Transactions of Materials and Heat Treatment

Title：Design of multi-gripper flexible stretch forming machine based on parallel mechanism

Authors： Liu Kai1 Wang Chengjun1 Fang Daizheng1 Chen Xiaozhe1 Huang Ruhang2

Unit： 1.Anhui University of Science and Technology 2.Huainan Zheng Coal Mining Shun Li Machinery Co. Ltd.

KeyWords： stretch forming machine parallel mechanism multi-gripper motion simulation Ansys Workbench

ClassificationCode：

year,vol(issue):pagenumber：2015,40(7):87-91

Abstract：

For the defects of no attaching-die, crack or wrinkle produced easily in forming the double curvature skin parts by traditional stretch forming machine, a parallel multi-gripper flexible stretch forming machine was designed based on the theory of parallel mechanism topology. First, the structure of the parallel multi-gripper flexible stretch forming machine and its auxiliary device were introduced, and the structural design and calculation of degrees of freedom for the parallel support mechanism were conducted. Then, a kinematics simulation for the parallel supporting institution was implemented by the ADAMS, and the stability of parallel support mechanism was verified by analyzing the displacement change and rate change curves of parallel output board. Finally, the feasibility of stretch forming method was verified by FEA analysis strain distribution under different tensions in the panel.

Funds：

安徽省高校优秀青年人才支持计划项目 (R14-3-2Y287)

刘凯(1991-)，男，硕士研究生

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