吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (2): 494-499.doi: 10.13229/j.cnki.jdxbgxb201602024

• 论文 • 上一篇    下一篇

杯形件二次拉深的应力分析

郭哲锋, 汤文成   

  1. 东南大学 机械工程学院,南京 211189
  • 收稿日期:2014-07-06 出版日期:2016-02-20 发布日期:2016-02-20
  • 通讯作者: 汤文成(1958-),男,教授,博士生导师.研究方向:CAD/CAE/CAM/PPM/ERP.E-mail:tangwc@seu.edu.cn E-mail:gdxtfj@163.com
  • 作者简介:郭哲锋(1983-),男,博士研究生.研究方向:机械结构动态分析,优化与控制.E-mail:gdxtfj@163.com
  • 基金资助:
    国家重大科技专项项目(2012ZX0401031)

Stress analysis of cup-shaped parts in secondary deep drawing

GUO Zhe-feng, TANG Wen-cheng   

  1. School of Mechanical Engineering, Southeast University, Nanjing 211189, China
  • Received:2014-07-06 Online:2016-02-20 Published:2016-02-20

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摘要： 为了研究二次拉深成形理论,提出了二次拉深拉应力的理论模型.首先,通过理论分析得到了拉应力的计算公式,应用Swift失稳理论建立了极限二次拉深系数的计算方法.然后,通过二次拉深成形模拟检验了计算模型的精度,并通过成功的二次拉深成形实验对计算模型的适用性进行了检验.检验结果表明:拉深力和极限二次拉深系数的理论模型具有较高的计算精度.

关键词: 机械制造工艺与设备, 二次拉深, 拉应力, 拉深系数

Abstract: In order to study the secondary deep drawing forming theory, the tensile stress theoretical model of secondary deep drawing is proposed. First, by theoretical analysis, the calculation formula of tensile stress is deduced, and the calculation method of the limited secondary deep drawing coefficient is established based on the Swift instability theory. Second, the accuracy of the calculation model is examined by secondary deep drawing simulation, and the applicability of the calculation model is verified by means of successful secondary deep drawing forming experiment. The results show that the theoretical model of the tensile stress and the limited secondary deep drawing coefficient has high precision.

Key words: machinery manufacturing technology and equipment, secondary deep drawing, tensile stress, deep drawing coefficient

中图分类号: 

  • TG386
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