... ,anneal, temper,normalizing),braze welding,smelting,copper bar High frequency induction heating machine:frequency from20 to 80KHZ Application: all classes of machine ... forging, and so on. Type of machine: XG-18,XG-30,XG-40,XG-50,XG-60,XG-80,XG-100 ... 10. machine tool guideways gear,chain wheel quenching 11.elbow heating tube end expansion and necking down. High Frequency Induction Heating Machine Group