Suspension spot welder is referred to as suspension welder, which is a kind of resistance spot welding. Resistance welding is a combination of workpieces through the electrode to apply pressure, the use of electric current through the contact surface of the joint and the adjacent area generated by the resistance of the heat of the welding method, divided into spot welding, convex welding, butt welding, roll welding. According to the structure form, it is divided into one piece and split piece. According to the type of power supply is divided into frequency AC, inverter DC.
Suspension welding is the use of the workpiece does not move, the welding tongs move the processing mode, mainly used for welding the general fixed welding machine can not or inconvenient to weld mild steel, low alloy steel, stainless steel, coated steel, plate and round steel. Widely used in automobiles, rolling stock, security doors, cabinets, household appliances and construction, wire mesh spot welding and other industries.