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"/images/banner/s5.jpg"; var randomBgIndex = Math.round( Math.random() * 4 ); //输出随机的背景图 document.write('<style>.banner{background:url(' + bodyBgs[randomBgIndex] + ') no-repeat 50% bottom}</style>'); //]]> </script> <section> <div class="banner" style="height:160px;"> </div> </section> <!-- 面包屑导航开始 --> <div class="container "> <nav class="sub_menu"> <ol class="breadcrumb"><span class="glyphicon glyphicon-list"></span> <li><a href="/">网站首页</a></li> <li><a title="技术文章" href="/bethel/NC">技术文章</a></li> <li><a title="数控文章" href="/bethel/news">数控文章</a></li> </ol> </nav> </div> <!--/sub_menu--><!-- 面包屑导航结束 --> <!-- 页面标题开始 --> <div class="title"> <h3><a>数控加工中心常用对刀方法探讨<small></small></a></h3> </div> <!-- 页面标题结束 --> <hr class="featurette-divider"> <!-- 中部开始 --> <div class="container"> <!-- 正文 --> <div class="lead" id="print"> <p> <span style="line-height: 14.3pt; text-indent: 0cm; background-color: transparent;">1引言</span></p> <p class="51" style="margin-top:0cm;margin-right:0cm;margin-bottom:11.85pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;line-height:14.3pt;mso-line-height-rule:exactly;background:transparent"><span class="50">对刀是数控加工中最重要的操作内容</span><span class="5">，</span><span class="50">其目的是通过刀具 或对刀工具确定工件坐标系原点</span><span class="5">（</span><span class="50">程序原点</span><span class="5">)</span><span class="50">在机床坐标系中的 位置</span><span class="5">，</span><span class="50">其准确性将直接影响零件的加工精度。形状不同的零件、 加工精度不同的零件</span><span class="5">，</span><span class="50">对刀的方法也有所不同。笔者结合几年 来在教学和生产中的经验</span><span class="5">，</span><span class="50">总结出几种不同的对刀方法</span><span class="5">，</span><span class="50">以适应 不同零件的对刀要求。</span></p> <p class="21" align="left" style="margin: 0cm 0cm 0.0001pt; text-indent: 0cm; line-height: 14.55pt; background: transparent;"><span class="20">2数控加工中心常用对刀方法探讨</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.55pt;mso-line-height-rule: exactly;background:transparent"><span class="50">数控加工中心的对刀操作分为</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">X</span></span><span class="5"><span lang="EN-US">、</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50">向对刀和</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀</span><span class="5">，</span><span class="50">下 面分别进行探讨。</span></p> <p class="1231" align="left" style="margin-top: 0cm; text-indent: 0cm; line-height: 9pt; background: transparent;"><span class="1230"><span style="font-family: SimSun;">2.1 </span></span><span class="123Garamond"><span lang="EN-US" style="font-size: 9pt;">X</span></span><span class="1239pt"><span lang="EN-US" style="font-size: 9pt; font-family: 宋体;">、</span></span><span class="123Garamond"><span lang="EN-US" style="font-size: 9pt;">Y</span></span><span class="1230">向对刀</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;background:transparent"><span class="50">根据使用对刀工具的不同</span><span class="5">，</span><span class="50">对刀方法可以分为</span><span class="5">：</span><span class="50">试切对刀 法</span><span class="5">，</span><span class="50">塞尺</span><span class="5">（</span><span class="50">或块规</span><span class="5">)</span><span class="50">和刚性靠棒对刀法</span><span class="5">，</span><span class="50">寻边器对刀法</span><span class="5">，</span><span class="50">百分表对 刀法。</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo1;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(1)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="50">试切对刀法</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;background:transparent"><span class="50">试切对刀法即直接采用加工刀具进行对刀</span><span class="5">，</span><span class="50">这种方法操作 简单方便</span><span class="5">，</span><span class="50">但会在零件表面留下切削刀痕</span><span class="5">，</span><span class="50">影响零件表面质量且 对刀精度较低。</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;background:transparent"><span class="50">图1所示</span><span class="5">，</span><span class="50">工件坐标系原点位于零件上表面的中心。刀具利 用试切法先后定位到图中的1、点</span><span class="5">，</span><span class="50">并分别记录下此时</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">CRT</span></span><span class="50">显 示器中的</span><span class="5">“</span><span class="50">机床坐标系</span><span class="5">”</span><span class="50">的</span><span class="5TimesNewRoman"><span style="font-size: 8pt;">X</span></span><span class="50">向坐标值</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">X</span></span><span class="50"><span style="font-family: SimSun;">1</span></span><span class="5"><span lang="EN-US">、</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">X</span></span><span class="50"><span style="font-family: SimSun;">2</span></span><span class="5"><span style="font-family: SimSun;">,</span></span><span class="50">则工件坐标系原 点在机床坐标系中的</span><span class="5TimesNewRoman"><span style="font-size: 8pt;">X</span></span><span class="50">向坐标值为</span><span class="5"><span style="font-family: SimSun;">(</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">X</span></span><span class="50"><span style="font-family: SimSun;">1+</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">X</span></span><span class="50"><span style="font-family: SimSun;">2</span></span><span class="5"><span style="font-family: SimSun;">)</span></span><span class="50"><span style="font-family: SimSun;">/2</span></span><span class="50"><span lang="EN-US">。</span></span><span class="50">用同样的方法 使刀具分别定位到3、点</span><span class="5">，</span><span class="50">并分别记录下</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">CRT</span></span><span class="50">显示器中的</span><span class="5">“</span><span class="50">机床 坐标系</span><span class="5">”</span><span class="50">的</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50">向坐标值</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50"><span style="font-family: SimSun;">1</span></span><span class="5"><span lang="EN-US">、</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50"><span style="font-family: SimSun;">2</span></span><span class="5">，</span><span class="50">则工件坐标系原点在机床坐标系 中的</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50">向坐标值为</span><span class="5"><span style="font-family: SimSun;">(</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50"><span style="font-family: SimSun;">1+</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50"><span style="font-family: SimSun;">2</span></span><span class="5"><span style="font-family: SimSun;">)</span></span><span class="50"><span style="font-family: SimSun;">/2</span></span><span class="50"><span lang="EN-US">。</span></span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo1;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(2)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="50">刚性靠棒对刀法</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;background:transparent"><span class="50">刚性靠棒对刀法是利用刚性靠棒配合塞尺</span><span class="5">(</span><span class="50">或块规</span><span class="5">)</span><span class="50">的一种 对刀方法</span><span class="5">，</span><span class="50">其对刀方法与试切对刀法相似。首先将刚性靠棒安 装在刀柄中</span><span class="5">，</span><span class="50">移动工作台使刚性靠棒靠近工件</span><span class="5">，</span><span class="50">并将塞尺塞人刚 性靠棒与工件之间</span><span class="5">，</span><span class="50">再次移动机床使塞尺恰好不能自由抽动为 准</span><span class="5">，</span><span class="50">如图2所示。分别在工件的四个方向上进行对刀</span><span class="5">，</span><span class="50">计算出工 件坐标系原点在机床坐标系中的位置。这种对刀方法不会在零 件表面上留下痕迹</span><span class="5">，</span><span class="50">但对刀精度不高且较为费时。</span></p> <!--[if !supportTextWrap]--> <!--[endif]--> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo1;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(3)<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="50">寻边器对刀法</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;background:transparent"><span class="50">常用的寻边器有机械寻边器和光电寻边器</span><span class="5">，</span><span class="50">寻边器对刀法 与刚性靠棒对刀法相似。如图3所示</span><span class="5">，</span><span class="50">在使用机械寻边器时要求 主轴转速设定在</span><span class="50"><span style="font-family: SimSun;">500</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">r</span></span><span class="50"><span style="font-family: SimSun;">/</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">min</span></span><span class="50">左右</span><span class="5">，</span><span class="50">这种对刀法精度高</span><span class="5">、</span><span class="50">无需维护、 成本适中</span><span class="5">;</span><span class="50">如图4所示</span><span class="5">，</span><span class="50">在使用光电寻边器时主轴不转</span><span class="5">，</span><span class="50">这种对刀 法精度高,需维护，成本较高。在实际加工过程中考虑到成本和 加工精度问题一般选用机械寻边器来进行对刀找正。采用寻边 器对刀要求定位基准面应有较好的表面粗糙度和直线度，确保 对刀精度。</span></p> <p class="51" align="left" style="margin: 0cm 0cm 0.0001pt; line-height: 14.3pt; background: transparent;"><span class="5Exact1"><span style="font-family:SimSun;mso-bidi-font-family:SimSun; mso-fareast-language:EN-US"> (4</span></span><span class="5Exact"><span style="font-family: SimSun;">)</span></span><span class="5Exact1">百分表对刀法</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;line-height:14.1pt;mso-line-height-rule: exactly;background:transparent"> </p> <p class="51" align="left" style="margin: 0cm 0cm 0.0001pt; line-height: 14.3pt; background: transparent;"><span class="5Exact1">该方法一般用在圆形零件的对刀</span><span class="5Exact">，</span><span class="5Exact1">如图5所示</span><span class="5Exact">，</span><span class="5Exact1">用磁力表座</span><span class="50" style="text-align: justify; background-color: transparent;">将百分表放置在机床主轴端面上，调整磁力表座上的伸缩杆长 度和角度，使百分表的触头接触零件的圆周面</span><span class="5" style="text-align: justify; background-color: transparent;"><span lang="EN-US">（</span></span><span class="50" style="text-align: justify; background-color: transparent;">指针转动约为</span><!--[if !supportLists]--><span style="font-family: SimSun;">0.<span style="font-stretch: normal; font-size: 7pt; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="50"><span style="font-family: SimSun;">2</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">mm</span></span><span class="5"><span style="font-family: SimSun;">)</span></span><span class="50">，用手慢慢旋转主轴，使百分表的触头沿零件的圆周面转 动，观察百分表指针的偏移情况。通过多次反复调整机床</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">X</span></span><span class="5TimesNewRoman1"><span lang="EN-US" style="font-size: 8pt; font-family: 宋体;">、</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y </span></span><span class="50">向，待转动主轴一周时百分表的指针基本停止在同一个位置，其 指针的跳动量在允许的对刀误差范围内，这时可以认定主轴的 中心就是圆形零件的中心。</span></p> <p class="1231" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:0cm;line-height:14.15pt;mso-line-height-rule: exactly;mso-list:l0 level1 lfo1;tab-stops:21.35pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">2.2<span style="font-stretch: normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="123Garamond"><span lang="EN-US" style="font-size: 9pt;">Z</span></span><span class="1230">向对刀</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;background:transparent"><span class="50">当对刀工具中心在</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">X</span></span><span class="5"><span lang="EN-US">、</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Y</span></span><span class="50">方向上的对刀完成后</span><span class="5">，</span><span class="50">可以取下对 刀工具</span><span class="5">,</span><span class="50">换上基准刀具</span><span class="5">，</span><span class="50">进行</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀操作。零件的</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀通 常采用试切法</span><span class="5">、</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀仪对刀和机外刀具预调+机内对刀。</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;mso-list:l1 level1 lfo2; tab-stops:38.3pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(1)<span style="font-stretch: normal; font-size: 7pt; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="50">试切法对刀</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;background:transparent"><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向的对刀点通常都是以零件的上下表面为基准。若以零 件的上表面为工件零点</span><span class="5"><span style="font-family: SimSun;">(</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50"><span style="font-family: SimSun;">=0</span></span><span class="5"><span style="font-family: SimSun;">)</span></span><span class="5MingLiU"><span style="font-size: 11pt;">，</span></span><span class="50">则在采用试切法对刀时</span><span class="5MingLiU"><span style="font-size: 11pt;">，</span></span><span class="50">需移动 刀具到工件的上表面进行试切,并记录</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">CRT</span></span><span class="50">显示器中</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向的</span><span class="5">“</span><span class="50">机 床坐标值”即为工件坐标系原点在机床坐标系中的</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向坐标 值。</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;mso-list:l1 level1 lfo2; tab-stops:38.3pt;background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(2)<span style="font-stretch: normal; font-size: 7pt; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀仪对刀</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;background:transparent"><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀仪对刀又称为机内对刀，主要用于确定工件坐标系 原点在机床坐标系的</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">轴坐标，或者说是确定刀具在机床坐标 系中的高度。</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀仪有光电式和指针式等类型，通过光电指 示或指针判断刀具与对刀器是否接触，对刀精度一般可达</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:0cm;mso-list:l2 level1 lfo3; background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">0.</span><span class="50"><span style="font-family: SimSun;">005</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">mm</span></span><span class="50"><span lang="EN-US">。</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀仪带有磁性表座，可以牢固地附着在工件或 夹具上,其高度一般为</span><span class="50"><span style="font-family: SimSun;">50</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">mm</span></span><span class="50">或</span><span class="50"><span style="font-family: SimSun;">100</span></span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">mm</span></span><span class="50"><span lang="EN-US">。</span></span><span class="50">图6所示为指针式</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向 对刀仪。</span></p> <p class="51" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:20.0pt;mso-list:l1 level1 lfo2; background:transparent"><!--[if !supportLists]--><span style="font-family: SimSun;">(3)<span style="font-stretch: normal; font-size: 7pt; font-family: 'Times New Roman';"> </span></span><!--[endif]--><span class="50">机外刀具预调+机内对刀</span></p> <p class="51" style="margin-top:0cm;margin-right:0cm;margin-bottom:12.0pt; margin-left:0cm;text-align:justify;text-justify:inter-ideograph;text-indent: 20.0pt;background:transparent"><span class="50">这种方法是先在机床外利用刀具预调仪精确测量每把刀具 的轴向尺寸</span><span class="5">,</span><span class="50">确定每把刀具的长度补偿值</span><span class="5">，</span><span class="50">输人刀具补正表。然 后选用一把标准刀</span><span class="5">（</span><span class="50">最长或最短</span><span class="5"><span style="font-family: SimSun;">)</span></span><span class="50">在机床上用</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z</span></span><span class="50">向对刀仪进行</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">Z </span></span><span class="50">向对刀</span><span class="5">，</span><span class="50">确定工件坐标系</span><span class="5">，</span><span class="50">在程序中由</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">G</span></span><span class="50"><span style="font-family: SimSun;">43</span></span><span class="50">或</span><span class="5TimesNewRoman"><span lang="EN-US" style="font-size: 8pt;">G</span></span><span class="50"><span style="font-family: SimSun;">44</span></span><span class="50">调用刀具长度 补偿值</span><span class="5">，</span><span class="50">进行刀具的长度补偿。</span></p> <p class="21" style="margin:0cm;margin-bottom:.0001pt;text-align:justify; text-justify:inter-ideograph;text-indent:0cm;line-height:14.15pt;mso-line-height-rule: exactly;background:transparent"><span class="23pt">3结束语</span></p> <p class="51" align="left" style="margin: 0cm 0cm 0.0001pt; line-height: 14.3pt; background: transparent;"><span class="50"><span style="font-size: 8.5pt;"> 通过对几种不同对刀方法的探讨</span></span><span class="5"><span style="font-size: 8.5pt;">，</span></span><span class="50"><span style="font-size: 8.5pt;">可以让机床操作者根据 现场情况灵活掌握不同零件的对刀方法</span></span><span class="5"><span style="font-size: 8.5pt;">，</span></span><span class="50"><span style="font-size: 8.5pt;">保证零件的加工精度， 如圆形零件一般采用百分表找圆心</span></span><span class="5"><span style="font-size: 8.5pt;">、</span></span><span class="50"><span style="font-size: 8.5pt;">方形零件采用寻边器对刀； 加工精度要求高的采用对刀仪对刀</span></span><span class="5"><span style="font-size: 8.5pt;">，</span></span><span class="50"><span style="font-size: 8.5pt;">加工精度要求低的采用试 切法对刀等。</span></span></p> <p class="51" align="left" style="margin: 0cm 0cm 0.0001pt; line-height: 14.3pt; background: transparent;"> </p> <p class="51" align="left" style="margin: 0cm 0cm 0.0001pt; line-height: 14.3pt; background: transparent;"> </p> <p class="MsoNormal"><span style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">本文由伯特利数控整理发表文章均来自网络仅供学习参考，转载请注明！</span><span style="font-size:9.0pt"> <span lang="EN-US"><o:p></o:p></span></span></p></div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <a href='/index.php?case=tag&act=show&tag=%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E5%8A%A0%E5%B7%A5%E4%B8%AD%E5%BF%83' target='_blank'>数控加工中心</a> <a href='/index.php?case=tag&act=show&tag=%E5%AF%B9%E5%88%80%E6%96%B9%E6%B3%95' target='_blank'>对刀方法</a> <a 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