（1）等离子-MIG/MAG复合热源焊接技术是一种高效优质的焊接新技术，与传统的MIG/MAG焊接技术相比，焊接速度提高1-2倍。

（2）该工艺方法可以实现低热输入的优质焊接，有利降低焊接变形。

（3）该工艺方法与常规MIG/MAG相比，熔深更大，质量更好。

（4）该焊接系统采用一体化的焊枪，并可将等离子电源与传统MIG/MAG电源有机组合，统一协调控制，使等离子-MIG/MAG复合热源焊接技术成为传统MIG/MAG的升级改造，有利于降低新技术应用成本。

Investigation andapplication of plasma-MIG/MAG hybrid welding technology

DuBing Harbin Welding Institute, Harbin150080, China

Wang Changchun Beijing Golden BridgeMetallurgical Equipment Technology Ltd.

Beijing 100054,China

Abstract Plasma-MIG/MAG hybrid welding is high efficient,quality and low cost welding process which integrates Plasma and MIG/MAG intoone new welding technology. The feature of integrated welding gun andcombination of plasma power source with normal MIG/MAG power source makes itwide application. The paper presents the technical principle, equipment andindustrial application.

Keywords: plasma, hybrid power source, SUPER-MIG/MAG, Welding system