1.make welding seam wider 2.improve welding efficiency 3.good internal quality and nice appearance 4.dustproof settings Welding Oscillator, assistant automatic welding machine, can use for Welding Manipulator (Column and Boom). Below is introduction. 1. FunctionsWhen welding seam is wide, our machine can help to swing welding torch left/right to widen welding seam one time, thus saving cost, ...