Products High Temperature Furnaces Vacuum Furnace Vacuum Heat Treat Furnace with Ceramic Fiber Liner
Vacuum Heat Treat Furnace with Ceramic Fiber Liner

Vacuum Furnace

Vacuum Heat Treat Furnace with Ceramic Fiber Liner

Item Number : KT-VF

Price varies based on specs and customizations


Max. temperature
1200°C / 1700℃
Temperature control accuracy
±1℃
Temperature uniformity
±5℃
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Leveraging exceptional R&D and in-house manufacturing, KINTEK provides diverse laboratories with advanced high-temperature furnace solutions. Our product line, including Muffle, Tube, Rotary Furnaces, Vacuum & Atmosphere Furnaces, and CVD/PECVD/MPCVD Systems, is complemented by our strong deep customization capability to precisely meet unique experimental requirements.

KINTEK Vacuum Furnace with Ceramic Fiber Lining: Precision High-Temperature Processing

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KINTEK's Vacuum Furnace with Ceramic Fiber Lining is engineered for superior performance in demanding laboratory and small-scale production environments. Utilizing advanced ceramic fiber insulation, this furnace ensures excellent thermal efficiency, precise temperature control, and uniform heat distribution for a variety of high-temperature processes.

Key Performance Highlights

  • Two Working Temperature Ranges:
    • 1200°C Max: Employs Cr2Al2Mo2 resistance wire coil heating elements and polycrystalline ceramic fiber liners. Ideal for a wide range of heat treatment processes.
    • 1700°C Max: Features Molybdenum Disilicide (MoSi2) heating elements and high-purity polycrystalline ceramic fiber liners for ultra-high temperature applications.
  • Superior Insulation: Lightweight, porous ceramic fiber lining offers excellent thermal insulation, significantly reducing heat loss, improving energy efficiency by over 50% compared to traditional furnaces, and ensuring faster heat-up and cool-down times.
  • Precise Temperature Control: Equipped with a touch screen PID controller and PLC, offering temperature accuracy of ±1℃ and uniformity of ±5℃.
  • High Vacuum Performance: Achieves vacuum levels up to 6*10-3Pa, with an excellent vacuum pressure maintaining performance (low pressure rise rate of 0.67Pa/h).

Explore the Design and Construction

Vacuum furnace with ceramic fiber liner details

Vacuum furnace with ceramic fiber liner details 2

Vacuum furnace with ceramic fiber liner details 3

Vacuum furnace with ceramic fiber liner chamber details

The furnace chamber adopts high-density light alumina ceramic fiber, ensuring a stable structure, excellent thermal shock performance, and thermal stability. This advanced material provides good insulation performance, low heat capacity, and low thermal conductivity, leading to energy savings of more than 50% compared with traditional silicon carbide furnaces.

Core Advantages & Features

Our vacuum furnaces are designed to deliver consistent, high-quality results with operational efficiency:

  • Enhanced Material Integrity: The vacuum environment prevents surface oxidation and discoloration, ensuring pristine workpiece finishes.
  • Minimal Distortion: Uniform heating and controlled cooling rates minimize thermal stresses, significantly reducing material distortion.
  • Flux-Free Brazing: Enables high-purity brazing without the need for flux, eliminating post-brazing cleaning processes.
  • Repeatable Quality: Precise control over temperature and atmosphere ensures consistent and reproducible outcomes for every cycle.
  • Energy Efficiency: Advanced ceramic fiber insulation minimizes heat loss, contributing to lower energy consumption and operational costs.
  • Clean, Safe, and Quiet Operation: Operates within a closed system, minimizing emissions and noise for a better laboratory environment.
  • User-Friendly Controls: Features a PID programmable microprocessor temperature control system for precise and reliable heating cycles.

Versatile Applications

KINTEK vacuum furnaces with ceramic fiber lining are indispensable tools across various industries and research fields, including:

  • Vacuum Heat Treatment: Hardening, tempering, annealing, and stress relieving of metals and alloys.
  • Vacuum Brazing: Joining of metal components, creating strong and clean bonds.
  • Sintering: Compacting and forming solid masses of material by heat and pressure, widely used for ceramics, metals, and composites.
  • Degassing: Removing trapped gases from materials such as metals and ceramics to improve their properties and performance.
  • High-Temperature Processing: Providing a controlled, clean, and safe environment for various material processing tasks at elevated temperatures.

Working Principle

The KINTEK vacuum furnace operates by utilizing robust heating elements (Cr2Al2Mo2 resistance wire or Molybdenum Disilicide, depending on the model) to heat the furnace chamber. The high-efficiency ceramic fiber lining insulates the chamber, minimizing heat loss and ensuring temperature uniformity. A powerful vacuum pump evacuates air from the chamber, creating the necessary vacuum environment. This vacuum prevents oxidation of the materials being processed and allows for highly precise temperature control, regulated by an advanced temperature controller.

Technical Specifications

Furnace model KT-VF12 / KT-VF17
Max. temperature 1200°C / 1700℃
Constant work temperature 1100°C / 1600℃
Chamber material Ceramic polycrystalline fiber
Heating element Cr2Al2Mo2 wire coil / Molybdenum Disilicide (MoSi2)
Heating rate 0-20℃/min (Adjustable)
Temperature sensor Built-in K-type / B-type thermocouple
Temperature controller Touch screen PID controller with PLC
Temperature control accuracy ±1℃
Temperature uniformity ±5℃
Electric power supply AC110-440V, 50/60HZ (Customizable)

Standard Chamber Sizes

Standard Chamber Sizes Available (Customization Welcomed)
Chamber size (mm) (D x W x H) Effective volume (L) Chamber size (mm) (D x W x H) Effective volume (L)
100x100x100 1 400x400x500 80
150x150x200 4.5 500x500x600 125
200x200x300 12 600x600x700 253
300x300x400 36 800x800x800 512
Custom-designed sizes and volumes are accepted to meet your specific research needs.

Need a specific chamber size or configuration? We specialize in tailoring furnaces to your exact requirements. Contact us to discuss your custom design.

Optional Setup & Advanced Customizations

Enhance your vacuum furnace with a range of optional features:

  • Independent furnace temperature monitoring and recording system.
  • RS 485 communication port for PC remote control and data exporting.
  • Optional pneumatic vacuum valve linkage integrated with the temperature controller.
  • Advanced touch screen temperature controller with versatile, operator-friendly functions.
  • Cold water circulation cooling machine for efficient furnace shell jacket cooling.

Advanced Safety Systems

Safety is paramount in KINTEK furnace designs:

  • Over-Current and Over-Temperature Protection: The furnace automatically shuts off power and alarms if over-current or over-temperature conditions are detected.
  • Thermocouple Failure Detection: The system continuously monitors the thermocouple. If a break or failure is detected, heating will stop, and an alarm will activate.
  • Power Failure Restart Function: In the event of a power outage, the furnace can be programmed to automatically resume the heating program once power is restored.
  • Door Safety Interlock: Automatic power shut-off if the door is opened during operation.

Your Partner for Advanced Thermal Processing

At KINTEK, we understand that every research project and production process has unique demands. Our expertise in high-temperature furnace technology, combined with our commitment to in-house R&D and manufacturing, allows us to offer not just standard products but deeply customized solutions.

Ready to elevate your high-temperature experiments? Whether you require a standard model or a fully customized vacuum furnace, our team is here to assist. Contact us today to discuss your specific requirements, request a quote, or learn more about how KINTEK can be your solution for researching.

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FAQ

What Are The Main Applications Of A Vacuum Furnace?

Vacuum furnaces are primarily used for vacuum quenching (tempering, annealing) to achieve desired material properties, vacuum brazing for welding below the base metal's melting point, vacuum sintering to bond metal powder grains into parts, and vacuum plus magnetism for metal and magnetic material treatment. They are also widely used in semiconductor devices, optical thin films, functional coatings, nanomaterials, and other fields, providing important technical support for material preparation and functional improvement.

What Is An Atmosphere Furnace Used For?

Atmosphere furnaces are widely used in material processing, metal processing, semiconductor manufacturing, solar cell production, optical materials, ceramics and glass industry, electronic material manufacturing, and research and development of new energy materials.

What Are The Key Features Of A Vacuum Furnace?

A vacuum furnace heats materials, mostly metals, at extremely high temperatures with low pollution and high consistency. Materials can be loaded vertically or horizontally. Vacuum furnaces can have batch or continuous designs, depending on cooling medium, load size, temperature, and pressure. They come in hot wall and cold wall designs, with cold wall furnaces offering higher operating temperature ranges, faster heating and cooling, and greater temperature uniformity.

What Are The Key Features Of An Atmosphere Furnace?

The key features of an atmosphere box furnace include its ability to maintain a specific gas environment, such as inert gases (e.g., nitrogen, argon), reducing gases (e.g., hydrogen), or vacuum conditions, to prevent oxidation, contamination, or unwanted chemical reactions during heating. The furnace typically consists of a high-temperature-resistant box chamber, heating elements, and a gas supply system. Advanced models may include programmable temperature controllers, uniform heating zones, and safety interlocks to ensure operational reliability.

How Does A Vacuum Furnace Work?

The working principle of a vacuum furnace involves removing air and gases from the chamber to create a vacuum, which prevents oxidation and contamination. Heating elements generate heat, and a temperature control system regulates the heating process to ensure precise and consistent results. The vacuum system pumps the furnace chamber to create a vacuum, and the heating element then heats the chamber while the temperature control system regulates heating speed and holding time, allowing materials to be heated under vacuum conditions.

How Does An Atmosphere Furnace Work?

A tube furnace generates heat through a heat source and transfers this heat to the heated workpiece or medium via the furnace tube. This process provides stable and uniform heating suitable for various industrial applications. The principle of sintering involves heating materials to high temperatures below their melting points, causing particles to bond and form a solid structure. Heat and sometimes pressure are applied to compact and densify materials, enhancing their mechanical and physical properties.

What Are The Advantages Of Using A Vacuum Furnace?

The benefits of a vacuum furnace include precise temperature control within a small area, low contamination of the product by carbon, oxygen, and other gases, quick cooling (quenching) of the product, and computer-controlled processes to ensure metallurgical repeatability. Additionally, vacuum furnaces provide a highly pure processing environment, fast processing speed due to no need for atmosphere adjustment, and strong controllability of the processing process as it is not affected by the atmosphere.

What Are The Advantages Of Using An Atmosphere Furnace?

The advantages of an atmosphere furnace include strong environmental control capability by adjusting atmosphere components, lower cost compared to vacuum furnaces, and a wide range of applications suitable for various materials like metals and ceramics. Additionally, atmosphere tube furnaces offer precise temperature control, flexible atmosphere control, high heating efficiency, energy conservation and environmental protection, safe and reliable operation, wide applicability, and reasonable structural design.

What Types Of Materials Can Be Processed In A Vacuum Furnace?

Vacuum furnaces are primarily used for processing metals, including sintering, annealing, and brazing. They are also suitable for ceramics, composites, and other advanced materials, especially in applications requiring high purity and precise temperature control, such as semiconductor devices, optical thin films, and nanomaterials.

What Types Of Gases Can Be Used In An Atmosphere Furnace?

An atmosphere furnace can maintain specific gas environments such as inert gases (e.g., nitrogen, argon), reducing gases (e.g., hydrogen), or vacuum conditions to prevent oxidation, contamination, or unwanted chemical reactions during heating.

What Is The Difference Between Hot Wall And Cold Wall Vacuum Furnaces?

Hot wall vacuum furnaces have the heating elements and insulation inside the vacuum chamber, while cold wall furnaces have these components outside the chamber. Cold wall furnaces offer higher operating temperature ranges, faster heating and cooling, and greater temperature uniformity compared to hot wall designs.

What Safety Features Are Available In Advanced Atmosphere Furnaces?

Advanced atmosphere furnaces may include programmable temperature controllers, uniform heating zones, and safety interlocks to ensure operational reliability. A program-controlled atmosphere furnace includes a protection system that monitors critical parameters such as furnace temperature and oxygen content. In case of any abnormalities, the system can automatically shut down or trigger an alarm to protect both the furnace and the samples inside.

Can Vacuum Furnaces Be Customized For Specific Applications?

Yes, vacuum furnaces can be customized based on cooling medium, load size, temperature, and pressure requirements. They can be designed as batch or continuous systems and can be tailored for specific applications such as sintering, brazing, or heat treatment, with options for vertical or horizontal loading.
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Product Datasheet

Vacuum Heat Treat Furnace with Ceramic Fiber Liner

Category Catalog

Vacuum Furnace


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