西安激光切割加工怎样做到高精度

摘要：<span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">西安激光切割加工怎样做到高精度</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;"><a href="163.html" target="_blank">西安激光切割</a>是激光加工中技术应用(yòng)非常广泛的加工方法，是激光加工行业中一项特别重要的应用(yòng)技术，激光切割已广泛地应用(yòng)于汽車(chē)、航空、化工、等工业部门中。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">西安激光切割的原理(lǐ)是将激光束照射到工件表面时释放的能(néng)量来使工件融化并蒸发，以达到切割和雕刻的目的。切割精度是衡量激光切割机加工效果的一个重要组成部分(fēn)，但是激光切割精度也不完全取决于设备本身，而是由多(duō)方面因素组成。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">其中，影响西安激光切割加工精度的几个重要因素：</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">1</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、激光束通过聚焦后的光斑的大小(xiǎo)：激光束聚集后的光斑越小(xiǎo)，激光切割加工精度越高，特别是切缝较小(xiǎo)，*小(xiǎo)的光斑可(kě)达</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.01mm</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">2</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、工作台的走位精度决定着激光切割加工的重复精度，工作台精度越高，切割的精度越高。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">3</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、工件厚度越大，精度越低，切缝越大。由于激光光束為(wèi)锥形，切缝也是锥形，厚度</span><span style="font-family:'Times New Roman';"><span lang="EN-US">0.3MM</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">的材料比</span><span style="font-family:'Times New Roman';"><span lang="EN-US">2MM</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">的切缝小(xiǎo)的多(duō)。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">4</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">、工件材质对<a href="163.html" target="_blank">激光切割精度</a>有(yǒu)一定影响。同样情况下，不同材质的切割精度也稍有(yǒu)不同</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">即使是同一材质</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">如果材料的成分(fēn)不同</span><span style="font-family:'Times New Roman';"><span lang="EN-US">,</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">切割的精度也会有(yǒu)差异。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">那么，<a href="163.html" target="_blank">激光切割</a>加工时怎么才能(néng)做到高精度呢(ne)？以下是提高激光切割加工精度的几个关键技术：</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">一、焦点位置控制技术。聚焦透镜焦深越小(xiǎo)，焦点光斑直径就越小(xiǎo)，因此控制焦点相对于被切材料表面的位置十分(fēn)重要。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">二、切割穿孔技术。任何一种热切割技术，除少数情况可(kě)以从板边缘开始外，一般都必须在板上穿一小(xiǎo)孔。早先在激光冲压复合机上是用(yòng)冲头先冲出一孔，然后再用(yòng)激光从小(xiǎo)孔处开始进行切割。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">三、嘴设计及气流控制技术。激光切割钢材时，氧气和聚焦的激光束是通过喷嘴射到被切材料处，从而形成一个气流束。对气流的基本要**进入切口的气流量要大，速度要高，以便足够的氧化使切口材料充分(fēn)进行放热反应</span><span style="font-family:'Times New Roman';"><span lang="EN-US">;</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">同时又(yòu)有(yǒu)足够的动量将熔融材料喷射吹出。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">激光切割无毛刺，皱折、精度高，优于等离子切割。对许多(duō)机電(diàn)制造行业来说，由于微机程序的现代化激光切割系统能(néng)方便切割不同形状与尺寸的工件</span><span style="font-family:'Times New Roman';"><span lang="EN-US">(</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">工件图纸也可(kě)修改</span><span style="font-family:'Times New Roman';"><span lang="EN-US">)</span></span><span style="font-family:宋體(tǐ);mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">，它往往比冲切、模压工艺更被优先选用(yòng)；尽管它加工速度慢于模冲，但它没有(yǒu)模具消耗，无需修理(lǐ)模具，还节约更换模具时间，从而节省加工费用(yòng)，降低产品成本，所以从总體(tǐ)上讲在经济上更為(wèi)合算。这也正是其受到欢迎的原因。</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span lang="EN-US"><span style="font-family:'Times New Roman';font-size:small;">&nbsp;</span></span> </p> <span style="font-family:宋體(tǐ);font-size:small;"> </span>