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激光淬火在汽车模具制造业中的应用研究

张开熙, 刘永超, 周铁军, 伍 东, 李 刚
成都普什汽车模具有限公司 (四川成都 610031)
【摘要】介绍了激光淬火的原理与设备, 针对当前3种常见的淬火形式进行了对比和分析,
突出了激光淬火在汽车模具制造的优势, 并对激光淬火的力学性能进行了相关研究, 首先
采用3种材料对激光淬火的硬度和深度进行了试验研究, 其次采用有限元软件模拟了感应
淬火的残余压应力的数值大小, 通过分析能够为镶件的缓和应力集中和预判镶件淬火开
裂提供理论依据。
关键词: 激光淬火; 汽车模具; 残余压应力; 热应力
中图分类号: TG659; TG142 文献标识码: B
Research and Application on the Laser Quenching
in the Automobile Die Manufacturing
【Abstract】In this paper the principle and application equipment for the laser quenching are
introduced, the analysis and comparison in the current three common forms of quenching are
carried out,it highlighted the advantages of the laser quenching in automobile die manufacturing,
secondly the related research on the mechanical property of laser quenching has carried on, in
the first, the hardness and depth between three kinds of materials for laser quenching were
studied, secondly the residual compressive stress of the induction hardening numerical size is
simulated by finite element software, it is favourable for the theory basis in the place of break
stress concentration and cracking anticipation insert.
Keywords: laserquenching;automobiledie;residualcompressive stress;thethermalstress

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