Transactions of Materials and Heat Treatment

Title：Finite element simulation and experimental verification on stretch forming of aluminum alloy complex variable section aircraft skin

Authors： Wang Zhicheng He Tao Wang Xu Li Xiaoqiang Li Dongsheng

Unit： Shenyang Aircraft Corporation Beihang University

KeyWords： aluminum skin stretch forming of skin complex variable section VTL 1000 stretch forming machine

ClassificationCode：TG386

year,vol(issue):pagenumber：2016,41(8):53-58

Abstract：

To improve the forming quality of aluminum skin and save costs of stretch forming parts, the skin stretch forming process was numerically simulated by DynaForm based on the complex variable section part produced by the VTL1000 stretch forming machine. Through analyzing of thickness and strain distribution in the simulation results, the influences of relative technological parameters on stretch forming were researched, and the traditional stretch method was improved. Then, based on the structure feature of the part, the design method of an appropriate angle of the tool was given, which can further improve the forming quality. At last, a process program was developed based on the simulation results, and an experiment was conducted to demonstrate the validity of the process program.

Funds：

国家自然科学基金资助项目（50905008）；中央高校基本科研业务费专项资金资助项目（YWF-15-GJSYS-098）

王志成（1983-），男，学士，工程师李小强（1979-），男，博士，副教授

Reference：

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