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基于广义成形理论的冲压翘曲缺陷的消除方法

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Indexed by:期刊论文

Date of Publication:2014-06-15

Journal:材料科学与工艺

Included Journals:PKU、ISTIC、CSCD

Volume:22

Issue:3

Page Number:86-92

ISSN No.:1005-0299

Key Words:FEA;汽车覆盖件;冲压仿真;翘曲;消除方法

Abstract:针对覆盖件冲压成形中的翘曲缺陷,阐述了翘曲产生的原因,在有限元环境下,从调节金属流动的角度出发,基于广义成形理论,提出一种通过调整金属流动使得应变分布均匀或对称,从而消除翘曲缺陷的方法,并编写针对性的有限元分析软件模块SFT Shape Change,通过算例验证了该方法的有效性。

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