... 50KW~1000KW Inverter power:1~50KHZ Induction hardening is primarily used for surface hardening. The heating process does not affect ... consistent heat for manufacturing applications involving preheating for forging, hardening, tempering, brazing or melting of metals or other electrically ... Pins,Shafts.Gears,Sprockets,Lawn Mower Cams,Truck Cams,Car Camshafts,Axle Shafts,Drive Shafts,worm gears,etc. ...