A vacuum furnace is a type of furnace that surrounds the material being processed with a vacuum. This prevents oxidation, heat loss through convection, and contamination. The furnace can heat materials like metals and ceramics to high temperatures up to 3,000 °C with select materials. The vacuum level and maximum furnace temperature depend on the melting points and vapor pressures of the heated materials. Vacuum furnaces are used for processes like annealing, brazing, sintering, and heat treatment. The process can be computer-controlled, ensuring repeatability, and the product is low in contamination and high in purity.
Toggle Categories
Shortcut
Chat with us for quick and direct communication.
Immediately reply on working days (within 8 hours on holidays)
vacuum furnace
Vacuum Induction Melting Furnace Arc Melting Furnace
Item Number : KT-VI
Graphite Vacuum Continuous Graphitization Furnace
Item Number : GF-07
Large Vertical Graphite Vacuum Graphitization Furnace
Item Number : GF-08
Vacuum Heat Treat and Molybdenum Wire Sintering Furnace for Vacuum Sintering
Item Number : KT-VMW
Vacuum Heat Treat and Sintering Furnace with 9MPa Air Pressure
Item Number : KT-APS
Vacuum Heat Treat Sintering Brazing Furnace
Item Number : KT-BF
Vacuum Heat Treat Furnace with Ceramic Fiber Liner
Item Number : KT-VF
2200 ℃ Tungsten Vacuum Heat Treat and Sintering Furnace
Item Number : KT-VT
Vacuum Heat Treat Furnace and Levitation Induction Melting Furnace
Item Number : KT-VIL
Vacuum Induction Melting Spinning System Arc Melting Furnace
Item Number : KT-VIS
Vacuum Arc Induction Melting Furnace
Item Number : KT-VA
Laboratory Vacuum Tilt Rotary Tube Furnace Rotating Tube Furnace
Item Number : KT-RTF
Vacuum Sealed Continuous Working Rotary Tube Furnace Rotating Tube Furnace
Item Number : KT-CRTF
Vacuum Dental Porcelain Sintering Furnace
Item Number : KT-DV10
Vacuum Hot Press Furnace Machine for Lamination and Heating
Item Number : KT-VLP
Vacuum Hot Press Furnace Heated Vacuum Press Machine Tube Furnace
Item Number : KT-VTP
Horizontal High Temperature Graphite Vacuum Graphitization Furnace
Item Number : GF-01
Graphite Vacuum Furnace IGBT Experimental Graphitization Furnace
Item Number : GF-02
Graphite Vacuum Furnace Negative Material Graphitization Furnace
Item Number : GF-04
Vertical High Temperature Graphite Vacuum Graphitization Furnace
Item Number : GF-05
Dental Porcelain Zirconia Sintering Ceramic Vacuum Press Furnace
Item Number : KT-DP10
We have the best Vacuum Furnace solutions for your unique requirements. Our custom vacuum furnaces are engineered to meet almost any customer requirement. We offer a range of shapes and sizes, multiple hot zone options, and manual or automatic flow controls. Our extensive portfolio virtually guarantees there is an appropriate standard solution that will meet your needs. We build vacuum furnaces operating at pressures as low as 10-11 Torr (mBar) with an operating range from room temperature to a maximum temperature of 3000 °C (5432°F) for our tungsten hot zones and 2200 °C (3992°F) for our graphite hot zones in a rough vacuum level (10-2 Torr/mbar).
Applications of Vacuum Furnace
- Annealing
- Brazing
- Sintering
- Heat treatment
- Hardening
- Tempering
- Aging
- Nitriding
- Carburizing
- Quenching
Advantages of Vacuum Furnace
- Allows heating of metals to high temperatures with minimal contamination problems due to the absence of oxygen.
- Provides uniform high temperatures and precise temperature control for producing high-quality materials with consistent properties.
- Low contamination from carbon, oxygen, and other gases due to the vacuum atmosphere.
- Quick quenching or cooling of the product is possible to shorten process cycle times.
- Computer-controlled to ensure repeatable performance for consistent quality output.
- Can heat materials up to temperatures as high as 3,000 °C (5,432 °F) with select materials.
- Commercially available vacuum pumping systems can reach vacuum levels as low as 1×10−11 torrs (1.3×10−11 mbar; 1.3×10−14 atm).
- Vacuum pumping systems remove low temperature by-products from the process materials during heating, resulting in a higher purity end product.
- Used for a wide range of industrial processes, such as heat treatment, sintering, brazing, and annealing.
- Typically made of refractory materials, such as graphite or ceramic, that can withstand the extreme temperatures and vacuum environment.
Our Vacuum Furnace is the perfect solution for your unique projects. Our extensive product line provides a standard solution to fit your needs. However, for more unconventional applications, our custom design service comes in handy. Our custom vacuum furnaces are engineered for your specific project, no matter how unconventional it may be. These furnaces are designed for multiple processes, available in vertical or horizontal loading, and come in a range of shapes and sizes. In addition, we offer automatic flow controls and multiple hot zone options. The best part? Our Vacuum Furnace is very advantageous in terms of price and offers a complete customisation service.
FAQ
What Is A Vacuum Furnace Used For?
A vacuum furnace is used for high-temperature processing of materials in a controlled environment without any contamination. It operates by surrounding the product with a vacuum, which prevents oxidation and heat loss from the product through convection. This furnace is commonly used for heat treatment of steel alloys at temperatures below 1200 °C. High-temperature vacuum furnaces can reach temperatures up to 3000°C and are used for industrial processes such as sintering, brazing, annealing, and heat treatment with high consistency and low contamination. The ability to achieve uniform heating across the entire workpiece is a key benefit of using a high-temperature vacuum furnace.
What Is The Process Of A Vacuum Furnace?
The process of a vacuum furnace involves loading the parts into the chamber and creating a vacuum inside it by utilizing a vacuum pump. The next step is to heat the parts using temperature controls, which can reach between 1,500 and 5,400 degrees Fahrenheit. This process eliminates the possibility of oxidation and contamination, resulting in a higher purity end product. After heating, the parts are cooled and finished before being removed from the vacuum furnace. The furnace consists of various components, including the vacuum system, furnace shell, electric heating element, temperature controls, power supply system, and transport apparatus.
What Gas Is Used In A Vacuum Furnace?
Different gases can be used in a vacuum furnace depending on the application. In general, vacuum furnaces can work with gases or mixtures such as Argon, Nitrogen, Hydrogen, Carbon Monoxide, Helium, among others. The use of these gases allows for heat treatment in a defined, mostly non-oxidizing atmosphere, which is required for various applications such as vacuum soldering and brazing, vacuum annealing, and sintering. Additionally, it is possible to work with a defined oxygen concentration that is different from the air composition.
What Is The Heating Element Used In A Vacuum Furnace?
The heating element in a vacuum furnace is critical to its proper functioning, and is dependent on factors such as maximum operating temperature, power load, partial pressure and quench gases, and life expectancy. Vacuum furnaces are heated by electric resistance elements made from a variety of materials, including high-temperature metallic alloys such as stainless steel, nickel-chromium, molybdenum, tungsten, tantalum, or of non-metallic materials such as graphite and silicon carbide. The choice of material for the heating element is important in maximizing its longevity, reliability, efficiency, and ultimately the process results.
REQUEST A QUOTE
Our professional team will reply to you within one business day. Please feel free to contact us!
Related Articles
Improving Efficiency in Rotary Evaporator Distillation Purification
Strategies to enhance distillation efficiency in rotary evaporators, focusing on cooling medium temperature, heating pot temperature, and system vacuum.
Read more
Rotary Evaporator Basics: Principles, History, Maintenance, and Selection
A comprehensive guide on rotary evaporators, covering principles, history, maintenance, and selection criteria.
Read more
Advantages and Applications of Rotary Evaporators
Explore the benefits and diverse applications of rotary evaporators in various industries.
Read more
Rotary Evaporator Operation and Troubleshooting Guide
Detailed guide on rotary evaporator parts, applications, handling, operation, and troubleshooting.
Read more
Impact of Sintering Furnaces on Ceramic Manufacturing
Explores the role of sintering furnaces in ceramic production, focusing on their applications, heating methods, and effects on ceramic properties.
Read more
Temperature Control Requirements for Laboratory Small High-Temperature Resistance Furnaces
Exploring the precision, stability, and safety aspects of temperature control in laboratory small high-temperature resistance furnaces.
Read more
Precision Ceramics: Types, Working Principles, and Performance Characteristics of Various Sintering Furnaces
An in-depth look at different types of sintering furnaces and their principles, advantages, and disadvantages.
Read more
In-Depth Understanding of Zirconia Sintering Furnaces
An exploration of zirconia sintering processes, furnace components, and optimal conditions for achieving high-quality dental restorations.
Read more
The Art and Craft of Making Porcelain Teeth
A detailed guide on the intricate process of creating porcelain teeth.
Read more
Advancements in Muffle Furnace Technology and Applications
Explores the principles, types, research, and future prospects of muffle furnaces in various industries.
Read more
Calibration Methods for High-Temperature Muffle Furnaces
Explores traditional and system calibration methods for ensuring temperature accuracy in high-temperature muffle furnaces, focusing on temperature deviation and uniformity.
Read more
Understanding the Burnout Operation Process of Tube Furnaces
Explains the burnout process in tube furnaces, focusing on its principles and applications.
Read more
Comprehensive Guide to Muffle Furnace Resistance Wire Design
Detailed analysis of resistance wire design principles, parameters, and calculation techniques for muffle furnace applications.
Read more
Temperature Control Accuracy of High Temperature Experimental Chamber Muffle Furnace
An in-depth analysis of factors affecting the temperature control accuracy of high temperature muffle furnaces.
Read more
Muffle Furnace: Structure, Performance, and Usage Guidelines
Detailed guide on the structure, performance, and safe usage of muffle furnaces in laboratories.
Read more
Substances Suitable for Calcination in a High-Temperature Muffle Furnace
An overview of materials and experiments suitable for calcination in a high-temperature muffle furnace.
Read more
Safe and Effective Use of Muffle Furnaces
Guide on muffle furnace classification, maintenance, safety procedures, and ash testing.
Read more
Selection of Muffle Furnace: Key Considerations
Guidelines for selecting a muffle furnace based on experimental needs, heating methods, temperature control, safety, and more.
Read more
Choosing the Right Muffle Furnace for Laboratory Needs
Guide on selecting muffle furnaces based on temperature, chamber size, and other critical factors.
Read more
Factors Influencing the Performance and Price of a Muffle Furnace
An exploration of the materials and manufacturing processes affecting muffle furnace performance and pricing.
Read more
Downloads
Hot Tags
vacuum induction melting furnace
vacuum arc melting furnace
vacuum induction furnace
vacuum furnace
atmosphere furnace
graphite vacuum furnace
graphitization furnace
vacuum hot press furnace
advanced ceramics
cvd furnace
mpcvd machine
tube furnace
rotary tube furnace
rotary furnace
dental furnace
battery material