Vacuum Furnace
Your Professional Vacuum Furnace Manufacturers and Suppliers!
Founded in 2002, Guangdong HeYu Industrial Furnace Co.,Ltd . focuses on industrial furnace manufacturing and operates a 10,000-square-meter factory. The company provides one-stop solutions, supported by a professional engineering team, reliable quality, and customized services for global customers. Main products include vacuum sintering furnaces, vacuum quenching furnaces, vacuum annealing furnaces, vacuum tempering furnaces, vacuum brazing furnaces, vacuum oil quenching furnaces, vacuum diffusion welding furnaces, and vacuum degreasing pressure sintering furnaces.
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Vacuum Heat Treat FurnaceThe vacuum heat treat furnace is a game-changer for manufacturing high-performance metal components, designed to meet the rigorous demands of powder metallurgy and advanced alloy processing.read more -
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Vacuum Hot Press FurnaceThe vacuum hot press furnace stands as an indispensable tool for heat treatment professionals, engineered to deliver exceptional vacuum gas quenching results for tool steel, die steel, high-speed...read more -
![Vacuum Oil Quench Furnace]()
Vacuum Oil Quench FurnaceThe vacuum oil quench furnace is a cutting-edge solution for heat treatment processes, specialized in vacuum oil quenching, annealing, and air cooling of alloy structural steel, bearing steel,...read more -
![Vacuum Tempering Furnace]()
Vacuum Tempering FurnaceThe vacuum tempering furnace is an essential piece of equipment for precision heat treatment, designed specifically for vacuum tempering of tool steel, die steel, high-speed steel,...read more -
![Vacuum Annealing Furnace]()
Vacuum Annealing FurnaceThe vacuum annealing furnace is a versatile and high-performance heat treatment solution, tailored for bright annealing of tool steel, die steel, high-speed steel, ultra-high-strength steel,...read more -
![Vacuum Brazing Furnace]()
Vacuum Brazing FurnaceThe Vacuum Brazing Furnace is a cutting-edge solution for reliable vacuum brazing of non-ferrous metals, stainless steel, titanium alloys, superalloys, and cemented carbides, catering to the...read more -
![Vacuum Casting Furnace]()
Vacuum Casting FurnaceThe vacuum casting furnace is a versatile and reliable heat treatment solution, specialized in bright annealing of tool steel, die steel, high-speed steel, ultra-high-strength steel, magnetic...read more -
![Debinding and Sintering Furnace]()
Debinding and Sintering FurnaceThe debinding and sintering furnace is a game-changing all-in-one solution designed exclusively for powder metallurgy and metal injection molding (MIM) processes, specializing in debinding and...read more -
![Industrial Vacuum Furnace]()
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Vacuum Diffusion Brazing FurnaceThe vacuum brazing furnace by Guangdong Heyu is a specialized powerhouse engineered for diffusion welding of critical components like aero-engine blades, aircraft fasteners, and missile...read more
Why Choose Us
Advanced Production Equipment
We are equipped with a comprehensive array of machinery—including 500-ton punch presses, bending machines, welding systems, plate rolling machines, and overhead cranes—to ensure precise manufacturing processes and stable, reliable product quality.
Customized Solutions
By accurately identifying client requirements, we provide tailor-made industrial furnace solutions that integrate seamlessly with specific process workflows and production needs.
Experienced Technical Team
Comprising 5 senior engineers and 20 veteran technicians, our team possesses robust technical expertise in the development of control systems and the upgrading and retrofitting of equipment.
Broad Application Fields
Our products are widely utilized in heat treatment processes across diverse sectors, including metal materials, mold manufacturing, aerospace components, automotive parts, and medical devices.
Specification
|
Parameter/Model |
HYA-533 |
HYA -644 |
HYA -755 |
HYA -966 |
HYA -1177 |
HYA -1288 |
HYA -1599 |
|
Effective Heat ZoneW×H×L(mm) |
300×300×500 |
400×400×600 |
500×500×700 |
600×600×900 |
700×700×1100 |
800×800×1200 |
900×900×1500 |
|
Loading Capacity(Kg) |
75 |
250 |
400 |
600 |
1000 |
1200 |
1500 |
|
Heating Power(Kw) |
60 |
90 |
120 |
180 |
270 |
360 |
480 |
|
Maximum Temperature(℃) |
1100/1350/1700/2300 |
1100/1350/1700/2300 |
1100/1350/1700/2300 |
1100/1350/1700/2300 |
1100/1350/1700/2300 |
1100/1350/1700/2300 |
1100/1350/1700/2300 |
|
Temperature Uniformity(℃) |
±5 |
±5 |
±5 |
±5 |
±5 |
±5 |
±5 |
|
Vacuum Level(Pa) |
4×10-1 |
4×10-1 |
4×10-1 |
4×10-1 |
4×10-1 |
4×10-1 |
4×10-1 |
|
4×10-3/6×10-4 |
4×10-3/6×10-4 |
4×10-3/6×10-4 |
4×10-3/6×10-4 |
4×10-3/6×10-4 |
4×10-3/6×10-4 |
4×10-3/6×10-4 |
|
|
Pressure Rise Rate(Pa/h) |
≤0.26 |
≤0.26 |
≤0.26 |
≤0.26 |
≤0.26 |
≤0.26 |
≤0.26 |
|
≤0.67 |
≤0.67 |
≤0.67 |
≤0.67 |
≤0.67 |
≤0.67 |
≤0.67 |
|
|
Gas Cooling Pressure(bar) |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Advantages Of Vacuum Furnace
Minimized Oxidation and Decarburization: In the absence of air, materials processed in vacuum furnaces are less prone to oxidation and decarburization. This results in a cleaner, smoother surface finish, preserving the integrity and appearance of the product.
Consistency in Results: Vacuum furnace systems deliver uniform heating, which ensures consistent quality across batches. This is vital for industries where precision is non-negotiable.
Accurate Heat Application: The ability to precisely control temperature in vacuum furnaces means that heat is applied exactly where and how it's needed, ensuring optimal treatment of materials.
Customized Heat Profiles: Different materials require different heat treatment profiles. Vacuum furnaces allow for such customization, catering to the unique properties of each material.
Even Material Properties: Uniform heating and cooling prevent the development of stress and distortion in materials, ensuring their strength and durability.
Improved Material Performance: This uniformity translates to improved performance characteristics of the materials, which is essential in high-stress applications like aerospace or automotive parts.
Faster Cycle Times: Vacuum furnaces can reach the desired temperatures more rapidly than conventional furnaces, leading to shorter overall processing times.
Energy Efficiency: These furnaces are generally more energy-efficient, reducing operational costs and benefiting the environment.
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Broad Material Compatibility: From metals to ceramics, vacuum furnace heat treatment is used to process a wide variety of materials, making these furnaces versatile tools in many industries.
Adaptable for Different Processes: Be it annealing, brazing, sintering or hardening, vacuum furnaces are adaptable to various heat treatment processes.
Reduced Fire Risk: Operating in a vacuum means there's no oxygen to fuel fires, significantly reducing the risk of accidents.
Controlled Atmosphere: The controlled environment inside a vacuum furnace improves quality and enhances operator safety.
Lower Maintenance Costs: Vacuum furnaces typically require less maintenance than traditional furnaces.
Extended Lifespan of Products: The high-quality treatment extends the lifespan of treated materials, offering long-term cost benefits to users.
Types of Vacuum Furnace
Categorization by Process Application
Categorization by Process Application
The most common way to classify a vacuum furnace is by the specific job it is engineered to perform. Each type is optimized for a particular thermal process.
Vacuum Hardening & Tempering Furnaces
These furnaces are the workhorses of the heat-treating industry. They are used to alter the mechanical properties of metals, such as steel alloys, by heating them to a specific temperature and then rapidly cooling (quenching) them to achieve a desired hardness, toughness, and durability.
Vacuum Brazing Furnaces
Brazing is a process for joining two or more metal items by melting and flowing a filler metal into the joint. A vacuum brazing furnace provides a perfectly clean environment, ensuring the filler metal bonds cleanly with the parent materials without the use of flux, creating an exceptionally strong and pure joint.
Vacuum Sintering & Hot Press Furnaces
Sintering is the process of compacting and forming a solid mass of material by heat without melting it to the point of liquefaction. It is commonly used to create parts from metal or ceramic powders. A vacuum hot press furnace adds high pressure to the process, creating even denser, higher-strength components.
Laboratory & Research Furnaces
These furnaces are built for maximum precision, adaptability, and control. They are often smaller and may include specialized configurations like tube furnaces (split, rotating, or gradient) to allow for unique research on material properties in an oxygen-free environment.
Categorization by Physical Configuration
The second method of classification relates to the furnace's physical design and how parts are loaded into it. This choice is driven by part size, shape, and production workflow.
Horizontal / Front-Loading Furnaces
This is the most common configuration. The furnace features a door on the front, and parts are loaded horizontally onto a flat hearth or in baskets. This design is versatile, easy to automate, and suitable for a wide range of part sizes and shapes.
Vertical / Bottom-Loading Furnaces
In a vertical furnace, the heating chamber is positioned above the load, which is raised into the furnace from below. This design is ideal for long, tall, or symmetrical parts (like shafts or gears) that could distort or warp if laid horizontally during heating.
Bell Jar Furnaces
This is a type of vertical furnace where the chamber itself is a movable "bell" that is lowered over a stationary base where the parts are placed. They offer excellent access for loading and are often used in research or specialized production environments.
Vacuum Furnace: Components and Functionality
Heating Elements and Maximum Temperature
The heating elements define the furnace's operational temperature range. Common types include:
• Heating Tubes: Suitable for up to 1000°C.
• Heating Wires: Capable of reaching 1200°C.
• Molybdenum Strap Heaters: Operate up to 1350°C, ideal for high-temperature sintering.
• SiC (Silicon Carbide) Heating Elements: Withstand 1400°C, used in oxidation-resistant applications.
• MoSi (Molybdenum Disilicide) Elements: Achieve 1700°C, commonly used in research and advanced material processing.
• Graphite Heating Elements: Excel at ultra-high temperatures up to 2200°C, ideal for induction melting and extreme heat treatments.
• Induction Coil: for fast melting and casting, up to 2000°C（Requires Crucible support）
Furnace Chamber Materials
The chamber must endure extreme temperatures and thermal cycling. Material selection depends on the operating temperature:
• Stainless Steel: Used up to 1000°C for laboratory-scale chambers.
• Ceramic Fiber Board: A versatile insulator for temperatures up to 1700°C.
• Molybdenum Sheets: Withstand 1350°C, often combined with stainless steel for structural integrity.
• Graphite and Carbon Felt: Employed at 2200°C for superior thermal resistance and minimal contamination.
Vacuum System
A multi-stage pumping system ensures the desired vacuum level:
• Low Vacuum (-0.1 MPa): Achieved using a mechanical rotary pump.
• High Vacuum (7×10⁻⁴ Pa): Requires a combination of mechanical pumps, Roots pumps, diffusion pumps, or molecular pumps.
• Critical Components: Vacuum valves, mechanical pumps, diffusion pumps, and Roots pumps are integrated to maintain consistent pressure.
Cooling Systems
Rapid cooling is essential for quenching and continuous operation:
• Gas/Oil Quenching: Delivers fast cooling rates for metallurgical processes.
• Water-Cooled Jackets: Integrated into chamber walls to dissipate heat, ensuring low surface temperatures.
Control and Monitoring Systems
Precision is achieved through advanced automation:
• Temperature Controllers: PID, PLC, or touch-screen interfaces enable programmable control for heating/cooling profiles.
• Thermocouples: Different types like K-type (up to 1200°C), S-type (up to 1400°C), B-type (up to 1700°C), and W-Re type (up to 2200°C), ensure accurate temperature measurement (±1°C).
• Safety Features: Over-temperature protection, thermocouple failure alarms, etc., to ensure safe operation.
Structural and Electrical Specifications
• Chamber Design: Vertical, horizontal, dual-chamber, and other configurations
• Other Requirements: Rapid material handling, secondary feeding, casting design, and related processes.
• Optional Upgrades: PC-based control software and touch-screen interfaces for enhanced usability.
Application of Vacuum Furnace
Metallurgy
Vacuum furnaces are essential for many metallurgical applications. The absence of oxygen is advantageous for processes like annealing, brazing, and tempering because it prevents surface oxidation and produces materials with the necessary mechanical qualities.
Aerospace
To ensure the strength and longevity of components like turbine blades while keeping exact dimensional tolerances, the aerospace sector uses vacuum furnaces for heat treatment.
Automobile
Essential automobile components like gears, springs and valves are produced in vacuum furnaces. The surface polish and mechanical properties of these components are improved by the absence of oxygen.
Tool manufacturing
To get the best hardness and wear resistance, high-speed and precise tooling requires a particular heat treatment. The regulated environment required for these procedures is provided by vacuum furnaces.
Electronics
Vacuum furnaces are used in the electronics industry for brazing and sintering tasks to produce uniform, high-quality products and ensure solid connections.
Medical devices
To maintain biocompatibility and structural integrity, implants, medical equipment, and prostheses require precise heat treatment. The regulated environment required for these crucial applications is provided by vacuum furnaces.
Customization Services
To better meet the diverse needs of different industries and clients, we can provide customized vacuum furnace solutions based on your specific application scenarios and special requirements. For more information or support, please feel free to contact us.
Packaging and Shipping
|
Packaging |
Wooden crates or custom packaging |
|
Transportation methods |
Road transport, rail transport, sea transport. |
FAQ
As one of the leading vacuum furnace manufacturers in China, we warmly welcome you to buy discount vacuum furnace for sale here from our factory. All customized products are with high quality and low price. If you have any enquiry about quotation and free sample, please feel free to email us.
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