P2-23 Vacuum Hot-Pressing Sintering Furnace

Vacuum Hot-Pressing Sintering Furnace combines vacuum/atmosphere, hot press forming and high temperature sintering, suitable for high temperature thermoforming of new materials such as powder metallurgy and functional ceramics, such as applied to the transparent ceramics, industrial ceramics, and alloys composed of refractory metals. Vacuum sintering of materials and high temperature sintering of ceramic materials such as silicon carbide and silicon nitride, can also be used for heat treatment of powders or compacts at temperatures below the melting point of the main components, with the aim of increasing the strength by metallurgical bonding between the particles.

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  • Technical Features
    1.Maximum Heating Temperature: 2300℃
    2.Integrated hot press sintering and vacuum sintering in one furnace
    3.Horizontal design with front-open chamber ensures easy loading and removal of mold.
    4.Vacuum degree (10^-3 Pa range) and Inert gas (Ar, He, N2) operation.
    5.Fully automatic operation by PLC and touchscreen HMI.
    6.Simultaneous temperature and pressure control.
    7.Temperature control system based on thermocouple and infrared thermometer.
    8.Safety alarm system for over-pressure and over-temperature.


  • Multifunctional Furnace for Vacuum Hot Pressing Sintering

    Model

    VHPgr-20/20/30-2300(P2-23)

    Equipment Form

    Horizontal

    Loading method

    Horizontal side loading

    Heating Element

    Graphite Plate

    Max.Temperature

    2300℃

    Working Temperature

    2200℃

    Max.Power

    60KW

    Max.Vacuum

    6.7×10-3Pa(6.7×10-5 torr)

    Temperature Accuracy

    ±1℃

    Temperature uniformity

    ±5℃

    Thermocouple

    W-Re5/26(C-type) + Infrared Thermometer

    Pressure Rise Rate

    ≤2.0Pa/h

    Gases

    Nitrogen,Argon

    Cooling Water Requirement

    Water pressure: 0.2~0.3MPa, water flow: 8m3/ h

    Power Requirement

    Three-phase / 380V;Total power: 72KVA (including vacuum furnace power, vacuum generator power, cooling water power, etc.)

    Technical parameters of hot pressing sintering (the use of vacuum hot pressing)

    Max.Pressure

    196KN(20Ton)

    Maximum Outside Diameter of Mold

    φ160x160mm(DxH)

    Product Diameter

    ≤φ80mm

    Diameter of metal head

    φ85mm

    Max Displacement

    100mm

    Pressing Direction

    Single way pressurization ( bottom )

    Technical parameters of vacuum sintering (the use of vacuum sintering)

    Maximum Heat Area Size

    200x200x300mm(WxHxL)

    Effective Zone

    160x160x160mm(WxHxL)

    Burnt Plate Size

    160x160mm(WxL)

    Equipment External Dimensions

    1500x2000x1500mm(WxHxL)

    Equipment Weight

    1.78Ton

  • Application

    Silicon nitride, mixed ceramics of Al2O3, TiC/TiN and sialon for cutting tools, components of heavy-duty valves, bearings, wear parts for process technology. 

    PLZT (lead-lanthan-zircon-titanate) and other high developed functional ceramic (O2 atmosphere).

    Boron carbide (B4C) for extremely wear resistant parts and armors.

    SiC whisker reinforced Al2O3 for cutting tools. 

    MMC and CMC materials, composite materials. 

    Sputter target & diffusion welding.


  • Graphite mold: for product diameter ≤φ80mm
    HCA-15: Power -380V/3 phase /50HZ, current -28A
    Stripper: HD-1 (1T)
    Mold release agent: HR-55 (550ml)


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