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Adress: Luoxin Industrial Park, Luoyang, Henan
  • Products

  • Large AC Motors Terminal Rings

    Electric Motor Rotor Bars and

    Medium-frequency welding of mo

    Medium-Frequency Brazing Equip

    Integral Brazing Process for t

    Online Heating Equipment for T

    Online Heating Equipment for A

    Aluminum ingot heating equipme

    Welding Equipment for Traction

    Fully Digital Medium Frequency

    Motor rotor end ring brazing e

    Motor Rotor Guide Bar Welding

    Brazing equipment for hydro ge

    Generator rod induction brazin

    Hydropower generator stator ba

    Gear hardening machine

    Large diameter steel pipe quen

    Piston rod quenching and tempe

    Hand-held induction heater

    Grinding rod quenching and tem

    Induction forging machine

    induction heating machine 

    Induction heater

    High frequency induction heate

    Super audio induction heating

    Super audio induction heating

    Guideway quenching integrated

    Quenching equipment for machin

    Electric furnace principle（原理）
    How to choose the current frequency when the induction heating furnace heats the billet?
        

    How to choose the current frequency when the induction heating furnace heats the billet?

    The selection of the current frequency when the induction heating furnace heats the billet is shown in the table

    Selection of current frequency when steel billet is diathermy

     

    Diameter of blank /mm

    Current frequency/Hz

    Below the Curie point

    Higher than the Curie point

    6 -12

    3000

    450000

    12-25

    960

    10000

    25-38

    960

    3000 -10000

    38-50

    60

    3000

    50 -150

    60

    960

    >150

    60

    60

     

     

    It can be seen from the table that when the blank is heated at a temperature below the Curie point, the frequency can be one tenth of the Curie point due to the shallow penetration of the current. If dual-frequency heating is used, such as PC steel bars, before and after the Curie point Using different current frequencies can improve heating efficiency. Recently, a 30Hz frequency conversion power supply has been developed to heat large-diameter billets.

     

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