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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">调试激光切割机精度的必备知识 </h1> <p class="xg1"> 时间：2016-2-17 15:05<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1985)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=4026&idtype=aid" title="查看全部评论"><em id="_commentnum">6</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>激光切割机使用一段时间后，切割精度会有一定的误差，这种误差往往是由于焦距的改变造成的。所以，掌握如何调试精度是操作激光切割机必备知识，下面小编就来给大家普及一下。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div style="text-align: center;"> <a href="data/attachment/portal/201602/17/152101tln2zusnb6nkbbbo.jpg" target="_blank" style="line-height: 1.8em;"><img src="data/attachment/portal/201602/17/152101tln2zusnb6nkbbbo.jpg"></a></div><div style="text-align: left;"> <a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>切割机使用一段时间后，切割精度会有一定的误差，这种误差往往是由于焦距的改变造成的。所以，掌握如何调试精度是操作激光切割机必备知识，下面小编就来给大家普及一下。</div><div><b> 影响激光切割精度四种要素 ：</b></div><div> 从事激光切割设备生产和<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>的人士都知道切割精度是衡量机好坏的一个 重要组成部分， 初入行者购买设备的时候就要注意了。其实金属激光切割机和非金属激光切割机的精度并非完全取决于激光切割机设备本身， 而是由多方面因素组成，现在大家介绍一下影响激光切割精度的四大要素： </div><div> 1.激光光束形状</div><div> 激光器发出的光束为锥形，所以切出来的缝隙也是锥形，在这种情况下，厚度 0.4MM 的不锈钢就会比 3MM 的切缝小的多。因此，激光光束的形状取决于影响金属激光切割机切割精度的一大要素。 在这种锥形的激光光束条件 下，工件厚度越大，精度也就会越低，因此切缝越大。 </div><div> 2.光斑大小</div><div> 当锥形的激光光束聚集在一起之后，此时的会越变越小，因此该激光切割的精度也变得越来越高， 特别是切缝的幅面也就变得越来越小。在这个时候最小的光斑可以达到 0.01mm。 这也是影响激光切割机切割精度的要素之一。</div><div> 3.不同材质的切割精度也稍有不同</div><div> 即使是同一材质,如果<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>的成分不同,切割的精度也会有差异。因此，工件材质对激光切割精度也有一定的影响。</div><div> 4.工作台的精度</div><div> 若工作台精度不平或者其它原因也会导致高精度的激光切割效果 </div><div><b> 激光切割机精度调试方法：</b></div><div> 1.焦点激光的光点被调成最小的时候，进行点射建立最初效果，通过光斑效果的大小来判断焦距位，我们只要认准激光的光点到了最小的时候，那么这个位置就是最佳的加工焦距，进而开始加工工作。</div><div> 2.在激光切割机调试的前部分，我们可以利用一些调试纸，工件废料来点射判定焦距位置的准确性，移动上下激光头高度的位置，激光光斑大小点射时就会有不同的大小变化。多次进行不同位置的调整，找出最小的一个光点位置来确定焦距和激光头的最佳位置。</div><div> 3.激光切割机在安装完毕后，会在数控切割机的割嘴上装一个划线装置，通过划线装置划一个模拟切割图形，模拟图形为1m的正方形。内置一个直径为1m的圆，四角分别划上对角线，划完后，用<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>工具测量所划的圆是不是和正方形的四个边相切。正方形对角线长度是否为√2(开根号得出的数据约为：1.41m)，圆的中轴线应该平分正方形的边，及中轴线与正方形两条边相交的点到正方形两边交点的距离应该为0.5m。<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>对角线和交点之间的距离，即可判断出设备的切割精度。这可是实打实的经验哦！</div><div style="text-align: center;"><p><a href="data/attachment/portal/201602/17/151721qdcdbb11blt507zb.jpg" target="_blank"><img src="data/attachment/portal/201602/17/151721qdcdbb11blt507zb.jpg"></a></p><p class="MsoNormal" style="text-align: center;"><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:0.0000pt;">欢迎关注光电<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>微信公众号，每天将由光电工程师<a href="http://club.oecr.com" target="_blank" class="relatedlink">社区</a>网站(oecr.com)编辑团队为您精选行业动态，科技资讯，技术解析，光电<a href="http://www.oecr.com/portal.php?mod=list&catid=62" target="_blank" class="relatedlink">科普</a>等精彩内容。 </span><span 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