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以波形片为研究对象,利用Deform-3D有限元软件对冲裁凸模的磨损进行数值模拟,分析了冲裁凸模的磨损过程,模拟结果表明:随着冲裁过程的进行,凸模的磨损由端面磨损向侧壁磨损转变。此外,利用正交试验对波形片冲裁的工艺参数进行优化,通过正交试验的方差分析得出冲裁间隙对波形片冲裁凸模磨损的影响比较显著,并通过极差分析得出工艺参数对波形片冲裁凸模磨损影响的主次关系依次为:冲裁间隙、凸模刃口圆角半径、冲压速度,并且得出优化后的冲裁工艺参数,即冲裁间隙为12%t(t为板料的厚度),凸模的刃口圆角半径为0.02 mm,冲压速度为5 mm·s~(-1)。冲裁凸模的最大磨损量由优化前的2.84×10-6mm减小为优化后的2.68×10-6mm,从而较好地指导企业的生产。
Taking the corrugated sheet as the research object, the Deform-3D finite element software was used to simulate the wear of the punched punch. The wear process of the punched punch was analyzed. The simulation results show that with the punching process, the punch wear Wear and tear from the end to the sidewall wear and tear change. In addition, using orthogonal test to optimize the technological parameters of the corrugated sheet blanking, the variance analysis of the orthogonal test shows that the blanking clearance has a significant impact on the wear of the corrugated sheet blanking punch, and the process The primary and secondary factors that affect the wear of the corrugated sheet punching punch are as follows: the punching gap, the radius of the punch edge, the punching speed, and the optimized punching process parameters are obtained, that is, the blanking clearance is 12% t (t is the thickness of the sheet). The punch radius is 0.02 mm and the punching speed is 5 mm · s -1. The maximum amount of wear punching punch from the pre-optimization of 2.84 × 10-6mm reduced to 2.68 × 10-6mm optimized, so as to better guide the production of enterprises.