... 200KW intermediate frequency induction heating machine, welding brazing, hardening, quenching(1-20KHz) Main features 1.Adopt IGBT technology, with ... it reduces th cost when producing. Application of Induction heating machine: Heating (hot forging, hot fitting ... and various aluminum products. 250KW intermediate frequency induction heating machine, welding brazing, hardening, quenching(1-20KHz) ...