Smini Spark Plasma Sintering Furnace

The spark plasma sintering system is one of the most advanced sintering systems in the world today. It is a new type of rapid sintering technology that applies pulse current and axial pressure between two electrodes for powder sintering densification. It has the distinctive characteristics of fast heating rate, short sintering time, controllable structure, energy saving and environmental protection. It can be used to prepare metal materials, ceramic materials, composite materials, nano block materials, amorphous block materials, gradient materials.

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  • Technical Features

    Rapid heating and cooling, greatly shortening production time and reducing production costs (heating rate can reach 100 ~ 200℃ / min).

    (1)Self-developed high efficiency and energy saving power supply
    Adopting self-developed pulse frequency conversion DC power supply, The current output is stable and the power consumption is greatly reduced, energy saving and environmental protection.

    (2)Precised pressure control system
    Servo valve is used to control the pressure output of the hydraulic cylinder, and the control accuracy can reach 1/1000.

    (3)Advanced temperature measurement system
    Thermocouple and two-color infrared instrument are used to measure the temperature.

    (4)Advanced automatic control and reliable safety interlock
    Adopting computer to realize automatic control of temperature and action process, PLC safety interlock. It has sound and light alarm and interlock function such as over-pressure, over-temperature and high water temperature. 


  • Smini Spark Plasma Sintering System
    ModelVHPsp-6/18-2400(Smini)
    Equipment Loading MethodHorizontal side loading
    Max.Power

    30KW

    Output Voltage0 ~ 10V
    Output Current0 ~ 3000A
    Pulse ControlON/1~255ms OFF/1~255ms
    Max. Sintering Temp2400℃(The temperature will change according to the resistance of the sintered material)
    Product Diameter≤φ15mm
    Mold Diameter≤φ60mm
    Open Height180mm
    Z-axis stroke80mm
    Displacement Accuracy±0.005mm
    Max. Pressure29KN(3Ton)
    Pressure ControlServo motor
    Pressure Accuracy±0.1%
    Pressure methodSingle-way pressure, bottom pressure
    Max.Vacuum1Pa/8.0×10-4Pa(8.0×10-2/8.0×10-6 torr)Optional
    Pressure Rise Rate≤ 2Pa/h
    Temperature Control and  MeasurementPLC program temperature control≤1000℃  with K-type thermal couple>1000℃ with infrared thermometer
    GasesHigh-purity argon or high-purity nitrogen, inflation pressure ≤0.02MPa (adjustable)
    Cooling Water RequirementsWater pressure 0.2 ~ 0.4MPa, 4m3/h
  • Application

    Sintered nanomaterial without significant grain growth

    FGM (Functionally Graded Materials)

    Composite materials

    Innovative carbide metals

    Aluminum and copper alloys as well as intermetallic compounds

    Structural and functional ceramics

    Electronic Materials

    Sputtering target material

    Bioma materials

    Porous materials

    Magnetic materials

  • Graphite mold: for product diameter ≤φ15mm

    HCA-8: Power -380V/3 phase /50HZ, current -15A

    Stripper: HD-1 (1T)

    Mold release agent: HR-55 (550ml)


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