... the steps of the spot welding process; Microprocessor controlled, three-phases, inverter (MFDC 2000Hz) resistance welding; Automatic control of the spot welding current(14000A) continuous and ... steels 2.Features:Spot Welding Gun: Single Sided Gun, C-Gun, X -Gun Welding Pulse: Single Pulse, Double welded, Pulse welding Display system: 8"LCD ...