Superaudio induction heater with IGBT system.superaudio induction heating machine. Main characteristics:Max input power frequency:80KWFrequency:1-40KHzMax ... through forging press with the help of punch press, forging machine or other equipments, for instances, hot extrusion of watch case ... electric tools, such as gear and axes.4. Quench for machine tools, such as lathe deck and guide rail.C. Welding ...