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Title:Forming analysis and progressive die design for car bumper support
Authors: Wen Jie1 Zhao Xue1 Zhang Li2 Lyu Lin1 
Unit: 1.School of Mechanical Engineering Chongqing University of Technology 2. School of Mechanical Engineering Chongqing Industry Polytechnic College 
KeyWords: car bumper support structure feature layout plan progressive die stamping 
ClassificationCode:TG386
year,vol(issue):pagenumber:2018,43(12):117-121
Abstract:

 According to the structural characteristics of car bumper support, forming difficulties and requirements of mass production, the stamping analysis on multiposition progressive die was carried out, and an eightposition layout plan with punching hole-cutting shape -45°prebending and depression -90° right angle bending-sizing-punching-cutting off was determined. Then, the structural design of the progressive die and the main components were conducted, and the concave die adopted inlaid structure to reduce the difficulty of processing and installation and guarantee the accuracy better. However, the concave part adopted double oblique wedge structure to realize the shaping of concave part, and a floating clamping device was designed to achieve stable feeding.  Finally the progressive die design was completed. The production verification indicates that the process scheme can successfully manufacture the qualified part to meet the accuracy requirements and the requirement of highefficiency mass production based on the progressive die structure.

Funds:
基金项目:重庆市应用开发类资助项目(cstc2014yykfA60002)
AuthorIntro:
作者简介:文杰(1993-),男,硕士研究生 Email:1085581902@qq.com 通讯作者:吕琳(1968-),女,硕士,教授 Email:360849061@qq.com
Reference:

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