高效化多电弧气体保护焊接技术  

High efficient gas shielded multi-arc welding technology

作　　者：汤莹莹[1] 朱志明[1,2] 杨中宇 于英飞 

机构地区：[1]清华大学机械工程系,北京100084 [2]清华大学先进成形制造教育部重点实验室,北京100084

出　　处：《电焊机》2016年第11期1-8,共8页Electric Welding Machine

摘　　要：多电弧气体保护焊借助各电弧之间的相互作用,能够获得比传统单电弧气体保护焊更合理的电弧热力分布和优良的焊缝成形质量,是气体保护焊实现高效化焊接的重要途径。较之其他新型高效焊接方法,如激光焊及其与电弧复合焊、电子束焊、搅拌摩擦焊等,多电弧气体保护焊的焊接成本低、配套设施齐全、适应性强,具有显著的工业应用价值和广阔的发展前景。按照单面、双面焊接方式和组合电极种类的不同,分类介绍了典型的多电弧气体保护焊接技术的原理、特点及应用,分析其存在的问题,并简单论述其未来发展方向。Gas shielded muhi-arc welding has a more reasonable distribution of arc heat and force than conventional gas shielded single-arc welding by means of the interaction between different arcs, and thus results in better weld quality. It is an important way to achieve high efficiency for gas shielded arc; welding. Moreover, compared with other new types of high efficient welding methods, such as laser welding and laser-arc hybrid welding,electron beam welding,friction stir welding,etc,gas shielded multi-arc welding has a lower cost,more complete auxiliary facilities,better adaptability,and consequently has significant value in industrial applications and broad prospects for development. In this paper,according to the modes of one side or double sides welding and the types of combined electrodes,the principles,characteristics and applications of typical gas shielded multi-arc welding technologies are introduced respectively, and then their existed problems are analyzed and future development directions are simply discussed.

关 键 词：气体保护焊 高效化 多电弧 热力分布 熔敷率 

分 类 号：TG444[金属学及工艺—焊接]