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href='http://www.simonredekop.com/news/165.html'>http://www.simonredekop.com/news/165.html</a></span>  更新时间?019-07-30</div> <div class="mm"><a target="_blank" href="http://www.simonredekop.com/news/165.html"><a href="http://www.simonredekop.com/tjjgq/" target="_blank">天津激光切</a>割加工时穿刺点如何选择</a><br />        激光切割加工时激光束的工作原理是:在加工过程中,材料经连续激光的照射后在中心形成一个凹坑, 然后由与激光束同轴的工作气流很快将熔融材料去除形成一个孔。线切割的穿线孔,激光束以此孔为加工启始点进行轮廓切割,通常情况下飞行光路激光束的走线方向和被加工零件切割轮廓的切线方向垂直?br /> <div style="text-align:center;"> <img src="/uploads/image/20190730/20190730090119_4121.jpg" alt="" width="500" height="286" title="" align="" />  </div>        激光束在开始穿透钢板时到进入零件轮廓切割的这一段时间,其切割速度在矢量方向上将有一个很大的改变,即矢量方向?0°旋转,由垂直于切割轮廓的切线方向转为与切割轮廓的切线重合,即与轮廓切线的夹角?°。这样就会在被加工材料的切割断面上流下比较粗糙的切割面,这主要是在短时间内,激光束在移动中的矢量方向变化很快所至?br />        激光切割钣金件是一项先进的制造加工技术,不仅可以大大降低研发周期,模具制造成本,而且提高了质量及生产效率,有利于改善制造行业的技术及设备革新。实际应用中,需要我们在不断地积累经验,不断地了解和实践,让这项新技术为我们的生产力提高发挥应有的贡献?br />        在采用激光切割加工零件时就要注意这方面的情况。一般,在设计零件对表面切割断口没有粗糙度要求时,可以在激光切割编程时不做手动处理,让控制软件自动产生穿刺点;当设计对所要加工的零件切割断面有较高粗糙度要求时,就要注意到这个问题,通常需要在编激光切割程序时对激光束的启始位置做手动调整,即人工对于穿刺点的控制。需要把激光程序原来产生的穿刺点移到需要的合理位置,以达对加工零件表面精度的要求?br /></div> <div class="newArtiNext"><div>上一?<a href="166.html">中走丝切割机床加工条件有哪些</a></div> <div>下一?<a href="164.html">中走丝线切割机床在应用机械精度的改变</a></div> </div> <div class="tag">相关标签?/div> </div> <div class="insPro">相关新闻</div> <div class="insNews"> <ul> <li><a href="/news/173.html">​​中走丝多次切割过程中的技?/a><span>2020-01-08</span></li> <li><a href="/news/172.html">线切割机床误差解决办法有什?/a><span>2019-12-25</span></li> <li><a href="/news/171.html">伺服中走丝线切割机的伺服电机如何抗干?/a><span>2019-12-11</span></li> <li><a href="/news/170.html">中国数控机床行业现状分析</a><span>2019-12-04</span></li> </ul> </div> <div class="insPro">相关产品</div> <ul class="relpro"> <li> <a rel="nofollow" href="/supply/69.html" title="剪板机厂?><img 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