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Influence of Drawbead Parameter on Quality of Automobile Panel Forming
Author(s): 
Pages: 98-100
Year: Issue:  19
Journal: Hot Working Technology

Keyword:  汽车覆盖件有限元冲压成形拉延筋;
Abstract: 汽车覆盖件冲压成形质量很难控制,容易出现拉裂、变薄、起皱、未充分成形等缺陷.为了防止这些缺陷的出现,通常在模具上设置拉延筋来调节和控制坯料流动,从而提高成形质量,因此,拉延筋设计对冲压模具设计起着至关重要的作用.应用有限元数值模拟技术,对某汽车的引擎罩进行冲压成形分析,得出了拉延筋参数对引擎罩冲压成形质量的影响规律,为引擎罩冲压模具的拉延筋设计提供理论依据.
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