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Title:Design on compound forming die for beryllium copper shrapnel of plate and wire
Authors: Hu An1  Yuan Quan′gang1  Wang Cheng1 2 3  Rui Yannian2  Wang Weiwei4 
Unit: (1. Industrial Internet College  Suzhou Institute of Trade & Commerce  Suzhou 215009  China    2. School of Mechanical and Electrical Engineering  Suzhou University  Suzhou 215006  China    3. Jiangsu PV Wind Power Control Engineering Research and Development Center  Suzhou 215009  China    4. Suzhou Zhaoneng Precision Spring Hardware Co.  Ltd. Suzhou 215009 China) 
KeyWords: beryllium copper shaped shrapnel  continuous die  plate and wire  punching  bending 
ClassificationCode:TG386
year,vol(issue):pagenumber:2024,49(5):205-211
Abstract:

 Aiming at the problems of low material utilization rate, high manufacturing cost and complex die structure in the stamping for high-quality material beryllium copper C17200, the product material, structural dimensions and forming process of beryllium copper shrapnel were researched. Firstly, stamping and bending layout processes of beryllium copper shrapnel were designed, and the forming processes including automatic intermittent feeding, continuous die punching and multi-angle CNC bending were selected. Secondly, the process characteristics and forming equipment of beryllium copper shrapnel forming were researched. Then, the continuous automatic production was achieved by continuous die, and a compound forming process of punching-cutting and multi-angle bending was adopted to ensure the bending accuracy. Furthermore, a die structure of compound forming of punching mechanism and bending mechanism for beryllium copper shrapnel was designed. The production test results show that the compound forming process of plate and wire beryllium copper shrapnel not only improves the production accuracy of product and the utilization rate of raw materials, but also reduces the production costs, which provides the progressiveness, feasibility and practicability of the compound forming process for plate and wire beryllium copper  shaped shrapnel, and lays a practical foundation for the application and popularization of this technology.

 
Funds:
基金项目:国家高技术研究发展计划(2012AA063506);苏州市重点产业技术创新项目(SGC2021111);苏州经贸职业技术学院企业横向课题(JMHX202206);江苏省职业院校学生创新创业培育计划项目(G-2023-1536)
AuthorIntro:
作者简介:胡安(2003-),男,专科生 E-mail:56719123@qq.com 通信作者:王成(1982-),男,学士,高级工程师,副教授 E-mail:szjm4118@163.com
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