Research on precision control of sheet metal forming by laser shock waves with semi-die

Research on precision control of sheet metal forming by laser shock waves with semi-die
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半模激光冲击波板料成形精度控制研究

DOI:
10.1016/j.optlastec.2012.05.025
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发表时间:
2013-02
影响因子:
5
通讯作者:
Xiaoming Qian
Xiaoming Qian
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Yinfang Jiang;Yu Huang;Hua Jin;Yongyu Gu;Aiguo Ren;Liwei Huang;Xiaoming Qian

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激光冲击成形是一种利用高能脉冲激光产生的冲击波使板料产生塑性变形的新技术。然而,用这种方法很难控制成形精度。对半模激光冲击成形过程中板料的运动进行了分析。提出了激光脉冲能量优化的成形精度控制方法、基于反分析的模具修正与补偿方法和半模激光冲击成形精度表征方法。采用Nd:Glass脉冲激光器对恒弹性合金3J53板材进行了激光冲击半模成形实验。实验结果表明,激光冲击半模成形精度控制的最佳激光脉冲能量为15 J,采用轮廓修正和补偿方法可使成形误差减小50%以上。为激光冲击半模成形精度控制理论的形成和激光冲击成形技术的工程应用奠定了基础。
Laser shock forming is a new technique which enables sheet metal to produce plastic deformation through shock waves induced by high energy pulsed laser. However, it is difficult to control the forming precision with such technique. This paper provided the kinetic analysis of sheet metal during the progress of laser shock forming with semi-die. It also developed the method of forming precision control with optimal laser pulse energy, method of die modification and compensation based on reverse analysis and method of characterizing the precision of laser shock forming with semi-die. The Nd:Glass pulse laser was used in the laser shock semi-die forming experiment of constant elastic alloy 3J53 sheet metal. The experiment results show that the optimal laser pulse energy of precision control in laser shock semi-die forming is 15J; and forming error can be reduced by more than 50% with the method of contours modification and compensation. The research work also lays a foundation for the theory formation of precision control of laser shock semi-die forming and the engineering applications of the laser shock forming technique.
DOI: 10.1201/9780203755969
发表时间: 1982-01
影响因子: 6.8
作者:
M. Giovanni
通讯作者: M. Giovanni
DOI: --
发表时间: 2005
期刊: Chinese Journal of Lasers
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期刊: Optics and Precision Engineering
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