车身激光钎焊焊接质量评价及顶盖激光钎焊接头设计优化  

The quality assessment standards of BIW roof laser brazing and the welded joint design

作　　者：熊志明 谢宁 陈梁 沈永飞 王丽娜 Xiong Zhiming;Xie Ning;Chen Liang;Shen Yongfei;Wang Lina(TDC SAIC-GM-Wuling Automobile Co.Ltd.,Liuzhou 545007,China)

机构地区：[1]上汽通用五菱汽车股份有限公司技术中心,广西柳州545007

出　　处：《汽车知识》2024年第1期33-36,117,共5页Auto Know

摘　　要：文章探讨了顶盖激光针焊焊缝的质量评价标准,分析了影响对接接头激光钎焊焊接质量的因素。在影响焊接质量的要素中提取产品接头结构设计要素为对象,针对接头设计要素,建立了简易的顶盖激光针焊焊接接头设计模型,并通过模型分析了部分设计尺寸对焊接质量的影响,从而得出较优的关键尺寸。最后,提供了一套可供实践的顶盖激光钎焊接头设计方案。This paper discussed the quality evaluation standard of laser brazing joint and analyzed the factors affecting the quality of laser brazing.The factors of joint structure design were extracted from the factors affecting welding quality.According to the design elements of the joint,the design model of the joint with laser brazing on the roof is established,and the influence of the relevant dimensions on the welding quality is analyzed by the model.Finally,according to the model,a set of feasible joint design scheme is provided.

关 键 词：顶盖 激光针焊 质量评价 接头设计 

分 类 号：U466[机械工程—车辆工程]