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激光烟雾处理器的净化处理方案

Source:http://en.gersun.net/Website Editor:格晟工业 The author:admin Sentiment: Date of publication:2019-11-30 14:51
 激光烟雾处理器工艺是利用高功率密度的激光束照射工件,使被照射的材料迅速熔化、汽化,同时与光束同轴的高速气流吹除熔融物质,从而实现将工件割开,因其切割工件热影响范围小,切缝平整,切割效率高等特点被众多的机械制造等行业应用。

  由于使用激光切割工件材质、大小的不同,所选用的激光切割机也各类激光切割机的类型也不相同,所产生的烟雾粉尘也不相同。激光切割类型如下:

  激光汽化切割:在高功率密度激光束的加热下,大约40%的材料汽化成蒸汽消失,60%的材料作为喷出物从切缝底部被辅助气体吹走,与空气中的细小颗粒结合,形成粉尘。

  激光融化切割:当入射的激光束功率密度超过某一值后,照射处的材料开始蒸发,形成孔洞,而光速周围的材料则被熔化。然后,与光速同轴的辅助气流把周围的熔融材料带走,形成烟尘。

  激光氧化切割:材料表面在激光束的照射下,很快被加热到燃点温度,随之与氧气发生激烈的燃烧反应,放出大量热量,使材料内部形成充满蒸汽的小孔,而小孔的周围为熔融的金属壁包围所包围,这些蒸汽和熔融物质被辅助气流带走,漂浮在作业车间,形成粉尘和烟雾。


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