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Title:Process parameter optimization and springback control of automotive stamping parts
Authors: Gou Chunmei  Wu Min  Dong Jing  Sun Huawei 
Unit: Xinjiang Vocational & Technical College of Communications 
KeyWords: automotive stamping parts  springback compensation  numerical simulation  dimensional control AutoForm 
ClassificationCode:TG386.1
year,vol(issue):pagenumber:2018,43(2):0-0
Abstract:

 For the springback problem of automobile stamping parts, the springback control of an automobile rear floor parts was studied. First of all, the finite element model of the whole process of stamping for automobile rear floor parts was established by numerical simulation software AutoForm. Then, the springback of part was controlled by process parameter optimization and springback compensation. The AutoForm sigma optimization module was used in the process of parameter optimization, and the minimum of springback was taken as the optimization goal. However, the optimized parameters were the blank holder force of 798 kN and the friction coefficient of 0.14. Furthermore, the springback of drawing tool was compensated by springback compensation strategy. When the springback compensation cycle was iterated twice, the springback of part met the requirement of dimensional tolerance. Finally, the tools were manufactured and the die tryout was carried out. The experience results show that the springback of stamping part can be effectively controlled by the combination of process parameter optimization and springback compensation.

 
Funds:
全国交通运输职业教育教学指导委员会交通运输职业教育科研项目(2015B57)
AuthorIntro:
作者简介:苟春梅(1985-),女,硕士,讲师 E-mail: smart_edu_cn@163.com
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