1) High frequency is suitable for quenching or welding, the frequency is high, heating from the outside to the inside, applying copy to the surface heat treatment equipment.
2) The intermediate frequency is suitable for forging heat penetration. The frequency is low, and the heat penetration from the inside to the outside is more uniform.
3) The choice of medium frequency heating or high frequency heating should be based on product design requirements. Temperature control is determined by reasonable process parameters. There is no better one. The key is whether it can meet product requirements.
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