China Suppliers Factory VKQF Vacuum Oil Quenching Furnace for High Hardness Metal Workpiece Treatment
Characteristic
01Through the multi-stage vacuum pump (front pump + Roots pump) to achieve high vacuum, effectively prevent oxidation, decarbonization, to ensure the workpiece surface finish and performance stability.
Heating chamber adopts imported graphite hard felt, long service life to reduce heat loss, improve energy efficiency, long service life.
The maximum working temperature can reach 1320℃, the temperature control accuracy is ±1℃, the furnace temperature uniformity is ±5℃, support multi-stage program heating, meet the heat treatment process needs of different materials.
Equipped with large capacity oil tank, strong stirring device, diversion system, heat exchanger and heater, to ensure quenching stability, cooling rate is fast, to meet the martensitic transformation needs of materials.
Adjustable cooling speed, by controlling the oil stirring speed, oil surface pressure and quenching oil temperature, adapt to the cooling needs of different materials, reduce the risk of deformation and cracking.
The internal drive device designed by the patented technology adopts a unique drive mode, which fundamentally eliminates the risk of quenching oil entering the heating chamber.
The furnace door adopts vertical opening design, which not only saves space, opens and closes efficiently, but also fits perfectly with the automatic production line, and can be seamlessly integrated into the automatic production process, effectively improving the overall production efficiency.
Integrated PLC, with program controller or computer interface, touch screen, recorder, real-time monitoring furnace vacuum, temperature, pressure, support remote fault diagnosis and process tracing.
Common Specifications
02| Model Number | VKQF-200 | VKQF-600 | VKQF-1000 | VKQF-1500 |
|---|---|---|---|---|
| Effective working area dimension: Width × height × length (mm) | 400×400×600 | 600×600×900 | 800×800×1200 | 900×900×1200 |
| Working vacuum | 10-1~10-6 mbar (optional) | |||
| Temperature | Maximum 1320℃/ normal operating temperature 540~1280℃ | |||
| Gas cooling pressure | 0.87 to 1.99 bar abs (optional) | |||
| Tank capacity (L) | 2000 | 4300 | 8000 | 12000 |
| Handling weight approx. (Kg) | 200 | 600 | 1000 | 1500 |
| Installed power (KW) | 180 | 200 | 360 | 380 |
Frequently Asked Questions
1. What is the maximum operating temperature of the VKQF vacuum furnace?
The VKQF series can reach a maximum working temperature of 1320℃, with a normal operating temperature range between 540℃ and 1280℃, monitored and controlled to a temperature control accuracy of ±1℃.
2. How does this furnace prevent workpiece oxidation and decarbonization?
High vacuum levels are achieved using a multi-stage vacuum pump system (comprising a front pump and a Roots pump). This setup effectively prevents oxidation and decarbonization, ensuring excellent workpiece surface finish and performance stability.
3. Can the cooling speed and quenching process be adjusted?
Yes, the cooling speed is fully adjustable. By controlling the oil stirring speed, oil surface pressure, and quenching oil temperature, you can adapt the process to the cooling requirements of different materials, reducing deformation and cracking risks.
4. Is there a risk of quenching oil entering the heating chamber?
No. The furnace features a patented internal drive device design with a unique drive mode that fundamentally eliminates the risk of quenching oil entering the heating chamber.
5. Can the dimensions and technical parameters of the furnace be customized?
Yes. We support custom configurations for the furnace's effective working area size, working vacuum level, gas cooling pressure, and other parameters to fit your specific production requirements.










