误差</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;c）面的位置度： <a onclick="expandIt('KB23'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB23Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="279" alt="" width="600" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-45%20.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2" height="25">　 设专用测量支座&rarr;放标准零件&rarr;指示表调0&rarr;换被测件&rarr;调整使指示表读数差最小&rarr;取整个被测面上指示表最大读数的2倍即是。</td>        </tr>        <tr>            <td colspan="2" height="25"><strong><font color="#030303">(7)圆跳动的测量</font></strong></td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;① 径向圆跳动： <a onclick="expandIt('KB24'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">（如图）</a></td>        </tr>        <tr valign="top">            <td colspan="2" height="25">　 基准轴线用顶尖模拟&rarr;被测面上打表&rarr;取指示表最大读数差&rarr;测数个截面&rarr;取大者</td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB24Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td align="left"><img height="224" alt="" hspace="30" width="500" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-46.gif" /></td>                    </tr>                    <tr>                        <td><img height="180" alt="" hspace="100" width="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/pianbaijianchayi.jpg" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;② 端面圆跳动： <a onclick="expandIt('KB25'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">（如图）</a></td>        </tr>        <tr valign="top">            <td colspan="2" height="25">　 基准轴线用V形块支撑，轴向定位&rarr;被侧面打表，转1圈&rarr;取最大读数差&rarr;移动表位，再测&rarr;取数圈中的大者</td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB25Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="194" alt="" width="400" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-47.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;③ 斜向圆跳动： <a onclick="expandIt('KB26'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB26Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="265" alt="" width="400" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-48%20.gif" /></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td colspan="2" height="25">　 工件放导向套内，轴向定位&rarr;被测面上打表&rarr;取指示表最大读数差&rarr;测数个截面&rarr;取大者</td>        </tr>        <tr>            <td colspan="2" height="25"><strong><font color="#030303">(8)全跳动的测量</font></strong></td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;① 径向全跳动： <a onclick="expandIt('KB27'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_2_2.htm#">（如图）</a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB27Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="290" alt="" width="700" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-49%20.gif" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script></td>        </tr>        <tr>            <td colspan="2" height="25">　 工件基准轴放在两同轴的导向套内且轴向定位&rarr;调整套筒使与平板平行&rarr;被侧面打表&rarr;工件旋转、表移动同时进行&rarr;取最大读数差</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;② 端面全跳动：同面对线垂直度的测量</td>        </tr>    </tbody></table></p>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验_8421.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=344</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=344&amp;key=0e8c9b1e</trackback:ping></item><item><title>形状和位置误差的检验</title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验.html</link><pubDate>Fri, 09 May 2008 17:37:41 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验.html</guid><description><![CDATA[<table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>一、形状误差的检测</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">关键：理想要素的位置如何？</td>        </tr>        <tr>            <td colspan="2" height="25">国标规定：评定准则=最小条件,即：用最小包容区域的宽度或直径表示形状误差值</td>        </tr>        <tr>            <td colspan="2">            <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) return;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script>            <style type="text/css">.child {display:none}</style></td>        </tr>        <tr>            <td colspan="2" height="30"><font color="#ee7621"><strong>1、直线度：</strong></font></td>        </tr>        <!--        <tr valign="top">            <td height="29" colspan="2" align="center"><img src="../../images/4-17.gif" width="300" height="208" align="top"></td>        </tr>        -->        <tr>            <td colspan="2" height="25">(1) 最小条件：两高夹一低、两低夹一高</td>        </tr>        <tr>            <td colspan="2" height="25">(2) 测量方法：</td>        </tr>        <tr>            <td colspan="2" height="29">&nbsp;&nbsp;① 用刀口尺或平尺（测短的直线） <a onclick="expandIt('KB1'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a><br />            &nbsp;&nbsp; 找好最小条件位置&rarr;测出间隙大小（看透光或用塞尺）<a onclick="expandIt('KB3'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB1Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%" height="183"><strong><font color="#00a854"><img height="111" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/pinxingchi.jpg" width="214" alt="" /><img height="141" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/daokouzhichi.jpg" width="289" alt="" /><img height="182" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/sanlingjianyanpinchi.jpg" width="244" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <!--        <tr>            <td height="29" colspan="2"><img src="../../images/pinxingchi.jpg"><img src="../../images/daokouzhichi.jpg"><img src="../../images/sanlingjianyanpinchi.jpg"></td>        </tr>        -->        <tr>            <td colspan="2">            <div class="child" id="KB3Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="93%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><strong><font color="#00a854"><img height="208" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-17.gif" width="300" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB3Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="29">&nbsp;&nbsp;② 用节距法测量（测长的直线） <a onclick="expandIt('KB2'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB2Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td width="33%"><strong><font color="#00a854"><img height="326" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-18.gif" width="450" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB2Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="29">&nbsp;&nbsp;&nbsp;a) 量具：水平仪、自准直仪<a onclick="expandIt('KB4'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <!--        <tr>            <td height="29" colspan="2" align="center">            <p><img src="../../images/tiaoshishuipinyi.GIF" width="234" height="154"><img src="../../images/kuangshishuipinyi.jpg" width="182" height="133"></p>            <p><img src="../../images/zizhunzhiyia.png" width="500" height="213"></p>            </td>        </tr>        -->        <tr>            <td colspan="2">            <div class="child" id="KB4Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><strong><font color="#00a854"><img height="154" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/tiaoshishuipinyi.GIF" width="234" alt="" /><img height="146" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/kuangshishuipinyi.jpg" width="200" alt="" /></font></strong>                        <p>&nbsp;</p>                        <p><img height="213" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/zizhunzhiyia.png" width="500" alt="" /></p>                        </td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB4Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td align="left" colspan="2" height="25">&nbsp;&nbsp;&nbsp;b) 方法：将被测直线分段，逐段测量，一段序为横坐标，读数为纵坐标作图</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;c) 数据处理：</td>        </tr>        <tr>            <td colspan="2" height="25">　 近似：两端连线：误差f = a+b</td>        </tr>        <tr>            <td colspan="2" height="25">　 按最小条件从图上量取f</td>        </tr>        <tr>            <td colspan="2" height="25">　 计算：设两端点为M1、M2，中间点为M3</td>        </tr>        <tr>            <td valign="middle">　 误差<font size="+1">f</font>=</td>            <td valign="middle"><img height="38" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-6-1gongshi.png" width="241" alt="" /></td>        </tr>        <!--        <tr>            <td height="29" colspan="2" align="center"><img src="../../images/4-18.gif" width="450" height="326"></td>        </tr>        -->        <tr>            <td colspan="2" height="25">&nbsp;</td>        </tr>        <tr>            <td colspan="2" height="25"><font color="#ee7621"><strong>2、平面度：</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">(1) 最小条件：① 三角形准则：三高中间有一低（或三低中间有一高）</td>        </tr>        <tr>            <td colspan="2" height="25"><strong>　　 　　　　</strong>② 交叉准则：两高连线与两低连线交叉</td>        </tr>        <tr>            <td colspan="2" height="25"><strong>　　 　　　　</strong>③ 直线准则：同一截面两高夹一低或两低夹一高</td>        </tr>        <tr>            <td colspan="2" height="25">(2) 近似：最大最小读数差</td>        </tr>        <tr>            <td colspan="2" height="25">(3) 测量方法：① 平晶干涉法（看干涉光圈）&hellip;测小平面</td>        </tr>        <tr>            <td colspan="2" height="25"><strong>　　 　　　　</strong>② 测微表法<a onclick="expandIt('KB5'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a>：使工件对角线分别等高，在工件被测面上布点测量</td>        </tr>        <tr>            <td colspan="2" height="25">　　　　　　　③ 用水平仪、准直仪、平面干涉仪等仪器</td>        </tr>        <tr>            <td colspan="2" height="25">　　　　　　　④ 与标准平板对研，看接触斑点</td>        </tr>        <tr>            <td colspan="2" height="25">　　　　　　　⑤ 用平面度检查仪<a onclick="expandIt('KB6'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <!--        <tr>            <td height="220" colspan="2"><img src="../../images/4-19.gif">            <img src="../../images/pinmiandujianchayi.jpg" width="290" height="131"></td>        </tr>        -->        <tr>            <td colspan="2">            <div class="child" id="KB5Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><strong><font color="#00a854"><img height="216" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-19.gif" width="350" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB5Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB6Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="131" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/pinmiandujianchayi.jpg" width="290" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB6Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="29">&nbsp;</td>        </tr>        <tr>            <td colspan="2" height="25"><font color="#ee7621"><strong>3、圆度：</strong></font>圆度的测量 <a onclick="expandIt('KB7'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td colspan="2">            <div class="child" id="KB7Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><strong><font color="#00a854"><img height="318" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/4-20.gif" width="400" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB7Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="25">(1) 最小条件：至少有4个点内外交错在两个圆周上</td>        </tr>        <tr>            <td colspan="2" height="25">(2) 测量方法：</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;① 圆度仪测量：按最小条件评定 <a onclick="expandIt('KB8'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td valign="top" colspan="2">            <div class="child" id="KB8Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><strong><font color="#00a854"><img height="184" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/yuanduyi%20.JPG" width="290" alt="" /></font></strong>　　　<img height="214" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-6/yuanduyi2.jpg" width="323" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB8Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;② 近似测量法：</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;a) 两点法&hellip;量直径，取（最大－最小）&divide; 2 (偶数棱园)</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;b) 三点法&hellip;打表量半径，取（最大－最小）&divide; 2（奇数棱圆）</td>        </tr>        <tr>            <td colspan="2" height="25"><font color="#ee7621"><strong>4、圆柱度：</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">(1)最小条件：同圆度和直线度</td>        </tr>        <tr>            <td colspan="2" height="25">(2)测量方法：</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;① 用圆柱度仪测量</td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;② 用近似测量法测量 <a onclick="expandIt('KB9'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a>:取全长各截面所有读数中的（最大－最小）&divide; 2</td>        </tr>        <tr>            <td valign="top" colspan="2">            <div class="child" id="KB9Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><img height="223" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-21.gif" width="389" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB9Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;</td>        </tr>        <tr>            <td colspan="2" height="25"><strong><font color="#ee7621">5、线轮廓度、面轮廓度</font></strong>：测量 <a onclick="expandIt('KB10'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td colspan="2" height="25">(1 )用样板+看光隙评定</td>        </tr>        <tr>            <td colspan="2" height="25">(2) 用投影仪、坐标测量装置测量</td>        </tr>        <tr>            <td colspan="2" height="25">(3) 用形状测量仪<a onclick="expandIt('KB11'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_6_1.htm#"><strong><font color="#00a854">（如图）</font></strong></a></td>        </tr>        <tr>            <td valign="top" colspan="2">            <div class="child" id="KB10Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><strong><font color="#00a854"><img src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-22.gif" alt="" /><img src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/4-23.gif" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB10Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td valign="top" colspan="2">            <div class="child" id="KB11Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr valign="middle" align="center">                        <td valign="top" width="33%"><strong><font color="#00a854"><img src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/xingzhuangjianchayi.jpg" alt="" /></font></strong></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB11Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="29">&nbsp;</td>        </tr>    </tbody></table>]]></description><category>检测技术</category><comments>http://www.tesa17.cn/BLOG/post/形状和位置误差的检验.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=343</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=343&amp;key=5153c49e</trackback:ping></item><item><title>普通螺纹的几何参数与精度 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/普通螺纹的几何参数与精度.html</link><pubDate>Fri, 09 May 2008 17:32:28 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/普通螺纹的几何参数与精度.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>普通螺纹的几何参数与精度</strong></font></td>        </tr>        <tr>            <td colspan="2" height="27"><font color="#ee7621"><strong>1、主要几何参数</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">(1) 大径D，d、中径<span lang="EN-US">D<sub>2</sub></span>，<span lang="EN-US">d<sub>2</sub></span>、小径<span lang="EN-US">D<sub>1</sub></span>，<span lang="EN-US">d<sub>1</sub></span></td>        </tr>        <tr>            <td valign="bottom" align="left" colspan="2" height="25">(2) 螺距P和导程L</td>        </tr>        <tr>            <td valign="bottom" align="left" colspan="2" height="25">(3) 牙形角&alpha;和牙形半角&alpha;/2</td>        </tr>        <tr>            <td valign="bottom" align="left" colspan="2" height="25">(4) 单一中径：牙形上沟槽宽度=P/2处的直径，代替实际中径<span lang="EN-US">d<sub>2a</sub></span> 、<span lang="EN-US">D<sub>2a</sub></span></td>        </tr>        <tr>            <td valign="bottom" align="left" colspan="2" height="25">(5) 作用中径<span lang="EN-US">d<sub>2m</sub></span>、<span lang="EN-US">D<sub>2m</sub></span>：为使有误差的螺纹能够旋合而假想增大（外）或减小（内）了的中径</td>        </tr>        <tr>            <td valign="bottom" align="left" colspan="2" height="25">&nbsp; ① 外螺纹：<span lang="EN-US">d<sub>2m</sub></span>=<span lang="EN-US">d<sub>2a</sub></span> + (<span lang="EN-US">f<sub>p</sub></span>+<span lang="EN-US">f<sub>&alpha;/2</sub></span>)&nbsp;</td>        </tr>        <tr>            <td valign="bottom" align="left" colspan="2" height="25">&nbsp; ② 内螺纹：<span lang="EN-US">D<sub>2m</sub></span>=<span lang="EN-US">D<sub>2a</sub></span>－(<span lang="EN-US">f<sub>p</sub></span>+<span lang="EN-US">f<sub>&alpha;/2</sub></span>)&nbsp;</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">&nbsp;</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25"><font color="#ee7621"><strong>2、 螺纹公差项目与合格原则</strong></font></td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">(1)普通紧固螺纹</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">&nbsp;&nbsp;① 公差项目</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="26">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;外螺纹：中径公差和大径公差 &nbsp;&nbsp;&nbsp;</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;内螺纹：中径公差和小径公差</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">&nbsp;&nbsp;② 合格原则</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;外螺纹：<span lang="EN-US">d<sub>2m</sub></span>≯<span lang="EN-US">d<sub>2max</sub></span>，任意位置<span lang="EN-US">d<sub>2a</sub></span>≮<span lang="EN-US">d<sub>2min</sub></span></td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="26">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;内螺纹：<span lang="EN-US">D<sub>2m</sub></span>≮<span lang="EN-US">D<sub>2min</sub></span>，任意位置<span lang="EN-US">D<sub>2m</sub></span>≯<span lang="EN-US">D<sub>2max</sub></span></td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="26">(2)传动螺纹：</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="26">&nbsp;&nbsp;① 大、中、小径的极限偏差</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="26">&nbsp;&nbsp;② 螺距公差</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="26">&nbsp;&nbsp;③ 牙形半角的极限偏差</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">&nbsp;&nbsp;④ 螺旋线轴向公差</td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">&nbsp;&nbsp;⑤ 中径一致性公差</td>        </tr>    </tbody></table></p>]]></description><category>塞规环规</category><comments>http://www.tesa17.cn/BLOG/post/普通螺纹的几何参数与精度.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=342</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=342&amp;key=d6062920</trackback:ping></item><item><title>螺纹的检测方法 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/螺纹的检测方法.html</link><pubDate>Fri, 09 May 2008 17:30:59 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/螺纹的检测方法.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" colspan="3" height="30"><font color="#cb3300"><strong>螺纹的检测方法</strong></font></td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="31"><font color="#ee7621"><strong>1、综合检测：</strong></font></td>        </tr>        <tr>            <td valign="top" colspan="3">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td valign="top" width="62%"><br />                        　外螺纹大径、内螺纹小径&rarr;用光滑极限量规<br />                        <br />                        &nbsp; 其它参数&rarr;螺纹环规、螺纹塞规                        <p>&nbsp; 螺纹量规: 工作量规&rarr;直接检验工件&nbsp; <br />                        <br />                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;验收量规&rarr;用户代表或工厂检验人员验收产品 <br />                        <br />                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;校对量规&rarr;检验工作量规的制造精度和磨损情况</p>                        </td>                        <td width="38%"><img height="165" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/luowenlianggui.jpg" width="318" alt="" /></td>                    </tr>                </tbody>            </table>            <div align="right">&nbsp;</div>            </td>        </tr>        <tr>            <td valign="bottom" align="right" width="34%" height="25"><img height="160" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/guanghuasaigui.jpg" width="240" alt="" /></td>            <td valign="bottom" align="right" width="33%"><img height="160" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/chuizhiluowensaigui.jpg" width="240" alt="" /></td>            <td valign="bottom" align="right" width="33%" height="25"><img height="160" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/Tluowensaigui.jpg" width="240" alt="" /></td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="45"><font color="#ee7621"><strong>2、单项检测：</strong></font></td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25"><strong>（1）圆柱外螺纹</strong></td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;①大径测量：用通用量具量仪</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;②中径测量：</td>        </tr>        <tr>            <td colspan="3" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)用螺纹千分尺（精度较低）</td>        </tr>        <tr>            <td colspan="3" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)三针法测量</td>        </tr>        <tr>            <td colspan="3" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c)在平板上用单球法测量（中径较大时）</td>        </tr>        <tr>            <td colspan="3" height="28">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d 用万能工具显微镜测量</td>        </tr>        <tr>            <td valign="top" colspan="3" height="57"><img height="57" hspace="15" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/3/kh.gif" width="319" alt="" /></td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25"><strong>（2）圆柱内螺纹&nbsp;</strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;① 小径测量：用万能工具显微镜测量、用内径千分尺（精度不高时）</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;② 中径测量：</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)在卧式测长仪用双球法或单球法测量</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)在平板上用单球法测量（中径较大时）</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c)在万能工具显微镜测量上用光截法测量</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;③ 螺距测量：用T4000粗糙度测量仪、万能工具显微镜测量&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">&nbsp;&nbsp;&nbsp;④ 牙形半角测量：用T4000粗糙度测量仪、正弦规测量</td>        </tr>    </tbody></table></p>]]></description><category>塞规环规</category><comments>http://www.tesa17.cn/BLOG/post/螺纹的检测方法.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=341</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=341&amp;key=999970f9</trackback:ping></item><item><title>齿轮的公差项目和检验组 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/齿轮的公差项目和检验组.html</link><pubDate>Fri, 09 May 2008 17:27:54 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/齿轮的公差项目和检验组.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" colspan="2" height="25"><font color="#cb3300"><strong>齿轮的公差项目和检验组</strong></font></td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="23"><strong><font color="#ee7621">1、 齿轮公差项目：GB10095-1988</font></strong></td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="3%">&nbsp;</td>                        <td align="center" width="97%" height="30"><strong>齿轮公差组 </strong></td>                    </tr>                    <tr>                        <td>&nbsp;</td>                        <td>                        <table bordercolor="#1874cd" height="435" cellspacing="1" cellpadding="0" width="699" border="2">                            <tbody>                                <tr>                                    <td width="50" bgcolor="#ffffff" height="25">公差组</td>                                    <td width="188" bgcolor="#ffffff">公差与极限偏差项目</td>                                    <td width="121" bgcolor="#ffffff">                                    <div align="center">对传动性能<br />                                    的主要影响</div>                                    </td>                                    <td bgcolor="#ffffff" colspan="2">                                    <div align="center">误差特性</div>                                    </td>                                </tr>                                <tr>                                    <td valign="middle" rowspan="5">                                    <div align="center">I</div>                                    </td>                                    <td height="25">齿圈径向跳动公差<span lang="EN-US">F<sub>r</sub></span></td>                                    <td valign="middle" align="center" rowspan="5">传递运动的准确性</td>                                    <td width="125" rowspan="2">                                    <div align="center">径向单项指标</div>                                    </td>                                    <td valign="middle" width="195" rowspan="5">以齿轮转1 转为周期的误差</td>                                </tr>                                <tr>                                    <td height="25">径向综合公差<span lang="EN-US">F<sub>i</sub></span>＂</td>                                </tr>                                <tr>                                    <td height="25">公法线长度变动公差<span lang="EN-US">F<sub>w</sub></span></td>                                    <td>                                    <div align="center">切向单项指标</div>                                    </td>                                </tr>                                <tr>                                    <td height="25">切向综合公差<span lang="EN-US">F<sub>i</sub></span>＇</td>                                    <td rowspan="2">                                    <div align="center">综合指标</div>                                    </td>                                </tr>                                <tr>                                    <td valign="middle" height="43">齿距累积公差<span lang="EN-US">F<sub>p</sub></span><br />                                    k个齿距累计公差<span lang="EN-US">F<sub>pk</sub></span></td>                                </tr>                                <tr>                                    <td valign="middle" align="center" rowspan="6">Ⅱ</td>                                    <td height="25">基节极限偏差&plusmn;<span lang="EN-US">f<sub>pb</sub></span></td>                                    <td valign="top" rowspan="6">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;                                    <div align="center"><br />                                    <br />                                    传动的平稳性、<br />                                    <br />                                    噪声、 振动</div>                                    </td>                                    <td rowspan="4">                                    <div align="center">单项指标</div>                                    </td>                                    <td rowspan="6">在齿轮1周内多次周期重复出现的误差</td>                                </tr>                                <tr>                                    <td height="25">齿形公差<span lang="EN-US">f<sub>f</sub></span></td>                                </tr>                                <tr>                                    <td height="25">齿距极限偏差&plusmn;<span lang="EN-US">f<sub>pt</sub></span></td>                                </tr>                                <tr>                                    <td height="25">螺旋线波度公差<span lang="EN-US">f<sub>f&beta;</sub></span>(斜齿轮)</td>                                </tr>                                <tr>                                    <td height="25">1个齿径向综合公差<span lang="EN-US">f<sub>i</sub></span>＂</td>                                    <td rowspan="2">                                    <div align="center">综合指标</div>                                    </td>                                </tr>                                <tr>                                    <td height="25">1个齿切向综合公差<span lang="EN-US">f<sub>i</sub></span>＇</td>                                </tr>                                <tr>                                    <td valign="middle" align="center" rowspan="3">Ⅲ</td>                                    <td height="25">齿向公差<span lang="EN-US">F<sub>&beta;</sub></span></td>                                    <td rowspan="3">                                    <div align="center">载荷分布的均匀性</div>                                    </td>                                    <td rowspan="2">                                    <div align="center">单项指标</div>                                    </td>                                    <td rowspan="3">齿向线的误差</td>                                </tr>                                <tr>                                    <td height="25">轴向齿距公差<span lang="EN-US">F<sub>px</sub></span>(斜齿轮)</td>                                </tr>                                <tr>                                    <td height="42">接触线公差<span lang="EN-US">F<sub>b</sub></span></td>                                    <td>                                    <div align="center"><span lang="EN-US">F<sub>b</sub></span>&asymp;<span lang="EN-US">F<sub>&beta;</sub></span>+<span lang="EN-US">f<sub>f</sub></span></div>                                    </td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="53"><font color="#ee7621"><strong>2、 检验组</strong></font></td>        </tr>        <tr valign="bottom">            <td colspan="2">            <div align="center"><strong>检验组及测量条件 </strong></div>            <div align="left">&nbsp;</div>            </td>        </tr>        <tr>            <td height="10">&nbsp;</td>        </tr>        <tr>            <td colspan="2">            <table bordercolor="#1874cd" height="330" cellspacing="2" cellpadding="0" width="700" align="center" border="2">                <tbody>                    <tr>                        <td valign="top" align="center" width="55" rowspan="2">检<br />                        验<br />                        组</td>                        <td colspan="3" height="25">                        <div align="center">公差组</div>                        </td>                        <td width="63" rowspan="2">                        <div align="center">适用等级</div>                        </td>                        <td width="304" rowspan="2">                        <div align="center">测量条件</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">I</div>                        </td>                        <td height="25">                        <div align="center">Ⅱ</div>                        </td>                        <td height="25">                        <div align="center">Ⅲ</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">1</div>                        </td>                        <td width="77">                        <div align="center"><span lang="EN-US">F<sub>i</sub></span>＇</div>                        </td>                        <td width="89">                        <div align="center"><span lang="EN-US">F<sub>i</sub></span>＇</div>                        </td>                        <td width="89">                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">3～6</div>                        </td>                        <td>万能齿轮测量机、齿向仪</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">2</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>i</sub></span>＇</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>i</sub></span>＇</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">5～8</div>                        </td>                        <td>整体误差测量仪（便于工艺分析）</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">3</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>i</sub></span>＇</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>i</sub></span>＇</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">5～8</div>                        </td>                        <td>单啮仪、齿向仪（适于大批量生产）</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">4</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>p</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>pt</sub></span>、<span lang="EN-US">f<sub>f</sub></span>、<span lang="EN-US">f<sub>f&beta;</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>b</sub></span>、<span lang="EN-US">F<sub>px</sub></span></div>                        </td>                        <td>                        <div align="center">3～6</div>                        </td>                        <td>齿距仪、齿形仪、波度仪、轴向齿距仪</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">5</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>i</sub></span>＂、 <span lang="EN-US">F<sub>w</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>i</sub></span>＂</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">6～9</div>                        </td>                        <td>双啮仪、齿向仪、公法线千分尺</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">6</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>p</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>f</sub></span>、<span lang="EN-US">f<sub>pt</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">3～7</div>                        </td>                        <td rowspan="2">齿距仪、齿向仪、齿形仪</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">7</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>p</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>f</sub></span>、<span lang="EN-US">f<sub>pb</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">3～7</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">8</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>p</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>pt</sub></span>、<span lang="EN-US">f<sub>pb</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">7～9</div>                        </td>                        <td>齿距仪、齿向仪、基节仪</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">9</div>                        </td>                        <td>                        <div align="center">Fw、 Fr</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>f</sub></span>、<span lang="EN-US">f<sub>pb</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">5～7</div>                        </td>                        <td rowspan="2">跳动仪、齿形仪、公法线千分尺、基节仪、齿向仪</td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">10</div>                        </td>                        <td>                        <div align="center">Fw、 Fr</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>pt</sub></span>、<span lang="EN-US">f<sub>pb</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">7～9</div>                        </td>                    </tr>                    <tr>                        <td height="30">                        <div align="center">11</div>                        </td>                        <td>                        <div align="center">Fr</div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">f<sub>pt</sub></span></div>                        </td>                        <td>                        <div align="center"><span lang="EN-US">F<sub>&beta;</sub></span></div>                        </td>                        <td>                        <div align="center">10～12</div>                        </td>                        <td>跳动仪、齿距仪、齿向仪</td>                    </tr>                </tbody>            </table>            </td>        </tr>    </tbody></table></p>]]></description><category>齿轮测量仪</category><comments>http://www.tesa17.cn/BLOG/post/齿轮的公差项目和检验组.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=340</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=340&amp;key=e6fa2a6a</trackback:ping></item><item><title>齿轮各误差项目的测量 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/齿轮各误差项目的测量.html</link><pubDate>Fri, 09 May 2008 17:23:34 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/齿轮各误差项目的测量.html</guid><description><![CDATA[<p><table height="594" cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2" height="30"><font color="#cb3300"><strong>齿轮各误差项目的测量</strong></font></td>        </tr>        <tr>            <td colspan="2" height="30"><font color="#ee7621"><strong>1、 齿圈径向跳动误差的测量：</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">            <div align="center"><strong>检查齿圈径向跳动常用仪器</strong></div>            </td>        </tr>        <tr>            <td colspan="2">            <table bordercolor="#1874cd" height="157" cellspacing="2" cellpadding="0" width="655" align="center" border="2">                <tbody>                    <tr>                        <td width="52" height="30">                        <div align="center">序号</div>                        </td>                        <td width="127">                        <div align="center">型号、名称</div>                        </td>                        <td width="222">                        <div align="center">规 格</div>                        </td>                        <td width="279">                        <div align="center">说 明</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">1</div>                        </td>                        <td>                        <div align="center">齿轮跳动检查仪</div>                        </td>                        <td>                        <div align="center">m=0.3～2mm ；<span lang="EN-US">d<sub>max</sub></span>=150mm</div>                        </td>                        <td valign="middle" rowspan="2">                        <div align="left">用于检测6级下圆柱、圆锥齿轮及蜗轮的径跳和端跳，用锥形测头</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">2</div>                        </td>                        <td>                        <div align="center">齿轮跳动检查仪</div>                        </td>                        <td>                        <div align="center">m=1～6mm ；<span lang="EN-US">d<sub>max</sub></span>=300mm</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">3</div>                        </td>                        <td>                        <div align="center">万能测齿仪</div>                        </td>                        <td>                        <div align="center">m=0.5～10mm ；<span lang="EN-US">d<sub>max</sub></span>=360mm</div>                        </td>                        <td valign="middle">                        <div align="left">检测6级以下齿轮及蜗轮的径跳，用球形测头</div>                        </td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2">&nbsp;</td>        </tr>        <tr>            <td align="right" width="380" height="206">            <div align="center"><img height="206" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/chilunjxtdjcy.gif" width="270" alt="" /><br />            齿轮径向跳动检查仪<br />            &nbsp;</div>            </td>            <td valign="top" width="316"><img height="206" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/wnchechiy.gif" width="119" alt="" /><br />            　　万能测齿仪</td>        </tr>    </tbody></table><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="2" height="30"><font color="#ee7621"><strong>2、齿距误差的测量</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">            <div align="center"><strong>测量齿距常用测量仪器</strong></div>            </td>        </tr>        <tr>            <td colspan="2">            <table bordercolor="#1874cd" cellspacing="1" cellpadding="0" width="95%" align="center" border="2">                <tbody>                    <tr>                        <td width="5%" height="29">                        <div align="center">序号</div>                        </td>                        <td width="20%">                        <div align="center">型号、名称</div>                        </td>                        <td width="24%">                        <div align="center">主要技术指标</div>                        </td>                        <td width="51%">                        <div align="center">特点</div>                        </td>                    </tr>                    <tr>                        <td height="29">                        <div align="center">1</div>                        </td>                        <td>                        <div align="center">上置式齿距仪</div>                        </td>                        <td>m=4～20mm ；<span lang="EN-US">d<sub>max</sub></span>=450mm</td>                        <td>相对法测量，机械、上置式</td>                    </tr>                    <tr>                        <td height="35">                        <div align="center">2</div>                        </td>                        <td>                        <div align="center">万能测距仪</div>                        </td>                        <td>m=1～10mm ；<span lang="EN-US">d<sub>max</sub></span>=320mm<br />                        读数值：0.001mm</td>                        <td>相对法手动测量&Delta;<span lang="EN-US">f<sub>pt</sub></span>、&Delta;<span lang="EN-US">F<sub>p</sub></span>，还可测&Delta;<span lang="EN-US">F<sub>w</sub></span>、<br />                        &Delta;<span lang="EN-US">F<sub>r</sub></span>和&Delta;<span lang="EN-US">f<sub>pb</sub></span></td>                    </tr>                    <tr>                        <td height="36">                        <div align="center">3</div>                        </td>                        <td valign="middle" align="left">                        <div align="left">ZJY-2型半自动齿距仪</div>                        </td>                        <td>m=1～10mm ；<span lang="EN-US">d<sub>max</sub></span>=320mm<br />                        放大倍数：约10000倍</td>                        <td>相对法手动测量,功能同万能测齿仪，能自动分齿和记录</td>                    </tr>                    <tr>                        <td height="39">                        <div align="center">4</div>                        </td>                        <td>ZJY-3D型带微型计算机的齿距仪</td>                        <td>同ZJY-2型</td>                        <td>在ZJY-2型基础上，用微型计算机控制测量过程并进行数据处理，配有打印机和小型记录器</td>                    </tr>                    <tr>                        <td height="85">                        <div align="center">5</div>                        </td>                        <td>3480型上置式自动齿距仪</td>                        <td>m=1～40mm ；<span lang="EN-US">d<sub>max</sub></span>不限测量大型齿轮齿距误差</td>                        <td>①相对测量，两个传感器测头<br />                        ②计算机控制测量过程、处理数据，自动记录误差曲线、打印误差数值<br />                        ③安装于齿轮加工机床或其它齿轮测量仪器上，对齿轮进行旁置式测量</td>                    </tr>                    <tr>                        <td height="37">                        <div align="center">6</div>                        </td>                        <td>3406型自动齿距测量仪</td>                        <td>m=1～20mm ；<br />                        <span lang="EN-US">d<sub>max</sub></span>=20～630mm</td>                        <td>①为座式仪器，齿轮连续回转进行测量<br />                        ②用&ldquo;3480&rdquo;作为测量头，故特点同上</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="63"><font color="#ee7621"><strong><br />            3、基节偏差的测量：</strong></font></td>        </tr>        <tr>            <td colspan="2" height="25">            <div align="center"><strong>测量基节常用测量仪器</strong></div>            </td>        </tr>        <tr>            <td valign="top" colspan="2">            <div align="center">            <table bordercolor="#1874cd" cellspacing="2" cellpadding="0" align="center" border="2">                <tbody>                    <tr>                        <td width="83" height="25">                        <div align="center">序号</div>                        </td>                        <td width="181">                        <div align="center">型号、名称</div>                        </td>                        <td width="252">                        <div align="center">规格</div>                        </td>                        <td width="174">                        <div align="center">特点</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">1</div>                        </td>                        <td>                        <div align="center">万能测齿仪</div>                        </td>                        <td>                        <div align="center">m=1～10mm</div>                        </td>                        <td>                        <div align="center">手动测量</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">2</div>                        </td>                        <td>                        <div align="center">基节检查仪</div>                        </td>                        <td>                        <div align="center">m=1～16mm</div>                        </td>                        <td>                        <div align="center">机械上置式</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">3</div>                        </td>                        <td>                        <div align="center">HYQ004A型基节测量仪</div>                        </td>                        <td>                        <div align="center">m=1～5mm, m=1～12mm,</div>                        </td>                        <td>                        <div align="center">可测4级以下齿轮</div>                        </td>                    </tr>                    <tr>                        <td height="25">                        <div align="center">4</div>                        </td>                        <td>                        <div align="center">大型及万能工具显微镜</div>                        </td>                        <td>                        <div align="center">m&le;2mm</div>                        </td>                        <td>                        <div align="center">&nbsp;</div>                        </td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td align="right" width="41%">            <p><img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/zhoujiejcy.jpg" width="252" alt="" /></p>            <p>周节检查仪&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>            </td>            <td align="center" width="59%">            <p><img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/jijiejcy.jpg" width="202" alt="" /></p>            <p>&nbsp;&nbsp;&nbsp;&nbsp;基节检查仪&nbsp;&nbsp;&nbsp;&nbsp;</p>            </td>        </tr>    </tbody></table></p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td colspan="3" height="30"><font color="#ee7621"><strong>4、 齿形误差的测量：</strong></font></td>        </tr>        <tr>            <td colspan="3" height="25">            <div align="center"><strong>测量齿形常用测量仪器</strong></div>            </td>        </tr>        <tr>            <td colspan="3" height="16">            <div align="center">            <table bordercolor="#1874cd" height="336" cellspacing="2" cellpadding="0" width="690" border="2">                <tbody>                    <tr>                        <td width="41" height="25">                        <div align="center">序号</div>                        </td>                        <td width="113">                        <div align="center">型号、名称</div>                        </td>                        <td width="173">                        <div align="center">主要技术指标</div>                        </td>                        <td width="346">                        <div align="center">特 点</div>                        </td>                    </tr>                    <tr>                        <td height="38">                        <div align="center">1</div>                        </td>                        <td valign="top">                        <div align="left">3202型单盘式<br />                        渐开线检查仪</div>                        </td>                        <td valign="top">                        <div align="left">m=1～16㎜<br />                        <span lang="EN-US">d<sub>max</sub></span>&le;320mm</div>                        </td>                        <td valign="top">                        <div align="left">用小型扭簧比较仪读数或用电感记录仪记录误差曲线</div>                        </td>                    </tr>                    <tr>                        <td height="38">                        <div align="center">2</div>                        </td>                        <td valign="top">                        <div align="left">3201型万能<br />                        渐开线检查仪</div>                        </td>                        <td valign="top">                        <div align="left">m=1～10㎜<br />                        <span lang="EN-US">d<sub>max</sub></span>=0～400mm</div>                        </td>                        <td valign="top">                        <div align="left">① 圆盘杠杆式<br />                        ② 可测量直齿轮齿向误差</div>                        </td>                    </tr>                    <tr>                        <td height="68">                        <div align="center">3</div>                        </td>                        <td valign="top">                        <div align="left">3204型齿形齿向测量仪</div>                        </td>                        <td valign="top">                        <div align="left">m=1～10㎜<br />                        <span lang="EN-US">d<sub>max</sub></span>&lt;400mm<br />                        &beta;=&plusmn;50&deg;<br />                        基圆盘分级可调式<br />                        &nbsp;</div>                        </td>                        <td valign="top">                        <div align="left">                        <p>① 带有13个基圆盘，每个可在&plusmn;0.1<span lang="EN-US">d<sub>b</sub></span>范围内作任意调整，满足全部规格的齿轮测量<br />                        ② 电感记录仪记录误差曲线</p>                        </div>                        </td>                    </tr>                    <tr>                        <td height="49">                        <div align="center">4</div>                        </td>                        <td valign="top">                        <div align="left">上置式齿形仪</div>                        </td>                        <td valign="top">                        <div align="left">m=4～20㎜<br />                        <span lang="EN-US">d<sub>min</sub></span>=170mm</div>                        </td>                        <td valign="top">                        <div align="left">① 直角坐标法<br />                        ② 机械式仪器<br />                        ③ 卧轴大齿轮齿形的上置式测量</div>                        </td>                    </tr>                    <tr>                        <td height="49">                        <div align="center">5</div>                        </td>                        <td valign="top">                        <div align="left">CJ-60齿轮测量机</div>                        </td>                        <td valign="top">                        <div align="left">m=1～15㎜； <span lang="EN-US">d<sub>max</sub></span>&lt;450mm<br />                        &beta;=0&deg;&plusmn;60&deg;<br />                        可测精度：4级</div>                        </td>                        <td valign="top">                        <div align="left">① 万能式：圆盘杠杆原理<br />                        ② 可测&Delta;<span lang="EN-US">f<sub>f</sub></span>、&Delta;<span lang="EN-US">F<sub>&beta;</sub></span>、&Delta;<span lang="EN-US">f<sub>pt</sub></span>、、&Delta;<span lang="EN-US">F<sub>p</sub></span>、&Delta;<span lang="EN-US">F<sub>r</sub></span></div>                        </td>                    </tr>                    <tr>                        <td height="52">                        <div align="center">6</div>                        </td>                        <td valign="top" align="center">                        <div align="left">小模数齿轮万能渐开线检查仪</div>                        </td>                        <td valign="top">                        <div align="left">m=0.2～1㎜；<br />                        <span lang="EN-US">d<sub>max</sub></span>=112mm<br />                        心轴长度=125mm</div>                        </td>                        <td valign="top">                        <div align="left">① 圆盘正弦尺式<br />                        ② 电器记录</div>                        </td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="57"><strong><font color="#ee7621">5、 齿向误差的测量：</font></strong></td>        </tr>        <tr>            <td width="377" height="87" rowspan="5">            <div align="right"><font color="#000000">凡具有顶尖架及轴向移动装置的仪器均可</font></div>            </td>            <td valign="bottom" width="16" rowspan="5"><img height="87" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/kuohao2.gif" width="16" vspace="5" alt="" /></td>            <td width="486" height="18"><font color="#000000">径向跳动仪</font></td>        </tr>        <tr>            <td height="17">光学分度头</td>        </tr>        <tr>            <td height="18">万能工具显微镜</td>        </tr>        <tr>            <td height="16">齿形齿向测量仪</td>        </tr>        <tr>            <td height="28">螺旋线检查仪</td>        </tr>        <tr align="center">            <td valign="bottom" colspan="3" height="25"><strong>3301型螺旋线检查仪的性能和特点</strong></td>        </tr>        <tr>            <td valign="bottom" colspan="3" height="25">            <div align="center">            <table bordercolor="#1874cd" height="89" cellspacing="2" cellpadding="0" width="690" align="center" border="2">                <tbody>                    <tr valign="middle">                        <td width="333" height="25">                        <div align="center">主要技术指标</div>                        </td>                        <td width="345">                        <div align="center">特点</div>                        </td>                    </tr>                    <tr>                        <td valign="top" align="center" height="57">                        <div align="left">m&gt;0.5mm;<span lang="EN-US">d<sub>max</sub></span>&lt;600mm<br />                        心轴长度：30～800mm， 纵向移动距离：200mm<br />                        调整角：&beta;<span lang="EN-US"><sub>y</sub></span>= -90&deg;～ +90&deg;</div>                        </td>                        <td valign="top">① 基准圆盘与光学调角式<br />                        ② 可测直齿、斜齿内外圆柱齿轮和剃齿刀的&Delta;<span lang="EN-US">F<sub>&beta;</sub></span></td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>    </tbody></table><p><table cellspacing="0" cellpadding="0" width="100%" border="0">    <tbody>        <tr>            <td colspan="2" height="30">            <div align="left"><font color="#ee7621"><strong>6、齿厚误差的测量：</strong></font>测齿厚偏差&Delta;<span lang="EN-US">E<sub>s</sub></span>。</div>            </td>        </tr>        <tr>            <td colspan="2" height="25">            <div align="center"><strong>测量齿厚常用测量仪器</strong></div>            </td>        </tr>        <tr>            <td colspan="2">            <table cellspacing="0" cellpadding="0" width="100%" border="0">                <tbody>                    <tr>                        <td width="3%">&nbsp;</td>                        <td width="97%">                        <table bordercolor="#1874cd" height="150" cellspacing="2" cellpadding="0" width="690" border="2">                            <tbody>                                <tr>                                    <td width="107" height="24">                                    <div align="center">序号</div>                                    </td>                                    <td width="198">名称</td>                                    <td width="385">规格范围</td>                                </tr>                                <tr>                                    <td height="24">                                    <div align="center">1</div>                                    </td>                                    <td>齿厚游标卡尺</td>                                    <td>m=2～36mm；m=5～36mm；分度值：0.02mm</td>                                </tr>                                <tr>                                    <td height="24">                                    <div align="center">2</div>                                    </td>                                    <td>光学测齿卡尺</td>                                    <td>m=1.5～18mm；分度值：0.02mm</td>                                </tr>                                <tr>                                    <td height="24">                                    <div align="center">3</div>                                    </td>                                    <td>各种投影仪</td>                                    <td>放大倍数：10～100</td>                                </tr>                                <tr>                                    <td height="22">                                    <div align="center">4</div>                                    </td>                                    <td>各种齿厚卡规</td>                                    <td>用通端、止端控制齿厚偏差</td>                                </tr>                                <tr>                                    <td height="21">                                    <div align="center">5</div>                                    </td>                                    <td>万能测齿仪</td>                                    <td>m=1～10mm；dmax=400mm分度值：0.001mm</td>                                </tr>                            </tbody>                        </table>                        </td>                    </tr>                    <tr>                        <td>&nbsp;</td>                        <td>&nbsp;</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td width="438" height="107">            <div align="center"><img height="224" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/shuxiancihouybc.gif" width="281" alt="" /></div>            </td>            <td valign="top" width="441"><img height="224" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/chihouybc.jpg" width="292" alt="" /></td>        </tr>        <tr>            <td valign="bottom" colspan="2">            <div align="left"><font color="#ee7621"><strong><br />            <br />            <br />            7、公法线长度的测量：</strong></font></div>            </td>        </tr>        <tr>            <td colspan="2" height="25">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;测公法线平均长度<img height="21" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/zifu.gif" width="24" alt="" /> 公法线长度变动量&Delta;<span lang="EN-US">F<sub>w</sub></span></td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">            <div align="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;量具：</div>            </td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">            <div align="left">&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;① 公法线千分尺：分度值0.01mm，测一般精度齿轮</div>            </td>        </tr>        <tr>            <td valign="top" height="25">            <div align="right"><img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/gongfaxianqfc.jpg" width="427" alt="" /></div>            </td>            <td valign="bottom" height="25"><img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/gongfaxianqfc2.jpg" width="302" alt="" /></td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">            <div align="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;② 公法线杠杆千分尺：分度值0.005mm，用于测量高精度齿轮相对法测量，效率高<br />            &nbsp;</div>            </td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">            <div align="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;③ 万能测齿仪</div>            </td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">            <div align="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;④ 在万能工具显微镜上用影像法测量：测小模数齿轮</div>            </td>        </tr>        <tr>            <td valign="bottom" colspan="2" height="25">            <div align="left">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ⑤ 分度值为0.02mm的游标卡尺：测低精度齿轮</div>            </td>        </tr>    </tbody></table></p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" colspan="3" height="25"><font color="#ee7621"><strong>8、综合测量：</strong></font>&nbsp;</td>        </tr>        <tr>            <td valign="middle" colspan="3" height="25">            <div align="center"><strong>齿轮综合测量常用仪器</strong></div>            </td>        </tr>        <tr>            <td colspan="3" height="25">            <table bordercolor="#1874cd" height="316" cellspacing="2" cellpadding="0" width="95%" border="2">                <tbody>                    <tr>                        <td width="5%" height="25">                        <div align="center">序号</div>                        </td>                        <td width="13%">                        <div align="center">型号、名称</div>                        </td>                        <td width="19%">                        <div align="center">主要技术指标</div>                        </td>                        <td align="center" width="63%">特点</td>                    </tr>                    <tr>                        <td height="117">                        <div align="center">1</div>                        </td>                        <td align="center">                        <div align="left">CD320G-B型光栅式单面啮合测量仪</div>                        </td>                        <td>m=0.5～6mm<br />                        d=10～320mm<br />                        z&lt;256<br />                        齿轮累积误差可测4级、其它项目可测5级，<br />                        精度&beta;=&plusmn;45&deg;</td>                        <td valign="middle">① 光栅式；<br />                        ② 测量蜗杆、间齿测量；<br />                        ③ 分频、数字比相；<br />                        ④ 长、圆同步记录仪；<br />                        ⑤ 用单头测量蜗杆，可测得&Delta;<span lang="EN-US">F<sub>i</sub></span>&prime;、&Delta;<span lang="EN-US">f<sub>i</sub></span>&Prime;；<br />                        ⑥ 用特殊结构测量蜗杆，可测得截面整体误差曲线，从中要可读取&Delta;<span lang="EN-US">F<sub>i</sub></span>&prime;、&Delta;<span lang="EN-US">f<sub>i</sub></span>&prime;、&Delta;<span lang="EN-US">F<sub>p</sub></span>、&Delta;<span lang="EN-US">f<sub>pt</sub></span>、&Delta;<span lang="EN-US">f<sub>pb</sub></span>、&Delta;<span lang="EN-US">f<sub>f</sub></span>。</td>                    </tr>                    <tr>                        <td height="109">                        <div align="center">2</div>                        </td>                        <td>CD320W型万能式单面啮合测量仪</td>                        <td>m=0.5～6mm<br />                        dmax=320mm<br />                        精度：<br />                        　齿距误差3级<br />                        　齿形误差5级<br />                        　齿向误差5级</td>                        <td valign="top">① 是全齿宽整体误差单啮仪，与CD320G-B型所不同的是：以长圆光栅为基准，采用连续演算补偿附加转角的原理进行全齿宽整体误差曲线的测量；可自动标定齿形误差曲线的起止点。<br />                        ② 单头测量蜗杆可测得&Delta;<span lang="EN-US">F<sub>i</sub></span>&prime;、&Delta;<span lang="EN-US">f<sub>i</sub></span>&Prime;。用特殊结构测量蜗杆，可测得全齿宽整体误差曲线，从中主要可读取 &Delta;<span lang="EN-US">F<sub>i</sub></span>&prime;、&Delta;<span lang="EN-US">f<sub>i</sub></span>&prime;、&Delta;<span lang="EN-US">F<sub>p</sub></span>、&Delta;<span lang="EN-US">f<sub>pt</sub></span>、&Delta;<span lang="EN-US">f<sub>pb</sub></span>、&Delta;<span lang="EN-US">f<sub>f</sub></span>、&Delta;<span lang="EN-US">F<sub>b</sub></span>、&Delta;<span lang="EN-US">F<sub>pt</sub></span>。</td>                    </tr>                    <tr>                        <td height="65">                        <div align="center">3</div>                        </td>                        <td>3101系列中模数齿轮双啮仪</td>                        <td>m=1～10mm<br />                        仪器中心距为：<br />                        50～320mm</td>                        <td>① 可测带孔、带轴圆柱齿轮，并带有测锥齿轮、蜗杆副和直齿轮、斜齿轮附件；<br />                        ② 手动测量，指示表读数。</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="3" height="81"><strong><font color="#ee7621"><br />            9、整体误差测量：</font></strong> <br />            　 万能齿轮测量机 <br />            　 三坐标测量机 <br />            　 各种齿轮检测仪器</td>        </tr>        <tr align="center">            <td valign="middle" height="193">            <div align="right"><img height="193" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/chilunsmchcly.jpg" width="189" alt="" /></div>            </td>            <td valign="middle">            <div align="left"><img height="193" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/chilunsmchjcy.gif" width="225" alt="" /></div>            </td>            <td valign="middle"><img height="193" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/tu/wnchiluncly.jpg" width="281" alt="" /></td>        </tr>        <tr align="center">            <td valign="middle" width="31%" height="32">            <div align="center">　齿轮双面啮合综合检查仪</div>            </td>            <td valign="middle" width="26%">            <div align="center">齿轮双面啮合测量仪</div>            </td>            <td valign="middle" width="43%">            <div align="left">　　　　　　万能齿轮测量机</div>            </td>        </tr>    </tbody></table>]]></description><category>齿轮测量仪</category><comments>http://www.tesa17.cn/BLOG/post/齿轮各误差项目的测量.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=339</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=339&amp;key=6845d85e</trackback:ping></item><item><title>表面粗糙度测量仪器 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/表面粗糙度测量仪器.html</link><pubDate>Fri, 09 May 2008 17:22:23 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/表面粗糙度测量仪器.html</guid><description><![CDATA[<p><table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td height="50"><font color="#cb3300"><b><strong>表面粗糙度测量仪器</strong></b></font></td>        </tr>        <tr>            <td align="right" height="40">            <div align="left">            <table cellspacing="0" cellpadding="0" width="462" border="0">                <tbody>                    <tr>                        <td align="right" width="179" height="35">                        <div align="left"><strong><b><font color="#ee7621">1、以光学原理为基础</font></b></strong></div>                        </td>                        <td width="17">                        <div align="left"><img height="35" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/kuohao3.gif" width="16" alt="" /></div>                        </td>                        <td align="right" width="266">                        <div align="left">                        <p>光切显微镜<br />                        干涉显微镜</p>                        </div>                        </td>                    </tr>                </tbody>            </table>            </div>            </td>        </tr>        <tr>            <td align="right" height="40">            <div align="left"><strong><b><font color="#ee7621">2、</font></b></strong><strong><b><font color="#ee7621">以传感技术为基础：</font></b></strong>触针式电动轮廓仪</div>            </td>        </tr>        <tr>            <td align="right" height="40">            <div align="left"><strong><b><font color="#ee7621">3、以激光原理为基础：</font></b></strong>粗糙度测量仪</div>            </td>        </tr>    </tbody></table><script language="javascript" type="text/javascript"><!--//function modify()//{	model_td.innerHTML="Html语言";//}//modify();function explist(title_code,title_id){	if (title_code>0&&parent.leftFrame.document.all('title0' + title_code).className == 'collapse')		parent.leftFrame.tClick(0,title_code);	if (parent.leftFrame.document.all('title' + title_code + title_id).className == 'collapse')		parent.leftFrame.tClick(title_code,title_id);}--></script></p>]]></description><category>粗糙度仪</category><comments>http://www.tesa17.cn/BLOG/post/表面粗糙度测量仪器.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=338</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=338&amp;key=69d01ab7</trackback:ping></item><item><title>表面粗糙度的测量 </title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/表面粗糙度的测量.html</link><pubDate>Fri, 09 May 2008 17:19:34 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/表面粗糙度的测量.html</guid><description><![CDATA[<table cellspacing="0" cellpadding="0" width="95%" border="0">    <tbody>        <tr>            <td valign="bottom" colspan="2" height="25"><font color="#cb3300"><strong>表面粗糙度的测量</strong></font></td>        </tr>        <tr>            <td valign="middle" colspan="2" height="30">            <div align="center"><strong>表面粗糙度的检测程序 </strong></div>            </td>        </tr>        <tr>            <td colspan="2">            <table bordercolor="#1784cd" cellspacing="2" cellpadding="0" width="95%" border="2">                <tbody>                    <tr>                        <td width="11%" height="25">                        <div align="center">序号</div>                        </td>                        <td width="11%">                        <div align="center">测量方法</div>                        </td>                        <td width="78%">检验程序说明</td>                    </tr>                    <tr>                        <td align="center" height="42">                        <div align="center">1</div>                        </td>                        <td align="center">                        <div align="center">目测检查</div>                        </td>                        <td>　　当工件表面粗糙度比规定的粗糙度明显的好或不好，不需用更精确 的方法检验。工件表面存在着明显影响表面功能的表面缺陷，选择目测法检验判定</td>                    </tr>                    <tr>                        <td align="center" height="42">                        <div align="center">2</div>                        </td>                        <td align="center">                        <div align="center">比较检查</div>                        </td>                        <td>　　若用目测检查不能做出判定，可采用视觉或显微镜将被测表面与粗糙度比较样块比较判定</td>                    </tr>                    <tr>                        <td align="center" height="197">                        <div align="center">3</div>                        </td>                        <td align="center">                        <div align="center">仪器检查</div>                        </td>                        <td>　　若用粗糙度比较样块比较法不能做出判定，应采用仪器测厨：<br />                        　①对不均匀表面，在最有可能出现粗糙度参数极限值的部位上进行测量；<br />                        　②对表面粗糙度均匀的表面，应在几个均布位置上分别测量，至少测量3次；<br />                        　③当给定表面粗糙度参数上限或下限时，应在表面粗糙度参数可能出现最大值或最小值处测量；<br />                        　④表面粗糙度参数注明是最大值的要求时，通常在表面可能出现最大值(如有一个可见的深槽)处，至少测量3次；&nbsp;&nbsp; <br />                        　　测量方向：<br />                        　①图样或技术文件中规定测量方向时，按规定方向进行测量；<br />                        　②当图样或技术文件中没有指定方向时，则应在能给出粗糙度参数最大值的方向测量，该方向垂直于被测表面的加工纹理方向；<br />                        　③对无明显加工纹理的表面，测量方向可以是任意的，一般可选择几个方向进行测量，取其最大值为粗糙度参数的数值</td>                    </tr>                </tbody>            </table>            </td>        </tr>        <tr>            <td colspan="2" height="10">&nbsp;</td>        </tr>        <tr>            <td colspan="2" height="25">            <div align="center"><strong>检测表面粗糙度的常用方法 </strong></div>            </td>        </tr>        <tr>            <td colspan="2">            <table bordercolor="#1874cd" cellspacing="2" cellpadding="0" width="95%" border="2">                <tbody>                    <tr>                        <td width="6%" height="34">                        <div align="center">序号</div>                        </td>                        <td width="10%">                        <div align="center">检验方法</div>                        </td>                        <td width="13%">                        <div align="center">适用参数及<br />                        范围（&mu;m）</div>                        </td>                        <td width="71%">                        <div align="center">说明</div>                        </td>                    </tr>                    <tr>                        <td height="84">                        <div align="center">1</div>                        </td>                        <td align="center">样块<br />                        比较法</td>                        <td>直接目测： <br />                        <font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font><font color="#000000">&gt;</font>2.5； <br />                        用放大镜： <br />                        <font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font><font color="#000000">&nbsp;</font>&gt;<br />                        0.32～0.5；</td>                        <td>　　以表面粗糙度比较样块工作面上的粗糙度为标准， 用视觉法或触觉法与被测表面进行比较，以判定被测表面是否符合规定；&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />                        　　用样块进行比较检验时，样块和被测表面的材质、加工方法应尽可能一致；&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />                        　　样块比较法简单易行，适合在生产现场使用</td>                    </tr>                    <tr>                        <td height="67">                        <div align="center">2</div>                        </td>                        <td align="center">显微镜<br />                        比较法</td>                        <td><font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font><font color="#000000">&nbsp;</font>&lt;0.32</td>                        <td>　　将被测表面与表面粗糙度比较样块靠近在一起，用比较显微镜观察两者被放大的表面，以样块工作面上的粗糙度为标准，观察比较被测表面是否达到相应样块的表面粗糙度；从而判定被测表面粗糙度是否符合规定。此方法不能测出粗糙度参数值</td>                    </tr>                    <tr>                        <td height="81">                        <div align="center">3</div>                        </td>                        <td align="center">电动<br />                        轮廓仪<br />                        比较法</td>                        <td><font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font><font color="#000000">&nbsp;</font>：<br />                        0.025～6.3 <br />                        <font color="#000000"><span lang="EN-US">R<sub>z</sub></span></font>：<br />                        0.1～25</td>                        <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;电动轮廓仪系触针式仪器。测量时仪器触针尖端在被测表面上垂直于加工纹理方向的截面上，做水平移动测量，从指示仪表直接得出一个测量行程<font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font>值。这是<font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font>值测量最常用的方法。或者用仪器的记录装置，描绘粗糙度轮廓曲线的放大图，再计算<font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font>或<font color="#000000"><span lang="EN-US">R<sub>z</sub></span></font>值。此类仪器适用在计量室。但便携式电动轮廓仪可在生产现场使用</td>                    </tr>                    <tr>                        <td height="66">                        <div align="center">4</div>                        </td>                        <td align="center">光切<br />                        显微镜<br />                        测量法</td>                        <td><font color="#000000"><span lang="EN-US">R<sub>z</sub></span></font>：<br />                        0.8～100</td>                        <td>　　光切显微镜(双管显微镜)是利用光切原理测量表面粗糙度的方法。从目镜观察表面粗糙度轮廓图像，用测微装置测量<font color="#000000"><span lang="EN-US">R<sub>z</sub></span></font>值和<font color="#000000"><span lang="EN-US">R<sub>y</sub></span></font>值。也可通过测量描绘出轮廓图像，再计算<font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font>值，因其方法较繁而不常用。必要时可将粗糙度轮廓图像拍照下来评定。光切显微镜适用于计量室</td>                    </tr>                    <tr>                        <td height="78">                        <div align="center">5</div>                        </td>                        <td align="center">干涉<br />                        显微镜<br />                        测量法</td>                        <td><font color="#000000"><span lang="EN-US">R<sub>z</sub></span></font>：<br />                        0.032～0.8</td>                        <td>　　干涉显微镜是利用光波干涉原理，以光波波长为基准来测量表面粗糙度的。被测表面有一定的粗糙度就呈现出凸凹不平的峰谷状干涉条纹，通过目镜观察、利用测微装置测量这些干涉条纹的数目和峰谷的弯曲程度，即可计算出表面粗糙度的<font color="#ee7621"><span lang="EN-US"><font color="#000000">R<sub>a</sub></font></span></font>值。必要时还可将干涉条纹的峰谷拍照下来评定。干涉法适用于精密加工的表面粗糙度测量。适合在计量室使用</td>                    </tr>                </tbody>            </table>            <div align="center">&nbsp;</div>            </td>        </tr>        <tr>            <td valign="top" colspan="2" height="16">            <div align="center">&nbsp;</div>            </td>        </tr>        <tr>            <td valign="top" colspan="2" height="15"><strong>各种粗糙度检测仪器： </strong></td>        </tr>        <tr>            <td colspan="2" height="28">① <a onclick="expandIt('KB1'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_9_3.htm#"><strong><font color="#00a854">便携式表面粗糙度测量仪</font></strong></a>            <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if 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  if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whāichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script>            <style type="text/css">.child {display:none}</style></td>        </tr>        <tr>            <td onclick="MM_showHideLayers('Layer1','','show')" colspan="3">            <div class="child" id="KB1Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="75%" border="0">                <tbody>                    <tr>                        <td>　　　<img height="185" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/bianxiecly.jpg" width="277" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB1Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="25">② <a onclick="expandIt('KB2'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_9_3.htm#"><strong><font color="#00a854">手持式粗糙度仪</font></strong></a>            <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            write(".regular {position:absolute; visibility:visible}")        }        else {            write(".child {display:none}")        }        write("</STYLE>");    }}function getIndex(el) {    ind = null;    for (i=0; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.id == el) {            ind = i;            break;        }    }    return ind;}function arrange() {    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;    for (i=firstInd+1; i<document.layers.length; i++) {        whichEl = document.layers[i];        if (whichEl.visibility != "hide") {            whichEl.pageY = nextY;            nextY += whichEl.document.height;        }    }}function initIt(){    if (!ver4) return;    if (NS4) {        for (i=0; i<document.layers.length; i++) {            whichEl = document.layers[i];            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";       }        arrange();    }    else {        divColl = document.all.tags("DIV");        for (i=0; i<divColl.length; i++) {            whichEl = divColl(i);            if (whichEl.className == "child") whichEl.style.display = "none";        }    }}function expandIt(el) {    if (!ver4) return;    if (IE4) {        whichEl = eval(el + "Child");        if (whichEl.style.display == "none") {            whichEl.style.display = "block";        }        else {            whichEl.style.display = "none";        }    }    else {        whichEl = eval("document." + el + "Child");        if (whāichEl.visibility == "hide") {            whichEl.visibility = "show";        }        else {            whichEl.visibility = "hide";        }        arrange();    }}onload = initIt;</script>            <style type="text/css">.child {display:none}</style></td>        </tr>        <tr>            <td onclick="MM_showHideLayers('Layer1','','show')" colspan="3">            <div class="child" id="KB2Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="75%" border="0">                <tbody>                    <tr>                        <td>　　　<img height="272" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/handccdy.jpg" width="540" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB2Parent";        firstInd = getIndex(firstEl);        arrange();      }</script>            </td>        </tr>        <tr>            <td colspan="2" height="26">③ <a onclick="expandIt('KB3'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_9_3.htm#"><strong><font color="#00a854">表面粗糙度仪</font></strong></a>            <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if (NS4) {            write(".parent {position:absolute; visibility:visible}");            write(".child {position:absolute; visibility:visible}");            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cellpadding="0" width="75%" border="0">                <tbody>                    <tr>                        <td>　　　<img height="200" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/biaomianccdy.jpg" width="390" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB3Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            </td>        </tr>        <tr>            <td colspan="2" height="28">            <p>④<a onclick="expandIt('KB4'); return false" href="http://www.gxcme.edu.cn/jpkc/jpkc/web/lessons/4_9_3.htm#"><strong><font color="#00a854"> 粗糙度样板</font></strong></a>            <script language="JavaScript1.2" type="text/javascript">NS4 = (document.layers) ? 1 : 0;IE4 = (document.all) ? 1 : 0;ver4 = (NS4 || IE4) ? 1 : 0;if (ver4) {    with (document) {        write("<STYLE TYPE='text/css'>");        if 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  <td onclick="MM_showHideLayers('Layer1','','show')" colspan="3">            <div class="child" id="KB4Child" style="display: none">            <table cellspacing="0" cellpadding="0" width="75%" border="0">                <tbody>                    <tr>                        <td>　　　<img height="300" src="http://www.gxcme.edu.cn/jpkc/jpkc/images/4-7/yangb.jpg" width="483" alt="" /></td>                    </tr>                </tbody>            </table>            </div>            <script language="JavaScript" type="text/javascript">    if (NS4) {        firstEl = "KB4Parent";        firstInd = getIndex(firstEl);        arrange();    }</script>            <br />            &nbsp;</td>        </tr>    </tbody></table>]]></description><category>粗糙度仪</category><comments>http://www.tesa17.cn/BLOG/post/表面粗糙度的测量.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=337</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=337&amp;key=5d0b8757</trackback:ping></item><item><title>条式水平仪</title><author>cnydyq@163.com (admin)</author><link>http://www.tesa17.cn/BLOG/post/条式水平仪.html</link><pubDate>Fri, 09 May 2008 17:18:29 +0800</pubDate><guid>http://www.tesa17.cn/BLOG/post/条式水平仪.html</guid><description><![CDATA[<p>&nbsp;</p><h3 style="layout-grid-mode: char"><span style="font-weight: bold; font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">条式水平仪</span> <span style="font-weight: bold; font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></h3><p class="0" style="layout-grid-mode: char; text-indent: 21.6pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">图7-1是钳工常用的条式水平仪。条式</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">水平仪由作为工作平面的V型底平面和与工</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">作平面平行的水准器</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">(俗称气泡)两部分组</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">成。工作平面的平直度和水准器与工作平面</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">的平行度都做得很精确。当水平仪的底平面</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">放在准确的水平位置时，水准器内的气泡正</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">好在中间位置</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">(即水平位置)。</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">在水准器玻</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">璃管内气泡两端刻线为零线的两边，刻有不</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">少于</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">8</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">格的刻度，刻线间距为</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">2mm</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">。当水平</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span> <span style="font-size: 7.5pt; font-family: '宋体'; mso-spacerun: 'yes'">图</span> <span style="font-size: 7.5pt; font-family: '宋体'; mso-spacerun: 'yes'">7-1&nbsp;&nbsp;</span> <span style="font-size: 7.5pt; font-family: '宋体'; mso-spacerun: 'yes'">条式水平仪</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">仪的底平面与水平位置有微小的差别时，也就是水平仪底平面两端有高低时，水准器内的气泡由于地心引力的作用总是往水准器的最高一侧移动，这就是水平仪的使用原理。两端高低相差不多时，气泡移动也不多，两端高低相差较大时，气泡移动也较大，在水准器的刻度上就可读出两端高低的差值。</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 153pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">表</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">7-1&nbsp;&nbsp;&nbsp;</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">水平仪的规格</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p><table style="margin-left: 6.75pt; margin-right: 6.75pt; border-collapse: collapse; mso-table-layout-alt: fixed">    <tbody>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: rgb(0,0,0) 0.5pt solid; padding-left: 5.4pt; padding-bottom: 0pt; border-left: rgb(255,255,255) 31.875pt; width: 44.65pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="59" rowspan="2">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">品种</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: rgb(0,0,0) 0.5pt solid; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 120.15pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="160" colspan="3">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">外形尺寸（</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">mm</span> <span style="font-size: 9pt; font-family: '宋体'">）</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(255,255,255) 31.875pt; padding-right: 5.4pt; border-top: rgb(0,0,0) 0.5pt solid; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 102.6pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="136" colspan="2">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">分度值</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'">长</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'">阔</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: rgb(0,0,0) 0.5pt solid; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'">高</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: rgb(0,0,0) 0.5pt solid; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">组别</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(255,255,255) 31.875pt; padding-right: 5.4pt; border-top: rgb(0,0,0) 0.5pt solid; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 62.55pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="83">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">(mm/m)</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: rgb(255,255,255) 31.875pt; width: 44.65pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="59" rowspan="5">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">框式</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">100</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="top" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">25</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">35</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">100</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53" rowspan="3">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 10.5pt; font-family: '宋体'">Ⅰ</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(255,255,255) 31.875pt; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 62.55pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="83" rowspan="3">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">0.02</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 11.55pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">150</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="top" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">30</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">40</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">150</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">200</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="top" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">35</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">40</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">200</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">250</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53" rowspan="2">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">40</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">50</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">250</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53" rowspan="4">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 10.5pt; font-family: '宋体'">Ⅱ</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(255,255,255) 31.875pt; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 62.55pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="83" rowspan="4">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">0.03</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">0.05</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 9.2pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">300</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">300</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: rgb(255,255,255) 31.875pt; width: 44.65pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="59" rowspan="5">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">条式</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">100</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="top" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">30</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">35</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="top" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">35</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">40</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">150</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="top" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">35</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">40</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="top" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">35</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">45</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">200</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53" rowspan="3">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">40</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">45</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53" rowspan="3">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">40</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">50</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53" rowspan="3">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 10.5pt; font-family: '宋体'">Ⅲ</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>            <td style="border-right: rgb(255,255,255) 31.875pt; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 62.55pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="83" rowspan="3">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">0.06</span> <span style="font-size: 9pt; font-family: '宋体'">～</span> <span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">0.15</span> <span style="font-size: 10.5pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 8.8pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">250</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>        <tr style="height: 9.2pt; page-break-inside: TableInfo">            <td style="border-right: rgb(0,0,0) 0.5pt solid; padding-right: 5.4pt; border-top: medium none; padding-left: 5.4pt; padding-bottom: 0pt; border-left: medium none; width: 40.05pt; padding-top: 0pt; border-bottom: rgb(0,0,0) 0.5pt solid" valign="middle" width="53">            <p class="0" style="layout-grid-mode: char; line-height: 12pt; text-align: center"><span style="font-size: 9pt; font-family: '宋体'; mso-spacerun: 'yes'">300</span> <span style="font-size: 9pt; font-family: '宋体'"><o:p></o:p></span></p>            </td>        </tr>    </tbody></table></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char; text-indent: 21pt"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'"><o:p></o:p></span></p><p class="0" style="layout-grid-mode: char"><span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">条式水平仪的规格见表</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">7-1</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">。条式水平仪分度值的说明，如分度值0.03mm／m，即表示气泡移动一格时，被测量长度为1m的两端上，高低相差0.03mm。再如，用200</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">mm</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">长，分度值为0.05mm／m的水平仪，测量400mm长的平面的水平度。先把水平仪放在平面的左侧，此时若气泡向右移动二格，再把水平仪放在平面的右侧，此时若气泡向左移动三格，则说明这个平面是中间高两侧低的凸平面。中间高出多少毫米呢？从左侧看中间比左端高二格，即在被测量长度为1m时，中间高2&times;0.05</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">=</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">0.10mm，现实际测量长度为200mm，是1m的</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">，所以，实际上中间比左端高0.10&times;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">=</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">0.02mm。从右侧看：中间比右端高三格，即在被测量长度为1m时，中间高3&times;0.05=0.15mm，现实际测量长度为200mm，是1m的</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">，所以，实际上中间比右端高0.</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">15</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&times;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">&nbsp;&nbsp;</span> <span style="font-size: 10.5pt; font-family: '宋体'; mso-spacerun: 'yes'">=0.03mm。由此可知，中间比左端高0.02mm，中间比右端高0.03mm，则中间比两端高出的数值为(0.02+0.03)&divide;2=0.025mm。</span></p><!--EndFragment-->]]></description><category>水平仪</category><comments>http://www.tesa17.cn/BLOG/post/条式水平仪.html#comment</comments><wfw:comment>http://www.tesa17.cn/BLOG/</wfw:comment><wfw:commentRss>http://www.tesa17.cn/BLOG/feed.asp?cmt=336</wfw:commentRss><trackback:ping>http://www.tesa17.cn/BLOG/cmd.asp?act=tb&amp;id=336&amp;key=1688b16b</trackback:ping></item></channel></rss>
