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VKN Pre Vacuum Nitriding Furnace
Vacuum Furnace

VKN Pre Vacuum Nitriding Furnace

The VKN series pre-vacuum gas nitriding furnace is a high-end heat treatment equipment that combines vacuum technology and gas nitriding process. Thanks to the high cleanliness environment and the precise and controllable quality of the infiltration layer, it can integrate nitrogen into the surface of the metal material to form a dense compound layer, thereby improving the wear resistance, corrosion resistance, heat resistance and mechanical strength of these components. Mainly suitable for gears, shafts, valves, molds and other parts of the pre-oxidation, nitriding, nitrogen carburizing (soft nitriding), after oxidation, tempering, annealing and other heat treatment process switching, its core advantage is high efficiency, precision and environmental protection, widely used in aerospace, automotive, electric power, petroleum and industrial manufacturing and other fields.

    characteristic01

    ◆ Muffle tank + pre-vacuum system double isolation of oxygen and impurities, to ensure the surface finish of the workpiece, to achieve zero oxidation tempering

    ◆ Equipped with hydrogen probe and mass flow meter (MFC) to accurately control the proportion of NH₃, N₂, co2 and other gases, combined with nitrogen potential (KN value) closed-loop feedback system, to realize the precise control of the permeation layer thickness and phase structure

    ◆ High quality heat-resistant alloy Muffle tank (Inconel 600), can quickly adapt to gas nitriding, nitrogen carburizing (soft nitriding), post-oxidation, tempering and other process switching, theoretical life of more than 8 years

    ◆ Built-in high-speed turbine fan and baffle, forced air flow multi-direction circulation, to ensure the same nitriding rate of each part of the processed parts

    ◆ Exhaust gas is discharged after treatment by the combustion device, which meets the requirements of environmental protection; The equipment is also equipped with multiple pressure relief protection (pressure sensor, safety valve, manual pressure relief valve) to ensure safe operation

    ◆ Integrated PLC, with program controller or computer interface, touch screen, recorder, real-time monitoring furnace vacuum, temperature, nitrogen potential, pressure, support remote fault diagnosis and process tracing

    ◆ The furnace door can be opened vertically, which not only saves space, opens and closes efficiently, but also fits perfectly with the automatic production line, and can be seamlessly integrated into the automatic production process, effectively improving the overall production efficiency

    ◆ The equipment provides two types of horizontal type and well type for you to choose flexibly to meet the diversified production needs

    Common specifications02

    Model number VKN- 200 VKN-600 VKN-1000 VKN-1500 VKN-4000
    Effective working area dimension
    Width × height × length (mm)
    400×400×600 600×600×900 760×800×1200 900×900×1200 1200×1000×1500
    Temperature Maximum 750℃/ Normal operating temperature 150~700 ℃
    Cooling pressure 1 bar abs
    Handling weight approx. (Kg) 200 600 1000 1500 4000
    Installed power (KW) 80 120 160 180 240
    ※ Support the furnace effective working area size, shape and other parameters customized according to requirements, to meet the diversified production scenarios