高强钢板梁类零件冷冲压回弹控制方法研究

Automobile Technology & Material(2020)

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Abstract
钢板梁类零件具有屈服强度高、厚度大等特点,在冲压成形时易产生回弹,导致侧壁出现内凹不平的缺陷.采用工艺优化和CAE分析技术相结合的方法,对某车型梁类零件全工序成形及回弹过程进行了仿真模拟分析,在设计前期将零件回弹及侧壁内凹问题解决,将零件的回弹量控制在尺寸精度要求范围内,缩短了模具开发周期,减少了零件整改轮次并降低了整改成本.
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