武汉轨道交通4号线车辆车体尺寸控制的分析及改进  

Analysis and improvement of dimension control for car body of Wuhan Rail Transit Line 4 vehicle

作　　者：孙瑶[1] 陈阿海[1] 刘军良[1] 李梁[1] 黄军才 

机构地区：[1]南车株洲电力机车有限公司技术中心,湖南株洲412001

出　　处：《电力机车与城轨车辆》2014年第4期42-43,53,共3页Electric Locomotives & Mass Transit Vehicles

摘　　要：文章主要针对武汉轨道交通4号线车辆试制中出现的车体尺寸超差的问题,对尺寸超差原因和车体焊接工艺进行了分析,从车体组焊工装设置、焊接顺序等方面进行了工艺改进和验证,为建立一种使用内藏门的微鼓型断面B型车体制造平台创造条件。This paper mainly analyzes the reason of exceeding dimension and car body welding technology, based on the exceeding dimension of car body during commissioning for Wuhan Rail Transit Line 4 vehicle. It makes progress in technology and verification in aspects of car body welding tools setting and welding sequence. It makes contribution to build a type B car body manufacturing platform with pocket sliding doors and tiny drum type.

关 键 词：轨道交通 车体 反变形 尺寸控制 

分 类 号：U270.32[机械工程—车辆工程]