Our vacuum oil quenching furnace is developed for parts that require stronger cooling intensity than gas quenching while still needing the clean heating advantages of a vacuum furnace. It is commonly used for alloy steel parts, bearing parts, gears, shafts, tools, molds, and mechanical components that need high hardness, improved wear resistance, and controlled heat treatment results. In this process, parts are first heated under vacuum, then transferred into quenching oil for rapid cooling. A well-designed vacuum oil quenching furnace can reduce oxidation during heating and provide effective hardening through oil cooling.
For many heat treatment plants, the choice between gas quenching and oil quenching is not only about equipment cost, but also about material response, hardness depth, part geometry, and deformation tolerance. Our vacuum oil quenching furnace can be customized according to the customer's steel grade, workpiece weight, oil tank capacity, transfer method, cooling demand, and safety requirements. Guangdong Heyu Industrial Furnace Co., Ltd. has more than 20 years of furnace manufacturing experience, and our team understands that quenching equipment must be designed with practical operation in mind. For overseas agents, this product is suitable for customers in machinery, tools, bearing, and automotive supply chains.
| Equipment type | Vacuum oil quenching furnace |
| Applicable process | Vacuum heating, oil quenching, hardening, carburizing-related treatment, stress relief |
| Applicable materials | Alloy steel, bearing steel, tool steel, mold steel, gear steel, precision mechanical parts |
| Cooling medium | Quenching oil |
| Furnace structure | Horizontal structure with oil quenching system |
| Heating method | Resistance heating or graphite heating according to process |
| Control system | PLC control, touch screen operation, programmable heating curve |
| Customization options | Furnace chamber size, oil tank capacity, transfer system, vacuum system, cooling system, safety protection |
| MOQ | 1 set |
| Lead time | Standard models about 45 days, customized models about 60 days |
Application Areas
Bearing and Gear Industry
Used for bearing rings, gears, shafts, and transmission parts requiring high hardness and wear resistance.
Tool and Mold Manufacturing
Suitable for punches, dies, tool steel parts, mold cores, and components requiring stronger quenching performance.
Automotive Components
Applied to precision mechanical parts, structural steel parts, and high-strength components in automotive supply chains.
General Heat Treatment Plants
Suitable for commercial heat treatment service providers handling different steel parts and batch orders.
Factory Strength
Our factory was established in 2002 and has accumulated more than 20 years of furnace-building experience. With a 10000-square-meter production facility and about 70 employees, we are able to manage design, manufacturing, assembly, testing, and after-sales service internally. We have already manufactured more than 1000 vacuum furnaces for customers in different industries.
Quality Control
For a vacuum oil quenching furnace, safety and stability are especially important because the system combines vacuum heating and oil cooling. We check the furnace body, oil tank, transfer mechanism, vacuum pipeline, electrical control system, and safety protection before delivery. Third-party inspection is accepted, and 100% inspection before packing can be arranged based on customer requirements.
Packaging and Shipping
Export packaging is arranged according to the actual equipment structure and international shipping requirements. We protect large components, control cabinets, pipelines, valves, and accessories to reduce transportation risk. For large equipment, EXW and FOB are supported. DDP is not normally provided for large equipment, but it can be considered for spare parts depending on the order.
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