Transactions of Materials and Heat Treatment

Title：Design of multi-position progressive die for the wiring patch in plastic forming

Authors： Zhong Jiangjing Liang Shihong

Unit： Suzhou Institute of Industrial Technology

KeyWords： wiring patch bending blank layout progressive die bending crack springback

ClassificationCode：TG386

year,vol(issue):pagenumber：2016,41(9):100-105

Abstract：

For the defects of the bending crack, springback, deviation in the wiring patch bent part, the

main reason causing the quality issue was found. A reasonable stamping process and die

structure of multi station progressive die were studied thoroughly, and the corresponding

measures were proposed. Therefore, two or three bending processes were used to prevent from

bending crack, and the methods of pre-modifying the shapes and sizes of

die working portion were used in order to control springback. Furthermore, the workpiece was

pressed by guide board with a suppressing device pressed the work piece to avoid deviation.

The results show that the forming accuracy of the wiring patch is ensured by the corresponding

methods and measures, and the service life of the precision multi station progressive die is

prolonged.

Funds：

江苏高校品牌专业建设工程（PPZY2015B186）

钟江静（1964-），女，本科，副教授梁士红（1979-），女，硕士，讲师

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