Finally, how the cutting parameters influence the cutting quality is researched by experiment. The cutting parameters include laser power, cutting speed, gas pressure, pulse frequency and duty, incident angle and focus position.
最后,通过试验的方法研究三维激光切割工艺参数对切割质量的影响,工艺参数选取:激光功率、脉冲频率和占空比、切割速度、辅助气体的压力、光束入射角和焦点位置;切割质量的评定选取:切缝宽度、切割面粗糙度、切割面波纹和热影响层深度。
参考来源 - 车身覆盖件的三维激光切割工艺研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The real focus position is much affected by the size of incident pupil.
同时实际焦点位置与入瞳大小紧密相关。
So focus position is highlightedly important to the result of detecting discontinuity.
对于焦柱的位置的确定直接影响着检测结果的好坏。
Detection and control of the laser beam focus position is one of the key technologies to ensure laser beam cutting processing quality.
激光焦点位置的检测与控制是激光切割系统中的关键技术之一。
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