Transactions of Materials and Heat Treatment

Title：Springback compensation and verification on joggle in rubber hydraulic forming for flanging part based on CATIA

Authors： Zhang Lingyun Chen Yao Meng Weiqi Fan Zuopeng

Unit： Shenyang Aerospace University AVIC Shenyang Aircraft Industrial （Group）Co. Ltd.

KeyWords： rubber hydraulic forming flanging part springback compensation joggle CATIA

ClassificationCode：TG386

year,vol(issue):pagenumber：2018,43(1):83-89

Abstract：

Aiming at the springback phenomenon commonly occurred in the process of rubber hydraulic forming for flanging part, the flanging part with joggle was simulated by finite element analysis software PAM-STAMP2G, and the springback values on both sides of joggle were obviously smaller than that at other positions, the joggle characteristic limited the possibility of springback. Then, a theoretical springback formula was obtained by analytic method, and the problem of surface compensation on joggle was solved by the curve normal plane intercept compensation algorithm and the surface compensation method of joggle. Furthermore, the development of the springback compensation system was completed under CATIA interaction mode, the compensated die was simulated by finite element method, and the results were compared to the rubber hydraulic forming test. The results show that the angle deviation before and after springback of part is within 1°, which verifies that the springback compensation system has a good compensation effect on the flanging part with joggle and saves a lot of costs to modify die.

Funds：

作者简介：张凌云（1963-），男，博士，教授，硕士生导师，E-mail：zhangly79@163.com；通讯作者：陈瑶（1992-），男，硕士研究生，E-mail：459311221@qq.com

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