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Quick Details

  • Place of Origin: Sichuan, China (Mainland)
  • Brand Name: DUOLIN igbt induction hardening machine
  • Model Number: MFP-350
  • After-sales Service Provided: Engineers available to service machinery overseas
  • Application: induction hardening
  • Work-piece: Shafts,gear,pipe&tube,etc.
  • Frequency: 0.5-10KHZ
  • Output power: 350KW
  • Input power: 380V/50Hz 3 phases 4 lines
  • Cooling: Water
  • Heating Mode: No-touch
  • Quenching vertical: PLC or CNC is available
  • Material: S.S,C.S,Alloy Steel .etc
  • Duty Cycle: 24 hour non-stop

Packaging & Delivery

Packaging Details plywood cases suitable for sea transport
Delivery Time Shipped in 40 days after payment

igbt induction hardening machine


For Gear, shaft, Pipe, Bearing, Pump fitting, steel plate, roller etc. hardening



l  Precise and fast heating for work pieces


l  Repeatability, consistency


l  Constant power or constant voltage control mode


l  Continuously working, 24 hours non-stop


l  Less interference to others equipment in workshop (Proved by CE)


l  IGBT inversion technology &LC series circuit design achieve energy saving up to 15%-30% compared with


     SCR technology


l  Easy to operate and maintain


l  Installation can be one very easily according our manual



1. Rapid precise heating minimises distortion

2.  Improved impact/wear resistance and tensile/fatique strength from surface hardening,with core properties retained. 

3.  Accurate control of depth and extent of heating.

4.  Repeatable, versatile, cost effective.

5. Less interference to others equipment in the workshop


Technique parameters


Case depth [mm]

Bar diameter [mm]

Frequency [kHz]


0.8 to 1.5

5 to 25

200 to 400


1.5 to 3.0

10 to 50

10 to 100

Ultrasonic frequency series (10-30KH)


3 to 10

Medium Frequency series(1-8KHz)

3.0 to 10.0

20 to 50

3 to 10

Ultrasonic/ Medium frequency series (10-30KH)

50 to 100

1 to 3

Medium Frequency series(1-8KHz)



Medium Frequency series(1-8KHz)


Stability & Reliability

Model:MFP-350 D2





 Successful Case



Our Services



Company Information


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