某B型铝合金车体底架框架组焊工艺优化  

Process optimization of assembly and welding for one B type aluminum alloy car body underframe

作　　者：田玉吉 TIAN Yu-ji(Bombadier Sifang(Qingdao)Transportation Ltd.,Qingdao 266111,China)

机构地区：[1]青岛四方庞巴迪铁路运输设备有限公司,山东青岛266111

出　　处：《电力机车与城轨车辆》2021年第3期75-78,共4页Electric Locomotives & Mass Transit Vehicles

摘　　要：针对底架框架难于组装和调整的问题,文章对某B型铝合金车体底架框架的组焊工艺进行了研究,并根据其设计结构制定组焊工艺流程,优化型材工艺放量、组焊工装和组焊工艺,满足了焊接工艺规范对焊缝间隙的要求,保证了后工序的尺寸需求。Aiming at the difficulty of assembling and adjusting of the underframe,this paper studies the welding process of one B type aluminum alloy car body underframe.According to its design structure,the welding process flow is formulated,and the profile process release,welding equipment and welding process are optimized.Optimization scheme meets the requirement of welding process code for weld clearance,and ensures the size requirement of the later process.

关 键 词：城轨车辆 铝合金车体 底架 组焊工艺 工艺流程 

分 类 号：U270.64[机械工程—车辆工程]