... long life 6. heating faster. 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.High quality induction ... main 600 × 480 × 1360mm At 500 × 800 × 580mm high-frequency induction quenching furnace