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PQ Vacuum Brazing Furnace
Vacuum Furnace

PQ Vacuum Brazing Furnace

PQ series vacuum brazing furnace is mainly used as a cutting-edge equipment to achieve high-precision connection of metal materials in a vacuum environment. By virtue of its non-oxidation heating and capillary action of liquid brazing metal, it can weld complex components such as narrow channels, honeycomb structures and multi-layer plate fin heat exchangers by using the high fluidity of brazing metal under vacuum, and realize the high-strength and high-air-tightness connection of complex structural parts. Especially suitable for precision welding of a variety of materials, high yield, has become the core equipment of high-end manufacturing complex component connection; Widely used in aerospace, electronics and semiconductors, nuclear energy equipment, automobile manufacturing, medical equipment and other fields.

    characteristic01

    ◆ Heat the workpiece under different vacuum (10-2~10-6 mbar), remove the adsorbed gas and impurities on the surface of the workpiece, and avoid weld porosity and inclusion defects

    ◆ Multi-zone independent temperature control, combined with PID algorithm, to achieve ±5℃ furnace temperature uniformity, with good temperature control accuracy

    ◆ Through inert gas nitrogen under different cooling pressure, combined with high-speed large flow fan to quickly cool the workpiece, cooling speed is controllable

    ◆ According to the uniqueness and complexity of vacuum brazing process, it is equipped with multiple protection mechanisms to eliminate potential risks from all aspects and multiple dimensions, and fully ensure the safe operation of equipment

    ◆ Support the overall brazing of complex workpieces such as multi-layer laminated sheets, honeycomb structure, small runner (such as heat exchanger fins, rocket nozzle) to achieve high-precision assembly and sealing

    ◆ Can braze the combination of heterogeneous materials, through the gradient transition layer design to alleviate the stress problem caused by the difference in thermal expansion coefficient

    ◆ Choose a flexible opening method of the furnace door according to the customer's on-site requirements (such as the door position left and right direction, automatic or manual opening)

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

    Common specifications02

    Model number PQ-65 PQ-80 PQ-130
    Effective working area dimension: Width × height × length (mm) 650×500×1000 800×800×1300 1300×1200×2200
    Working vacuum 10-1~10-6 mbar(optional)
    Temperature Maximum 1320℃/ normal operating temperature 540~1280℃
    Cooling gas medium Nitrogen, Argon (optional)
    Gas cooling pressure 0.87∼2.8barabs, maximum support 10barabs (optional)
    Handling weight approx. (Kg) 450 800 2500
    Installed power (KW) 185 350 475
    ※ Support the furnace effective working area size, maximum temperature, working vacuum, gas cooling pressure and other parameters customized according to requirements, to meet the diversified production scenarios.