Features and ApplicationsIntegrating microcomputer or programming control casing with simple, user-friendly interface and easy-operated pedal switch Using air cylinder to add pressure, this can be adjusted conveniently and preciselyThe up-electrode pressure velocity can be adjusted freely with compact structure and swift movement Microcomputer controlled welding current, which is adjustable from 20% to 100%Three pulse (preheat, welding, temper) welding function: Current increase, decrease and main pulse multi-cycleHigh efficiency, water cooled, SCR switch, reliable quality and stable current outputEquipped with welding / debugging switch and head section movement manual switch for initial positionCan be applied to the fields of automobile, aviation, machinery, construction, metal products, electric switch for the high quality spot or projection welding of various low-carbon steel, stainless steel and non-ferrous metal panels, wires and meshes.