Note: Heating Tool-Steel Circular Dies

Objective:

A die is heated with induction in a thermal process of an enclosed powder 

End Product:

Steel die

Equipment:

Ambrell EKOHEAT 50kW/30kHz induction heating system, equipped with a remote workhead containing one 53ÎźF capacitor
An induction heating coil designed and developed specifically for this application. 

Materials:

Steel die with a compressed powder solid inside 

Temperature:

400 °C (750 °F)

Frequency:

22 kHz

Testing:

Induction is evaluated to replace an oven/batch process. Advantages include reduced heating/cooling ramp times and floor space requirements. A nine-turn helical  coil is used to heat the steel die while temperature of the die is monitored with a thermocouple. Die heating soak time is one hour.

Benefits:

  • heat generated within the part, saving energy and time

  • easy integration with a press

  • anticipated process energy savings

  • greatly reduced footprint compared with oven, batch, carts

  • precise controllable heat

  • rapid ramp-up and cool-down times

  • automatic ramp and soak capability 

Heating Tool-Steel Circular Dies

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