... 3.Max cutting thickness:40mm 4,Stable arc start CUT-120 IGBT Air Plasma Cutter A Feature and Application 1.Advanced IGBT inverter ... by using air to cut with high speed and high quality.3.With mutiple protection, the working performance is stabe,arc starting ... ,Machine Adjustment, test the inner components to maintain the best performance of the machine. 2,Duration Test, technicist operate every machine ...