Volume 30 Issue 5
May  2015
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DANG Yu-gong, DENG Xiao-zhong, JIANG Chuang, NIE Shao-wu. Compensation of springback error in a cold rotary forging method for hypoid gear[J]. Journal of Aerospace Power, 2015, 30(5): 1251-1259. doi: 10.13224/j.cnki.jasp.2015.05.029
Citation: DANG Yu-gong, DENG Xiao-zhong, JIANG Chuang, NIE Shao-wu. Compensation of springback error in a cold rotary forging method for hypoid gear[J]. Journal of Aerospace Power, 2015, 30(5): 1251-1259. doi: 10.13224/j.cnki.jasp.2015.05.029

Compensation of springback error in a cold rotary forging method for hypoid gear

doi: 10.13224/j.cnki.jasp.2015.05.029
  • Received Date: 2014-06-30
  • Publish Date: 2015-05-28
  • The authors put forward a cold rotary forging mthod, and the method simplifies the die structure, adopts the local line contact continuous plastic forming. The algorithm of displacement adjustment was used to construct the compensation iteration system of springback error, which was used to correct springback error of the rolling die. The feature of the system was first estimating the workpiece geometry using correction algorithm when the workpiece was assumed no springback, then obtaining the new rolling die with the design principle of rolling die. Based on the basic theory of elastic-plastic finite element method, instance of verification was carried out with the aid of finite element numerical simulation technology. The results of this research confirm the compensation iteration system of springback error just need three iterations to make the workpiece tolerances within the permitted scope, therefore it can greatly shorten the production cycle and cost.

     

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