... heater with IGBT system.superaudio induction heating machine. Main characteristics:Max input power frequency:80KWFrequency ... press with the help of punch press, forging machine or other equipments, for instances, hot extrusion ... pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive shaft, small shaft and fork. ... such as gear and axes.4. Quench for machine tools, such as lathe deck and guide ...