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high frequency power supply is primarily used for surface hardening. The heating process does not affect the core structure. - details see: https://www.machineto.com/high-frequency-power-supply-high-frequency-induction-hardening-machine-high-frequency-induction-heating-equipment-10158977

Induction hardening is primarily used for surface hardening. The heating process does not affect the core structure. It is possible to heat a material locally where it is functionally desired. Other sectors of the material remain untreated and it is easy to machine them.

High frequency power supply applications:Bearings,Hubs,Joints,Clutch Plates,Roller Pins,Shafts.Gears,Sprockets,Lawn Mower Cams,Truck Cams,Car Camshafts,Axle Shafts,Drive Shafts,worm gears,etc..

Heating methods: Quenching, Heating penetration

DC power:10~400KW
Inverter power:50~400KHZ

Characteristics:
1. Using high-power MOSFET
2. Using dual-loop PI regulator of voltage and current, the power range is adjusted from 0-100% .
3. Using pulse width modulation or voltage regulation circuit microcomputer control based, adjustment stable with high precision, small harmonic interference.
4. It has fault protection system with over-voltage, over-current, lack phase and less water-pressure etc.
5.No high voltage operation,maintenance safety,saving electricity about 30%,water-saving about 50%.
6.Control circuit has a soft start and soft stop function,it will not has the impact to the electric network.