... . high frequency induction quenching, igbt induction quenching, equipment :IGBT induction quenching furnace can quenching all kinds of metals such as gears,shaft,steel plate, steel bar, automotive steering gear, etc ... Input voltage: three phase 380V 50-60HZ Oscillation frequency :15-35KHZ Size: main 600 × 480 × 1360mm At 500 × 800 × 580mm high-frequency induction quenching furnace