Vacuum Diffusion Bonding Furnace

Vacuum diffusion welding technology is a kind of welding method, which is carried out in vacuum, and the weldments are closely bonded. Under the appropriate temperature and pressure (workpiece bonding pressure), it is maintained for a period of time, so that the atoms between the contact surfaces are diffused, so as to form a connection. Vacuum diffusion technology can be used for welding of dissimilar metals, ceramic / metal dissimilar materials, etc.

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  • Technical Features

    It has good automation function

    Perfect safety protection function

    It has the characteristics of reliable structure, high vacuum degree, long service life of heater, good temperature uniformity and stable pressurization.




  • Working Zone:300mm×300mm×600mm
    Max. output pressure:40T
    Pressure regulation range:0.4-40T
    Pressure accuracy:≤±1℃
    Heating Rate:10 ℃ / min (50kg load, furnace temperature)
    Max Temp:1600℃
    Temp.Uniformity(1200℃/30min):≤±5℃
    Temp.control:≤±1℃
    Pressure rising rate:10 ℃ / min (50kg load, furnace temperature)
    Vacuum(1200℃):≤1x10-3Pa
    Limit vacuum (no load, clean, dry):≤1x10-4Pa
    Time to reach working vacuum:≤40min
    Axis parallelism of upper and lower indenter:≤0.1min
    Z-axis stroke:50mm
    Displacement accuracy:0.05mm
    Coaxiality of upper and lower indenters:≤1mm
  • Application

    Vacuum diffusion welding technology is a kind of welding method, which is carried out in vacuum, and the weldments are closely bonded. Under the appropriate temperature and pressure (workpiece bonding pressure), it is maintained for a period of time, so that the atoms between the contact surfaces are diffused, so as to form a connection. Vacuum diffusion technology can be used for welding of dissimilar metals, ceramic / metal dissimilar materials, etc.

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