大厚度铝构件无预热状态下的脉冲MIG焊  

Research on pulsed MIG welding for heavy thickness aluminum components without preheating

作　　者：朱瑞峰[1] 白钢[1] 高大路[1] 何宇航[1] 苏利龙[1] 张金勇[1] 

机构地区：[1]西北工业大学陕西省摩擦焊接重点实验室,陕西西安710072

出　　处：《电焊机》2009年第7期49-51,共3页Electric Welding Machine

摘　　要：介绍了大功率电力输送中配套使用的大电流变压器套管中的载流导体——大厚度铝构件的脉冲MIG焊焊接技术。通过选择合适的焊接设备和焊接参数,采用特定的施焊方法,可以使焊件整体在无预热的情况下进行焊接,结果表明该焊接方法行之有效,能够保证焊接质量和满足使用要求。In this paper,the pulsed MIG welding for heavy thickness aluminum members which are used as current carrying conductors in high current transformers of power transmission system, is introduced briefly.With proper welding machines, welding parameters given in this paper and special welding method,we can get high quality welding joints without preheating.From the result,it can be showed that this method is good enough to guarantee the welding quality and satisfy our requirements.

关 键 词：大厚度铝构件 无预热 脉冲MIG焊 

分 类 号：TG457.14[金属学及工艺—焊接]