Oil Quenching Furnace

Features
Maximum Operating Temperature	≤1320℃
Furnace Temperature Uniformity	≤±5℃
Ultimate Vacuum Level	10⁻⁴ Pa
Leak-up Rate	≤0.5 Pa/h
Maximum Gas Quenching Pressure	＜2 bar
Workpiece Transfer Time	≤17~35 s
Adopt clean vacuum treatment technology, workpieces will not be oxidized or decarburized
Dual independent chamber structure, heating and cooling processes are isolated
VFD speed-adjustable transfer system ensures stable workpiece movement and minimal deformation

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Product Overview

The HZC Series Horizontal Vacuum Oil Quenching Furnace is a standard dual-chamber horizontal vacuum heat treatment equipment developed by Huaxiang Vacuum. It is applicable to high-speed steel, tool and die steel, alloy structural steel, stainless steel, magnetic materials and other materials, capable of performing vacuum quenching, vacuum annealing, high-temperature tempering and other processes, suitable for scientific research experiments as well as mass production.

The equipment adopts a horizontal dual-chamber structure consisting of a heating chamber and an oil quenching chamber. The furnace door features reliable sealing and flexible opening movement. The intermediate heat insulation gate achieves precise positioning and tight isolation, which effectively avoids backflow oil contamination.

It is equipped with a fully automatic control system composed of PLC and touch screen, enabling editing, saving and recalling of processes, real-time operating status monitoring, as well as generation of process reports, temperature/vacuum curves and fault alarm records. Multiple safety interlocks and fault diagnosis functions are built in, with remote diagnosis available as an optional configuration. The equipment reduces labor intensity and improves production standardization.

Technical Advantages

1. Vacuum Clean Treatment, Bright Oxidation-Free Workpiece Surfaces

Fitted with high-vacuum pumping assemblies and hermetic sealing construction to precisely regulate furnace oxygen concentration. Post heat treatment, components obtain bright surfaces free of oxidation and decarburization, removing the need for secondary grinding, boosting production yield and reducing manufacturing expenses.
2. Uniform Thermal Field, Precision Temperature Regulation

The furnace employs graphite / high-temperature molybdenum‑lanthanum alloy heating elements paired with high-efficiency heat shields, along with forced convection heating for low-temperature working zones.

Temperature uniformity is controlled within ≤±5℃, delivering stable hardness values and outstanding batch-to-batch consistency for treated workpieces.
3. High-Efficiency Oil Quenching, Controllable Part Deformation

The optimized oil quenching system is configured with dedicated agitators and heat exchangers to deliver uniform, adjustable cooling capacity.

Rapid, steady workpiece transfer drastically suppresses part deformation and cracking, making the furnace ideal for mass production of precision mechanical components.
4. Reliable Operation & Convenient Servicing

Long-service-life robust core components are adopted; multi-channel safety interlock and alarm systems ensure stable continuous operation.

Simplified maintenance workflows cut service costs, perfectly adapted to uninterrupted mass production modes.
5. Intelligent Control & Eco-Friendly Operation

Fully automatic PLC + touchscreen control system is deployed, supporting process data traceability and remote fault diagnosis.

No emission of three industrial wastes during operation with low running noise, complying with environmental regulations and construction specifications for premium intelligent workshops.

Application Scope

1. Mold Manufacturing

Perform vacuum quenching for high-speed steel, hot-work die steel and stainless steel molds. Suitable for injection molds, die-casting molds, stamping molds and precision cavity molds to improve hardness, wear resistance and service life.

2. Cutting Tools & Precision Tooling

Process high-speed steel tools, alloy cutters, drill bits, milling cutters, taps, gear cutters and precision measuring tools to ensure cutting edge quality, dimensional accuracy and superior surface finish.

3. Aerospace & High-End Equipment

Vacuum oil quenching is available for high-strength steel and stainless steel parts such as A100, 300M, 30CrMnSiA and D406A.

For titanium alloy components, only the processes of vacuum heating + pressurized gas quenching or vacuum annealing inside this furnace are allowed to satisfy reliability specifications.

4. Magnetic Materials

Ferrites, rare-earth permanent magnets and soft magnetic alloys can be vacuum annealed in this furnace to release internal stress and stabilize magnetic properties.

Only special magnetic alloys support vacuum quenching; oil quenching is not advised.

5. Precision Mechanical Parts

For precision gears, bearings, shafts, elastic elements, hydraulic components and fasteners, perfectly matching parts with strict requirements on deformation control and dimensional precision.

Product Specifications

Model	Effective Heating Zone (L×W×H, mm)	Load Capacity (kg)	Max Temperature (℃)	Temperature Uniformity (℃)	Ultimate Vacuum (Pa)	Leak-up Rate (Pa/h)	Heating Power (kW)	Workpiece Transfer Time (s)	Oil Tank Volume (L)
HZC2-40	450×350×300	60	1320	≤±5	10⁻⁴	≤0.5	40	≤17	14000
HZC2-65	600×400×400	150	1320	≤±5	10⁻⁴	≤0.5	65	≤18	20000
HZC2-85	750×500×500	300	1320	≤±5	10⁻⁴	≤0.5	85	≤21	30000
HZC2-120	900×600×600	500	1320	≤±5	10⁻⁴	≤0.5	120	≤25	62000
HZC2-160	1100×700×700	700	1320	≤±5	10⁻⁴	≤0.5	160	≤27	74700
HZC2-240	1200×800×800	1000	1320	≤±5	10⁻⁴	≤0.5	240	≤29	102000
HZC2-500	3500×800×600	2500	1320	≤±5	10⁻⁴	≤0.5	500	≤35	194300

Customized Non-Standard Solutions

Structural Customization

Personalized design for furnace dimensions, door configuration, trolley structure and workpiece transmission mode.
Parameter Customization

On-demand adjustment of heating zone size, furnace load capacity, heating power, vacuum level, gas quenching pressure and transfer time.
Process Customization

Optimize heating, cooling and vacuum parameters for special materials, and customize exclusive process curves.
Auxiliary System Customization

Custom adaptation of heating elements, heat shields, oil agitation systems, remote monitoring modules and tooling fixtures.

Our Services

Standardized response mechanism

• 4-hour rapid response to demands.

• Engineers will arrive within 24 hours within a 400km radius.

• Free troubleshooting/repair/replace parts within 48 hours.

• No cost: All expenses covered for non-human faults during the warranty period.
Full-Cycle Intelligent Maintenance

• 7×24-hour remote monitoring within the warranty/membership period

• Regular on-site inspection, maintenance and upkeep by professional engineers

• Core objective: Extend the service life of equipment
Customized Preventive Maintenance

• Adjusted according to usage intensity, operating frequency, local temperature and humidity, etc.

• Custom exclusive plans for advance risk troubleshooting

• Reduce unplanned downtime
Lifetime Membership Service

• Complete membership benefits available after the expiration of the warranty period

• Lifetime 4S-style equipment maintenance, servicing and technical upgrades

• Continuous optimization of equipment performance and value
Systematic Hands-on Training

• One-on-one on-site tutoring by senior engineers after equipment commissioning

• Instruction on operation, maintenance and basic troubleshooting

• Practical assessment until proficient mastery is achieved