Transactions of Materials and Heat Treatment

Title：Optimization on blanking process parameters for cushion segment based on orthogonal experiment

Authors： Mu Rui Zhu Xiaohong Wang Xiaoli

Unit： Lianyungang Technical College

KeyWords： cushion segment blanking punch wear burr blanking clearance

ClassificationCode：TG386

year,vol(issue):pagenumber：2016,41(8):159-162

Abstract：

For cushion segment, the blanking punch wear was numerically simulated by finite element software Deform-3D, and its wear process was analyzed. The simulation results show that the wear form of punch changes from the end surface to the side wall during the blanking process. In addition, the technological parameters of cushion segment were optimized by orthogonal experiment, and the significant influence of blanking clearance on the punch wear was obtained by variable analysis. Furthermore, the sequence of influencing factors is die clearance, fillet radius of punch and stamping speed respectively by range analysis, and the optimized technological parameters are obtained as blanking clearance 12% of the thickness of sheet metal, fillet radius of punch 0.02 mm and stamping speed 5 mm·s-1 respectively. Thus, the maximum wear depth of punch is reduced from 2.84×10-6 mm to 2.68×10-6 mm, and it is a good guidance for practical production in enterprises.

Funds：

连云港市中小企业技术创新项目(CK1411)

穆瑞（1975-），男，硕士，副教授

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