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Vacuum heat treatment furnace is an advanced heat treatment equipment that has undergone significant development in recent years. Workpieces are heated and cooled in ultra-low pressure spaces. It has advantages such as good quality, energy conservation, safety, and less pollution. Vacuum heat treatment is a comprehensive technology that combines vacuum technology and heat treatment. It refers to the entire and part of the heat treatment process being carried out in a vacuum state. Vacuum is divided into low, medium, high, and ultra-high vacuum.
The equipment mainly consists of furnace shell, heating chamber, air-cooled circulation system, vacuum system, water cooling system, pneumatic system, charging and discharging system, temperature measurement system, electrical control system, and material cart.
Our company's vacuum heat treatment can almost achieve all heat treatment processes for you, such as quenching, annealing, tempering, carburizing, nitriding. In the quenching process, gas quenching, oil quenching, nitrate quenching, water quenching, etc. can be achieved, and vacuum brazing, sintering, surface treatment, etc. can also be carried out. The vacuum heat treatment furnace has high thermal efficiency, can achieve rapid heating and cooling, can achieve no oxidation, no decarburization, no carburization, can remove phosphorus chips on the surface of the workpiece, and has functions such as degreasing and degassing, thereby achieving the effect of surface brightness purification.
Generally speaking, the processed workpiece is heated slowly in the furnace, with a small temperature difference and thermal stress, resulting in small deformation and high product qualification rate. It can reduce costs and has a degassing effect, thereby improving the mechanical performance and service life of the work. Good working environment, safe operation, no pollution or public hazards. The processed workpiece does not pose a risk of hydrogen embrittlement, and prevents surface hydrogen embrittlement of titanium and refractory metal shells. The vacuum heat treatment process has good stability and repeatability. The advantages of this series are increasingly valued and applied in the development of vacuum heat treatment equipment and processes.
The control system of the heat treatment furnace produced by our company is controlled by an intelligent temperature controller, with accurate control and high degree of automation. It can achieve automatic/manual disturbance free switching and abnormal alarm functions, and the operation is simple and reliable.
Technical parameter table:
| Model | Workplace size(mm) | Maximum temperature(℃) | Extreme vacuum degree（Pa） | Leakage rate | Average temperature | Capacity |
| (pa/h) | (℃) | (KG) | ||||
| RVS-0.3 | 800*400*400 | 1300 | 2.5×10-3 | ≤0.5 | ±5 | 300 |
| RVS-0.5 | 900*450*450 | 1300 | 2.5×10-3 | ≤0.5 | ±5 | 500 |
| RVS-0.8 | 900*600*600 | 1300 | 2.5×10-3 | ≤0.5 | ±5 | 800 |
| RVS-1 | 1200*600*600 | 1300 | 2.5×10-3 | ≤0.5 | ±5 | 1000 |
| RVS-1.5 | 1200*700*700 | 1300 | 2.5×10-3 | ≤0.5 | ±5 | 1500 |
| RVS-1.5 | 1200*800*800 | 1300 | 2.5×10-3 | ≤0.5 | ±5 | 1600 |
| RVS-2 | 1100*1000*1000 | 1300 | 2.5×10-3 | ≤0.5 | ±5 | 2000 |