This high-temperature vacuum oil quenching furnace features a graphite crucible and an insulating shield made of graphite felt. The rated temperature is 1320°C, with a highly automated and stable electrical control system. The vacuum oil quenching furnace is primarily used for the bright quenching, annealing, or vacuum sintering of materials like alloy steel, tool steel, mold steel, high-speed steel, bearing steel, spring steel, and stainless steel; as well as for vacuum brazing of metal materials.
High-Temperature Vacuum Oil Quenching Furnace Features
Utilizing graphite tubes as heating elements, they offer a long service life, are easy to maintain, and have a rated operating temperature of 1300°C.
Composite gate valves offer excellent heat and airtight sealing properties.
Two-chamber structure, the rear chamber is the heating chamber; the front chamber is the cooling chamber, capable of oil quenching and air cooling. The upper section is the air quenching chamber, equipped with an air cooling system; the lower section is the oil quenching chamber, fitted with a lifting mechanism, feeding and discharging mechanisms, oil agitator, and oil heating equipment.
Hoist Mechanism: Driven by a three-speed gear motor outside the furnace, the lifting carriage is moved through a screw and nut mechanism. The lifting carriage features three speeds, using slow speed for feeding and removing materials, and slow start, fast immersion, and slow positioning for oil quenching.
Oil Mixing System: Driven by an electric motor reducer, the mixer beneath the material cart is activated, with a guide plate promoting the rational circulation of vacuum quenching oil, enhancing its cooling capacity. The mixer is a standard component, featuring low noise and high efficiency.
The workpiece conveying mechanism operates smoothly and flexibly, ensuring safety and reliability.
The gas-cooled furnace cover utilizes a staggered flange ring structure to ensure a tight seal in both positive and negative pressure directions.
High-Temperature Vacuum Oil Quenching Furnace Technical Specifications
Ⅰ. Technical Specifications | |
| Rated operating temperature | 1320℃ |
| Long-term operating temperature | 1300℃ |
| Temperature Gauge | ● PLC or AI PID instruments for automatic temperature control. Bi-directional inverse parallel thyristor voltage regulation for precise control of electric furnace temperature, with current limiting function. Prevents unstable power supply voltage, sudden excessive current causing tripping, and damage to electrical components. (The thyristor we use is an internationally renowned brand: Siemens Consotherm) ● 51-stage programming curve, automatically heats up, maintains temperature, and cools down according to preset programs. One-touch operation, no need for on-site staff. ● Built-in temperature control parameter self-tuning function. ● Features over-temperature alarm, thermocouple breakage alarm, and automatic power supply shutdown for reliable protection. |
| Temperature Control Accuracy | ±1℃ |
| Heating Rate | 0-15°C/min |
| Thermocouple | S-Type |
| Heating Element | High-purity graphite tube |
| Furnace chamber | High-purity Graphite Soft and Hard Felts |
| Vacuum Degree | 6×10-3 Pa |
| Furnace Shell Structure | ● Made of high-strength carbon steel, pre-treated with pickling and phosphatizing to remove rust, then electrostatically powder-coated for a beautiful and elegant appearance. ● Double-layer air-cooled furnace shell, equipped with 2-4 cooling fans, ensuring the surface temperature of the shell is below 60℃. |
| Furnace door | Side Open |
| Product Warranty | From the date of self-inspection, the whole unit of the high-temperature box furnace is covered by a free one-year warranty. In case of any equipment issues, on-site repairs will be provided, and lifetime technical support is guaranteed! 2. After the warranty period, parts are provided at cost. |
High-Temperature Vacuum Oil Quenching Furnace Standard Dimensions
| Furnace chamber size (mm) | Rated Temperature (℃) | Charging capacity (kgs) | Uniform Temperature (℃) | Power (kW) | Ultimate Vacuum |
| 300*300*450 | 1320 | 100 | ±5 | 50 | 6×10^(-3) |
| 400*400*600 | 1320 | 200 | ±5 | 80 | 6×10^(-3) |
| 500*500*700 | 1320 | 300 | ±5 | 120 | 6×10^(-3) |
| 600*600*900 | 1320 | 500 | ±5 | 150 | 6×10^(-3) |
