【作者】 张莉； 吴开腾；

【Author】 Zhang Li~1,Wu Kai-teng~2 (1.Beijing Institute of Technology,Beijing 100081 2.Key Laboratory of Numerical Simulation of Sichuan Province,Neijiang Normal University, Neijiang 641112,China)

【机构】 北京理工大学 爆炸科学与技术国家重点实验室； 内江师范学院 四川省高等学校数值仿真重点实验室；

【摘要】 以薄钢板为原料,建立了ANSYS冲压有限元模型,讨论了材料的相变对弹性模量的影响及其对冲压成形的回弹现象的影响,获得了冲压成形仿真模拟效果,以及成形过程中的应力、应变等状态的变化.数值模拟结果表明,考虑材料的弹性模量的相变能够较好地预测薄钢板沖压成形的过程和回弹,为薄钢板的沖压成形工艺设计提供理论参考,从而减少实验方案数量和时间,降低生产成本,提高生产效率.更多还原

【Abstract】 The analysis software ANSYS was used to establish the finite element model of sheet steel stamping,and the phase change material effect on the modulus of elasticity and its influence on stamping rebound phenomenon was discussed.The situation of its stress and strain could be obtained during the stamping process.The simulation results show that considering material phase change of the elastic modulus could well predict sheet metal stamping process and springback phenomenon.It was provided theoretical reference,reducing the experimental plan number and time,reducing production cost and improve production efficiency for sheet metal stamping process.更多还原