Laser assisted cutting of silicon steel on cold rolling production line

XIN Li-jun; WANG Zhi-yong

doi:10.3788/OPE.20142205.1150

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Laser assisted cutting of silicon steel on cold rolling production line

更新时间：2020-08-13

- Laser assisted cutting of silicon steel on cold rolling production line
- Optics and Precision Engineering Vol. 22, Issue 5, Pages: 1150-1156(2014)
- 作者机构：
  
  北京工业大学激光工程研究院北京,100124
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20142205.1150
  CLC： TG485
- Received：05 June 2013，
  
  Revised：18 July 2013，
  
  Published：25 May 2014
- 稿件说明：
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辛立军, 王智勇,. 冷轧生产线硅钢激光辅助切割有限元模拟[J]. 光学精密工程, 2014,22(5): 1150-1156

XIN Li-jun, WANG Zhi-yong,. Laser assisted cutting of silicon steel on cold rolling production line[J]. Editorial Office of Optics and Precision Engineering, 2014,22(5): 1150-1156
辛立军, 王智勇,. 冷轧生产线硅钢激光辅助切割有限元模拟[J]. 光学精密工程, 2014,22(5): 1150-1156 DOI： 10.3788/OPE.20142205.1150.

XIN Li-jun, WANG Zhi-yong,. Laser assisted cutting of silicon steel on cold rolling production line[J]. Editorial Office of Optics and Precision Engineering, 2014,22(5): 1150-1156 DOI： 10.3788/OPE.20142205.1150.

摘要

研究了激光加热辅助圆盘剪高速切割技术，以解决现有冷轧生产线硅钢切边技术存在的微裂纹、应力、毛刺和边浪等问题。建立了激光加热温度场有限元分析模型，根据生产线上圆盘剪加工的实际过程，探讨了数值模拟中热源的加载形式，研究了激光对板材进行辅助加热时各个工艺参数如激光功率、光斑尺寸以及激光入射角度对切割工艺的影响，并通过实验对工艺参数进行了优化。最后，进了验证实验。实验结果显示：当激光加热点运动至圆盘剪刃口位置时，温度为100℃左右，此时材料硬度降低到原有硬度的70%~80%，降低了切削力，减少了圆盘剪的磨损，可有效提高圆盘剪的寿命。

Abstract

Laser assisted trimmer side cutting technology was studied to overcome the problems such as micro cracks

stress

burrs and edge waves existing in a cold rolling production line of silicon steel side cutting. A finite element analysis model for the laser hearting temperature field was established

the loading form of a heating source was determined and influences of various processing parameters like laser powers

spot sizes

and laser incident angles on laser assisted heating sheet materials were discussed according to the actual process of a cold rolling production line.These processing parameters were optimized in experiments.It is proved that the temperature is about 100℃ when the laser heated spot is moved to the blade position of trimmer.At this time

the hardness of the material drops to 70% to 80% and the cutting forces is declined. As a result

the wear of cutting trimmer is reduced and the life of the cutting trimmer is improved effectively.

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references

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