Transactions of Materials and Heat Treatment

Title：Digtalized design technology of drawing die clearance for printed and coated aluminum covers based on Dynaform

Authors： Xian Xiaohong

Unit： Sichuan University Sichuan Vocational Technical College

KeyWords： printed and coated aluminium cover deep drawing Dynaform die unilateral clearance wall thickness

ClassificationCode：TG386.3+2

year,vol(issue):pagenumber：2017,42(1):41-46

Abstract：

The drawing processes of 1716 printed and coated aluminium cover under different die unilateral clearances were simulated by the nonlinear finite element analysis software Dynaform, and the curves of the maximum wall thickness, difference values between the maximum and the minimum wall thicknesses, wall thickness reduction ratio and the minimum wall thickness versus die unilateral clearance were analyzed. At the same time, the process characteristics, requirements, wear characteristics of drawing die, die life and so on were comprehensively considered. At last, a reasonable range of the drawing die unilateral clearance was determined and verified by practical production. The results show that the reasonable range of the drawing die unilateral clearance is 0.30-0.31 mm. When the die unilateral clearance is 0.31 mm, the minimum wall thickness is the thickest, while the reduction ratio is the smallest. Considering the wear characteristics and die life requirements, the drawing die unilateral clearance is recommended as 0.3 mm so as to produce a qualified production.

Funds：

四川省教育厅自然科学重点科研项目（15ZA0347）

作者简介：鲜小红（1967-），男，学士，副教授 E-mail：2682453521@qq.com

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