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Active Screen Plasma Nitriding Furnace(ASPN)


  • The advantages of ASPN are to reduce arcing and hollow cathode effect, improve temperature uniformity, and realize the mix loading with varied dimension components.
  • The insulated furnace body has a good energy-saving effect.
  • The forced cooling by means of the inner and outer cooling fans can shorten the cooling time.
  • The pressure can be adjusted automatically by PID controller to improve the pressure stability.
  • The temperature of ASPN is controlled independently by the thermocouple contacted with the part accurately.
  • The gas cabinet can output 5 kinds of gases, H2、N2、CH4、NH3, and Ar.
  • The Maximum Frequency Of High-frequency Pulse Inverter Power Supply Is More Than 20khz.
  • The bell jar can be lifted and moved automatically.


The ASPN furnace is suitable for the nitriding and nitrocarburizing of components made of cast, carbon steel, alloy steel, stainless steel and titanium alloy to improve their wear resistance, fatigue strength, and corrosion resistance. The furnace is especially suitable for the nitriding of complex precise moulds, gears, and batch production of components with small holes.

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