Product Series: RVC- Series
Category: Vacuum Heat Treatment Furnace
Max. Working Temperature: 1300℃
Ultimate Vacuum Degree：20 Pa
Application：20#、25#、15Cr、20Cr、25Cr、12CrNi2、12CrNi3、20CrNiMo、20CrMnTi、20CrMnMo、18Cr2Ni4WA、20Cr2Ni4A、16MnCr5、20MnCr5、30CrMnSiA、12CrMo、20CrMo、30CrMo、35CrMo、40CrMo,etc.
Vacuum carburizing furnace operates under low-pressure vacuum conditions, achieving the required carburized layer depth for parts through multiple cycles of intense carburization and diffusion. It is suitable for vacuum carburization and quenching of automotive gears and high-value-added gears, as well as vacuum quenching and vacuum annealing of high-speed steel, tool and die steel, and alloy structural steel.
1.More Uniform Carburized Layer Quality:
Under vacuum conditions, carbon potential control is precise, and gas diffusion is more uniform, which avoids common defects in traditional carburizing such as “soot” and “network carbides”. The carburized layer depth and hardness distribution have higher consistency, making it particularly suitable for processing parts with complex shapes.
2. Excellent Workpiece Surface Quality:
The vacuum environment prevents oxidation and decarburization of workpieces. After treatment, the surface finish is high, with no scale or corrosion marks. No additional cleaning procedures are required, directly meeting subsequent processing or assembly requirements, especially for parts with high surface precision requirements.
3. Environmental Friendliness and High Safety:
Vacuum carburizing uses pure hydrocarbon gases such as methane and propane as carburizing agents, with no emission of toxic gases (e.g., cyanides). Additionally, the furnace is under negative pressure or vacuum, reducing the risk of gas leakage, which complies with environmental protection and safe production requirements.
4. Strong Process Controllability:
The vacuum level, temperature, carburizing time, and carbon potential can be precisely controlled through a PLC system, enabling automated production, reducing human errors, and ensuring the stability and repeatability of batch processing.
1.Heating Chamber
● Heating Chamber : Circular/Square
● Heating Element : Graphite / Molybdneum
The heating chamber consists of a stainless steel frame, heat insulation layer, heating elements, insulation parts, and a furnace bed. According to customer requirements, heating elements are made of different materials for various scenarios, with a maximum operating temperature of up to 1300℃ and excellent furnace temperature uniformity.
2.Vacuum system
Well-known domestic and foreign vacuum pump brands, such as EVP, Leybold, etc., are matched according to customer needs.
3.Control system
The operation control of this equipment is performed by the Siemens S7-1200 programmable logic controller. Interlock protection control is adopted for the equipment’s vacuum pump, valves, heating power supply, cooling fan, and other components. The system can judge and alarm abnormalities occurring during equipment operation, enabling fully automatic control. The network system supports remote network control and data transmission functions. All low-voltage components use international brands such as Siemens, Schneider, and Phoenix, which are highly reliable in terms of quality, performance, and craftsmanship, reducing the failure rate of the control system.
● The network system supports remote network control and data transmission functions.
● Remote fault diagnosis, remote process debugging, etc.
● Supports software upgrade and update.
4.Other Systems
Our temperature measurement system adopts a 9-point temperature monitoring method to accurately track the product temperature in real-time, ensuring that the furnace temperature uniformity is maintained within the range of ±3℃ to ±5℃.
The pneumatic system can be automatically controlled via a touch screen, enabling pneumatic control of the entire gas circuit.The gas charging system can be set up once without the need for re-adjustment; its on-off operation is realized through solenoid valves, making it simple, convenient, and easy to regulate.
A water cooling system is also equipped, mainly used to control the temperature of the furnace body, vacuum pump, and heating electrodes, ensuring the normal operation of the vacuum furnace.
| Model | Effective Working Zone (W*H*L) | Max. Temperature | Ultimate Pressure |
Temperature Uniformity | Loading Capacity |
| RVC-446 | 400*400*600mm | 1300 ℃ | 20Pa | ±5℃ | 200kg |
| RVC-669 | 600*600*900mm | 1300 ℃ | 20Pa | ±5℃ | 500kg |
| RVC-7710 | 700*700*1000mm | 1300 ℃ | 20Pa | ±5℃ | 700kg |
| RVC-8812 | 800*800*1200mm | 1300 ℃ | 20Pa | ±5℃ | 1000kg |
| RVC-9915 | 900*900*1500mm | 1300 ℃ | 20Pa | ±5℃ | 1200kg |
| Remark: The working zone of equipment could be customized base on customer ‘ s production. | |||||
After the completion of production, the manufacturing plant will conduct factory acceptance test, including:
1.Ultimate vacuum test
2.Pressure rise rate test
3.Inspection of the completeness of all equipment systems
After the equipment is delivered to the user’s site, site acceptance test will be carried out, including:
1.Overall installation
2.Overall debugging
3.User training
4.Document handover
The warranty period is one year from the date of final acceptance. It covers non-human-damaged components (excluding consumables/wear parts), as well as manual maintenance services and transportation costs incurred during the warranty period.
We have an independent after-sales service department dedicated to providing timely support to users, with a 24-hour rapid response guarantee.
