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As the leading industrial solid-state laser manufacturer,RFH laser company offer 355nm ultraviolet (UV) laser,nanosecond 532nm green laser and customized laser ,power range in 3W ,5W ,10W ,15W,18W,35W,for marking plastics,gla
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Shenzhen RFH Laser Technology Co.,Ltd was founded in 2007 with headquarters in Shenzhen High-Tech Industrial Park, branch offices in Wuhan and Suzhou and production base in Huiyang.
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After 16 years of development, RFH now has an industrial laser oriented R&D team made up of top professionals and experts from both home and abroad. Its R&D departments cover engineering, laser and electric.
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为什么紫外激光器打标机在塑料上打标会变色?
Release time:2021/09/15

紫外激光打标机由于聚焦光斑极小,且加工热影响区小,因而可以进行超精细打标、特殊材料打标,是对打标效果有更高的要求客户的首选产品。
细心的朋友会发现,紫外激光打标机在塑料材质上打标,会呈现出标识效果清晰的黑色,不仔细看的话,可能会认为是油墨喷码机的杰作,我们都知道,激光打标机的工作原理是用更高能量的激光束以破坏物体表面为基础进而实现标识效果,如果是金属,颜色改变,我们可以理解为打出了材质的底色,但是塑料材质和金属有着本质的区别,塑料材质打标变色是什么原因呢?这也是今天欧朗斯要为大家分享的关键点。
紫外激光打标机在塑料材质上打标,原理是其改变材料表面下的颜色,比如碳化作用。当使用紫外激光打标机时,发黑打标效果就是通过紫外激光打标机有选择地碳化塑料表面下层来实现。热能的输入被限定在一个很小的指定区域内,从而使打标的内容和背景材料明显区分开来,很容易辨识,给我们的视觉感受就是非常清晰、美观。
关键词: 紫外激光器
Previous: CO2或紫外激光器打标在塑料包装上打标效果如何?
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