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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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脉冲纳秒紫外激光器切割高反材料铜
Release time:2021/09/15
脉冲纳秒紫外激光器切割高反材料铜

纯铜和黄铜属于高反金属材料,对常见波长激光的吸收率极低,同时具有良好的热传导性能,吸收的热量很快会扩散到加工区周围,影响加工质量。因此,激光切割铜一直以来都是业界要攻克的挑战。
作为高反材料的纯铜/紫铜,基本上不能用CO2激光束实施切割。光纤激光切割铜,虽然切割效果好,但因为铜属于高反光材料,因此,激光长期作用在这些材料上可能会影响使用寿命导致后续加工效果不好,还会增加耗材的使用量。
铜箔切割的难度在于切割边缘无碳化、无毛刺,不会使铜箔变形,实现卷对卷加工模式。采用传统的激光切割机,如光纤激光切割机方式热影响大、精度相对紫外激光切割机低,边缘碳化严重,边缘的热影响会使得铜箔翘起变形。紫外激光切割机的加工模式采用振镜扫描方式,底部采用真空吸附,冷光源减小热影响,能实现对铜箔的完美切割。
关键词: 紫外绿光激光器
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