Transactions of Materials and Heat Treatment

Title：Wear analysis and optimization of stamping die for support plate

Authors： Men Chao Xu Xiaodong

Unit： Chengde Petroleum College

KeyWords： support plate stamping mould wear orthogonal test service life of die

ClassificationCode：TG386.1

year,vol(issue):pagenumber：2020,45(3):131-136

Abstract：

Taking the stamping of a support plate as the research object，the wear of die during the forming process was analyzed based on Archard wear theory by finite element analysis software DEFORM-3D. The reason of wear was analyzed. In order to maximize the service life of die，the stamping speed，the friction coefficient，the die hardness and the blank holder force were chosen as process parameters, and the fourfactor and fourlevel orthogonal test was designed to optimize the process parameters. Through the range analysis and variance analysis of the orthogonal test results，the influence trend of each factor on the results was obtained. Furthermore，the optimal parameters was determined as the stamping speed of 5 mm·s-1，the friction coefficient of 0.12，the die hardness of 64 HRC and the blank holder force of 280 kN. At the same time，the service life of was predicted by simulation results.The test was conducted by the optimized parameters. It shows that the service life of die is greatly extended by the optimized parameters and it has a good consist with the simulation results，which verifies the correctness of the finite element analysis results.

Funds：

门超（1977-），男，硕士，副教授 E-mail：menchao2009@126.com 通讯作者：徐晓东（1961-），男，学士，高级实验师 E-mail：2083745766@qq.com

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