Transactions of Materials and Heat Treatment

Title：Influence of process parameters on forming quality for automobile aluminum alloy sealing plate and prediction of die life

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ClassificationCode：TG386.3

year,vol(issue):pagenumber：2022,47(7):107-111

Abstract：

For the aluminum alloy sealing plate, the crack defects which were easy to appear in the stamping process were analyzed. Then, taking the maximum thinning rate of the formed sealing plate as the evaluation object, the orthogonal experiments on the die fillet, blank holder force and clearance between punch and die were carried out by the finite element analysis method, and the influence degrees of various factors on the maximum thinning rate were studied. Based on the signal-to-noise ratio, the stamping process parameters were optimized by Taguchi algorithm. In addition, based on the Archard model, the wear conditions of stamping mold under the optimized process was studied, the function fitting formula between stamping times and stamping die wear was established, the error between the single wear prediction life and the average wear prediction life was compared, and the die life was reasonably predicted. The actual stamping production shows that the research has a certain guiding role and effectively reduces the time cost.

Funds：

安徽省高等学校自然科学研究项目（KJ2021A1559）

作者简介：黄忠（1981-），男，学士，副教授 E-mail：huangz198110@163.com

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