1 , the main components: ( 1 ) 300kw medium frequency power supply ( 2 ) forged hob and capacitor box ( 3 ) 600-1500MM long circle heating ring ( 4 ) pneumatic feeding mechanism ( 5 ) infrared temperature probe 400--1400 °C ( 6 Temperature controller ( 7 ) Auxiliary feeding ramp mechanism 2 , Oscillation frequency: 1-20KHZ 3 , Suitable material diameter range: Ф 10 ~ 80 4 , Recommended use: Brass bar heating 5 , Advantages: Infrared temperature measurement and The temperature control can precisely control the heating temperature of the bar to prevent the bar from being over-fired or even melted inside the ring. It is especially recommended because the heating temperature of brass is close to the melting point.