薄壁铝合金筒体环缝VP-TIG焊接  

VP-TIG Welding for Circumferential Weld of Aluminum Alloy Thin-wall Cylinder

作　　者：张国军[1] 丁森[1] 曹忠[1] 管雅娟 冯立杰[1] Zhang Guojun;Ding Sen;Cao Zhong;Guan Yajuan;Feng Lijie(Shanghai Spaceflight Precision Machinery Institute,Shanghai 201600)

机构地区：[1]上海航天精密机械研究所,上海201600

出　　处：《航天制造技术》2018年第6期46-49,共4页Aerospace Manufacturing Technology

摘　　要：介绍了薄壁部件的结构特点、技术要求,分析其焊接性和焊接难点。设计专用的环缝焊接设备,并从焊接流程、焊接方法、工艺参数、焊接变形控制等方面详细说明了筒体焊接过程和保证焊接质量的方法,试制的产品符合设计要求,该工艺方案完全适合于产品的生产。The paper induces the characteristics and technical requirements of thin-wall components,and analyzes the weldability and welding difficulties.It designs the special welding equipment and explicates the welding process of cylinder and the measures to control the quality of welded seams from welding procedure,welding technique,welding parameters,and welding deformation control.The results show that the welding quality of the first batch of cylinder meets design requirements,and this technology project is completely suitable for welding processing of the thin-wall cylinder.

关 键 词：薄壁筒体 变极性氩弧焊 铝合金 

分 类 号：TG457.14[金属学及工艺—焊接]