Optik ( IF 3.1 ) Pub Date : 2021-06-21 , DOI: 10.1016/j.ijleo.2021.167481 Congyi Wu , Weinan Liu , Min Li , Yu Huang , Guojun Zhang , Youmin Rong
Laser precision cutting process of phenolic resin plates (PRP) has attracted widespread attention, but at this stage, this work is carried out without understanding the hazards of process by-products and process mechanism. Here, mechanism of PRP ultraviolet (UV) nanosecond laser precision cutting process has been assessed based on by-product composition analysis. Composition of solid residue in cutting seam and generating gas during cutting process are analyzed, while benzene and phenol in gas by-products are potentially toxic. Quality of PRP UV nanosecond laser precision cutting process have been also analyzed using orthogonal experiment analysis. The smallest width (50.3 ± 3.1 µm) of cutting seam were obtained at UV laser cutting parameters combination of 4.04 W-1000 mm/s-9, and width of burr-like heat affected zone (HAZ) was 57.5 ± 4.7 µm. It turned out that UV laser precision cutting of PRP is feasible, but corresponding protective measures must be taken.
中文翻译:
紫外纳秒激光烧蚀调控酚醛树脂板精密切割
酚醛树脂板(PRP)的激光精密切割工艺引起了广泛关注,但现阶段,这项工作是在没有了解工艺副产品的危害和工艺机理的情况下进行的。在此,基于副产物成分分析评估了 PRP 紫外 (UV) 纳秒激光精密切割工艺的机理。分析了切割缝中固体残留物的成分和切割过程中产生的气体,而气体副产品中的苯和苯酚具有潜在的毒性。PRP紫外纳秒激光精密切割工艺质量也采用正交试验分析法进行了分析。在紫外激光切割参数组合为 4.04 W-1000 mm/s-9 时,切割缝的最小宽度 (50.3 ± 3.1 µm),毛刺状热影响区 (HAZ) 宽度为 57.5 ± 4.7 µm。