Transactions of Materials and Heat Treatment

Title：Digital design technology of bottom circular corner of printed-coated aluminum covers based on Dynaform

Authors： Xian Xiaohong

Unit： Sichuan University Sichuan Vocational Technical College

KeyWords： printed-coated aluminum cover 1716 deep drawing Dynaform bottom circular corner

ClassificationCode：TG386.3+2

year,vol(issue):pagenumber：2016,41(11):143-148

Abstract：

In practical production, the rational fillet radius of printed-coated aluminum cover can be obtained by repeating grinding of punch fillet radius and repeating stamping, and the skill of die adjusting worker is required highly. Therefore, the punch is difficult to repair and needs a long adjustment period which is time-consuming and laborious. For the above problems, the drawing processes of printed-coated aluminum cover with different fillet radius were simulated by nonlinear finite element software Dynaform, and the rational size range 0.48 mm<rT3≤0.5 mm was determined by comparing and analysis on digital simulation results. Therefore, the difficulty of die adjustment was reduced greatly, and the period of die design was shorted as well as the production cost decreased. According to the experimental results and a comprehensive consideration on the accuracy requirement of printed-coated aluminum cover 1716 and machining accuracy of machine tool, rT3=0.5 mm is the relatively ideal parameter on precision and efficiency.

Funds：

四川省教育厅自然科学重点科研项目（15ZA0347）

鲜小红（1967-），男，学士，副教授

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