Comparing with the welding of surface structure of cab and diesel engine,this article points out the advantage of MAG welding,especially better than CO 2 welding,furthermore,the surface quality of seam is enhanced.

• 通过试验比较了MAG焊和CO2焊2种方法焊接驾驶室、柴油机等外观件,指出MAG焊具有一系列优点,特别是MAG焊的综合机械性能优于CO2气体保护焊,MAG焊的焊道表面质量有了明显的提高,且MAG焊的总体成本低于CO2焊。