Automatic argon arc straight seam welding machine 13122848726 Product description: Mainly used for stainless steel, cylindrical iron, aluminum and other metals, automatic welding seam straight docking puzzle, because the use of automatic running gear, weld is good and beautiful. Pneumatic clamping device uses a special copper presser foot, to ensure the safety and accuracy of the clamping device. The backing can be adjusted according to the thickness and selection of welding materials; backing to ensure a stable gas shielded welding ensure sided, double-sided shape. Longitudinally welded walking driven by a DC motor speed, walking stability. Pneumatic gun can automatically locate, can also be manually adjusted by Oldham.