汽车顶盖前横梁上板回弹发生机理及整改措施  

Mechanism and Rectification Measures of Rebound on the Front Cross Beam of the Car Top Cover

作　　者：雷鹏臣 牛富军 祝中华 牛天宝 Lei Pengchen;Niu Fujun;Zhu Zhonghua;Niu Tianbao(Great Wall Motors Co.,Ltd.,Baoding,Hebei Automobile Engineering Technology Research Center,Baoding,Hebei 071000,CHN)

机构地区：[1]长城汽车股份有限公司生产技术开发中心,河北省汽车工程技术研究中心,河北保定071000

出　　处：《模具制造》2024年第10期1-3,共3页Die & Mould Manufacture

摘　　要：以长城公司某车型汽车顶盖前横梁上板为例,介绍了其冲压工艺设计、回弹发生机理及控制要点。探究了利用CAE软件对生产现场制件回弹缺陷进行分析,制定对应回弹补偿策略,运用数模重构技术,对现场模具进行二次整改,保证产品最终质量的方法。对同类制件冲压工艺开发、模具设计制造及现场生产整改具有一定的指导意义。This article takes the upper plate of the front crossbeam of a certain car model from Great Wall Company as an example to introduce its stamping process design,rebound mechanism,and control points.Explored the use of CAE software to analyze the rebound defects of production site components,developed corresponding rebound compensation strategies,and used digital and analog reconstruction technology to carry out secondary rectification of on-site molds to ensure the final quality of products.It has certain guiding significance for the development of stamping processes,mold design and manufacturing,and on-site production rectification of similar parts.

关 键 词：顶盖前横梁上板 冲压回弹 CAE回弹补偿 数模重构 

分 类 号：TG385.2[金属学及工艺—金属压力加工]