用调q重复脉冲CO2激光在材料强烈蒸发条件下切割铝合金

V. Shulyatyev, A. Orishich
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引用次数: 2

摘要

本文介绍了在材料强烈蒸发条件下,用q开关重复脉冲CO2激光切割铝锂合金的实验研究结果。确定了切割质量对辅助气体压力的依赖关系。结果表明,在0.5 ~ 0.6 bar的气体压力下,可以获得板材厚度为1.5 mm的高质量切割,与连续激光功率切割相比,切割效果明显降低。这使得减少辅助气体消耗成为可能。测量了切割表面粗糙度与脉冲重复率的关系。本文介绍了在材料强烈蒸发条件下,用q开关重复脉冲CO2激光切割铝锂合金的实验研究结果。确定了切割质量对辅助气体压力的依赖关系。结果表明,在0.5 ~ 0.6 bar的气体压力下,可以获得板材厚度为1.5 mm的高质量切割,与连续激光功率切割相比,切割效果明显降低。这使得减少辅助气体消耗成为可能。测量了切割表面粗糙度与脉冲重复率的关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cutting of aluminum alloys with a Q-switched repetitively pulsed CO2 laser under conditions of intense material evaporation
The results of an experimental study of laser cutting of aluminum-lithium alloys using a repetitively pulsed CO2 laser with Q-switching under conditions of intense material evaporation are presented. The dependence of cut quality on the assisted gas pressure is determined. It is shown that a high-quality cut with a sheet thickness of 1.5 mm can be obtained at a gas pressure of 0.5–0.6 bar, which is significantly less compared to cutting with a continuous laser power. This makes it possible to reduce the assisted gas consumption. The dependence of cut surface roughness on the pulse repetition rate is measured.The results of an experimental study of laser cutting of aluminum-lithium alloys using a repetitively pulsed CO2 laser with Q-switching under conditions of intense material evaporation are presented. The dependence of cut quality on the assisted gas pressure is determined. It is shown that a high-quality cut with a sheet thickness of 1.5 mm can be obtained at a gas pressure of 0.5–0.6 bar, which is significantly less compared to cutting with a continuous laser power. This makes it possible to reduce the assisted gas consumption. The dependence of cut surface roughness on the pulse repetition rate is measured.
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