China PQ Vacuum Brazing Furnace - High Precision Metal Connection Equipment from Reliable Suppliers and Factory
characteristic
01Heat 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 specifications
02| 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∼2.8 barabs, maximum support 10 barabs (optional) | |||||||||||
| Handling weight approx. (Kg) | 450 | 800 | 2500 | |||||||||
| Installed power (KW) | 185 | 350 | 475 | |||||||||
Frequently Asked Questions
What vacuum levels can these brazing furnaces achieve?
The furnaces support working vacuum levels ranging from 10-1 to 10-6 mbar. Heating under high vacuum removes adsorbed gas and surface impurities, preventing weld porosity and inclusion defects.
What is the temperature control capability of the system?
The system features multi-zone independent temperature control combined with a PID algorithm to achieve a furnace temperature uniformity of ±5℃, ensuring high precision and consistency.
How does the cooling process work in these furnaces?
Cooling is achieved using inert gas (Nitrogen or Argon) under controlled pressure (0.87 to 2.8 barabs, with options up to 10 barabs) combined with a high-speed, large-flow fan for fast, controllable cooling rates.
Can these furnaces weld heterogeneous materials and complex structures?
Yes. They support brazing complex structures like multi-layer laminated sheets, honeycomb structures, and small runners. They can also braze heterogeneous materials using a gradient transition layer to minimize thermal expansion stress.
Are custom dimensions and specifications available?
Yes, we support customization of the effective working area size, maximum temperature, working vacuum, gas cooling pressure, and other technical parameters based on your specific production requirements.