What's the difference between high frequency induction heating and medium frequency induction heating?

Difference between high frequency induction heating and medium frequency induction heating;

Medium frequency induction heating: Medium frequency induction heating power supply is mostly used in many fields such as surface quenching of industrial metal parts, metal melting, rod diathermy and so on. It generates a certain induced current on the surface of the workpiece, and quickly heats the surface of the part, so as to achieve the effect of rapid surface heating and even diathermy melting. Intermediate frequency induction heating has the advantages of high heating efficiency, high speed, good controllability, easy mechanization and automation, and has been widely used in smelting, casting, bending, hot forging, welding and surface heat treatment.

High-frequency induction heating: heating by using the induced current (eddy current loss) generated by the conductor under the action of high-frequency magnetic field and the hysteresis loss generated by the magnetic field in the conductor. High-frequency induction heating and heat treatment of metal hardware and tools, brazing, welding and welding of various hardware, welding of steel pipes and copper pipes, quenching of mechanical parts and automobile parts, annealing and demagnetization of stainless steel, stretching of red hot rods before forging, pushing elbows and some special heating, and melting of a small amount of precious metals and alloys. According to different workpieces, local heating, internal hole heating, integral heating, surface heat treatment or integral diathermy can be performed on the workpieces, and the highest temperature can reach 1500-2500℃.