... , 380V,30-80KHZ 4. Metal superficial heating is perfect This high frequency induction heating machine A. Heating (hot forging, hot fitting and ... , connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi drive shaft, small shaft and fork. 3. Various ... small-size mold, mold accessory and inner hole of mold. C. Welding (braze welding, silver soldering and brazing)It mainly aims ...