Transactions of Materials and Heat Treatment

Title：Analysis on stamping process of rocker arm for automobile left seat and progressive die design

Authors： Qin Guohua Shi Shuangxi Liu Yuefeng Liu Chaofu

Unit： Guilin University of Electronic Technology Lushan College of Guangxi University of Science and Technology

KeyWords： rocker arm of automobile left seat stamping process progressive die layout die structure

ClassificationCode：TG386.2

year,vol(issue):pagenumber：2019,44(9):113-117

Abstract：

The structural characteristics and stamping technicality of rocker arm for automobile left seat were analyzed, and the process scheme of rocker arm for automobile left seat produced by progressive die was proposed according to the production requirements. Then， the process calculations of two important stations in progressive die, namely, flanging and bending, such as blank size, stamping force, flanging times and springback angle, were completed. Comparing two schemes of single row straight layout and single row oblique layout, the oblique layout scheme with the highest material utilization rate was selected, and the corresponding progressive die station was designed. Furthermore, the structure of the main die parts and the overall structure of the die were designed, the die assembly drawing was finished, and the working process of rocker arm progressive die was explained. The results show that the rocker arm of automobile left seat can be formed by the progressive die with punching, trimming, bending, flanging, trimming-blanking processes, and the high efficiency stamping production is achieved.

Funds：

2017年度广西高校中青年教师基础能力提升项目（2017KY1348）；2018年度广西高校中青年教师基础能力提升项目（2018KY0834）

秦国华(1985-)，男，学士，讲师 E-mail：397305785@qq.com 通讯作者：史双喜(1983-)，男，硕士，副教授 E-mail:250861392@qq.com

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