Transactions of Materials and Heat Treatment

Title：Stamping process and die design of reducer cover

Authors： Liu Guihua Qin Caiyou Yan Huirong Guo Xuandong

Unit： Sichuan Engineering and Technical College CNHTC Chengdu Wangpai Commerciai Vehicle Co. Ltd.

KeyWords： reducer cover stamping process compound die

ClassificationCode：

year,vol(issue):pagenumber：2014,39(7):55-57

Abstract：

The complex cover is a common part of the reducer, and it is difficult to form for the structure has four pits.Based on structure characteristics and technical requirements of the reducer cover, the forming method of four pits was analyzed in detail,and the reasonable stamping process program was made which is pre-punching central hole, drawing the four pits, flanging,and punching central hole in order.The reasonable diameter of pre-punching hole and trimming allowance were determined. Then,the die was designed according to the program. Finally the production practices show that by using the process, the forming problem of four pits on the reducer cover is solved successfully,qualified product is obtained, the production efficiency is greatly improved， and production cost is reduced.

Funds：

刘桂花(1985-)，女，硕士，助教

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