Transactions of Materials and Heat Treatment

Title：Design on multi-station progressive die for pressure spring bending

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ClassificationCode：TG386

year,vol(issue):pagenumber：2021,46(5):190-193

Abstract：

To adapt the technical requirements of practical production and the structural characteristics of pressure spring part, the layout design of multi-position progressive die was conducted. According to the structural characteristics of pressure spring part, the layout was designed as a single row structure, and the fixed distance of feeding was determined by the side blade rough positioning and the rear guide pin precise positioning. The guide hole was designed to ensure the position for round hole of the part itself, the strength of sheet metal during punching and bending process and the feeding accuracy. The multi-station progressive die for pressure spring part was designed as the structure pushing down the part to make the workpiece and the waste material separate naturally and reduce the labor cost. At the same time, in order to meet the accuracy requirements of the pressure spring part, the empty station was reasonably designed to ensure the forming accuracy. The production results show that the multi-position progressive die of the pressure spring part meets the requirements of the product, and the material utilization rate of the die is as high as 87.5% to save the material greatly.

Funds：

武汉黄鹤英才（优秀青年人才）资助项目；武汉市市属高校产学研研究项目（CXY202020）；2020年度武汉市应用基础前沿项目(2020010601012292)；武汉城市职业学院科研创新团队建设计划资助项目（2020whcvcTD02）；湖北省教育厅科学技术研究计划项目(B2019433，B2020427)；武汉城市职业学院校级硕博士专项（2020whcvcB02）

袁博（1986-），男，硕士，讲师 E-mail：yuanbohg@126.com

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