Transactions of Materials and Heat Treatment

Title：Wear analysis and optimization on stainless steel stamping die based on orthogonal test

Authors： Xie Hui Zhao Licheng Wang Hangyan Huang Kang

Unit： Hunan University

KeyWords： stamping die die wear orthogonal test numerical simulation parameter test

ClassificationCode：TG76

year,vol(issue):pagenumber：2017,42(10):132-137

Abstract：

Die wear is one of the important factors affecting the service life of die. The influences of die hardness, friction coefficient and stamping speed of stainless steel stamping dies on stamping die wear were evaluated comprehensively by combining orthogonal test with numerical simulation, and the optimal combination of factors was determined. For the stamping die of automobile muffler shell, a computer aided engineering model of stamping parts and dies was established, and the design of simulation scheme was conducted by orthogonal test and parameter test respectively. Through the orthogonal test analysis, the influences of various factors on die wear were obtained in the order from big to small as follows die hardness, friction coefficient, stamping speed, and the die hardness and friction coefficient have a significant effect on die wear by the range analysis and variance analysis. Furthermore, comparing the parameter test with the orthogonal test, the amount of wear obtained by the orthogonal test is 61% lower than that obtained by the parameter test. The optimal combination is that die hardness of 65 HRC, friction coefficient of 0.08 and stamping speed of 200 mm·s-1 respectively. Thus, it provides a reference for reducing the die wear.

Funds：

国家科技重大专项（2014ZX04002-071）；2016年湖南省战略性新兴产业科技攻关项目（2016GK4008）

作者简介：谢晖（1971-），男，博士，教授，E-mail：danielxie@163.com；通讯作者：赵笠程（1994-），男，硕士研究生，E-mail：786548109@qq.com

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