Products Thermal Equipment Vacuum Furnace Non consumable vacuum arc furnace Induction melting furnace
Non consumable vacuum arc furnace Induction melting furnace

Vacuum Furnace

Non consumable vacuum arc furnace Induction melting furnace

Item Number : KT-VAN

Price varies based on specs and customizations


Melting temperature
3500 ℃
Vacuum pressure
< 5 x10-3 Pa
Melting capacity
20-500 g
Rated melting current
200-1000 A
Smelting station
5-7 standard smelting station
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Applications

The electrode of non consumable vacuum arc furnace (also known as vacuum button furnace) is made of high melting point materials such as tungsten, which is basically not consumed in the furnace charge smelting process. At present, it is only used in the laboratory to research and manufacture refractory metals and metal carbides. It is one of the earliest vacuum arc furnaces. The furnace is small in size, small in floor space, easy to operate, and does not require professionals and professional skills. It is closed for operation, radiation free, harmless to human body, pollution-free to the environment, and fast in sample preparation. At present, it is mostly used in laboratory research to research and manufacture refractory metals and metal carbides.

Detail & Parts

Controlled atmosphere furnace detail 1
Active and refractory metal non-consumable vacuum electric arc furnace, non-consumable electric arc furnace button furnace equipment; used for smelting high-melting point metals/alloys, and preparing bulk amorphous materials by vacuum suction casting.

Controlled atmosphere furnace detail 2

Non consumable vacuum arc furnace
Vacuum electric arc furnace melting furnace button furnace is widely used in schools, research institutes and scientific research institutions for the smelting and purification of ultra-high temperature metal materials, high-entropy alloy materials, master alloy materials, refractory metal materials, rare and precious metal materials, etc., which can be effectively.

Features

  • Small size, convenient operation, small floor space
  • Melting temperature can reach above 3500 ℃
  • The vacuum chamber is small, which can pump vacuum quickly and fill argon quickly, with fast efficiency and less argon consumption
  • The water-cooled copper electrode can be moved for easy disassembly, and multiple samples can be smelted at the same time
  • Sample diversity, which can be powder, filiform, chip, drilling cuttings, granular, strip, annular, sediment, etc

Component

Vacuum chamber, electric arc gun, electric arc smelting power supply, five station water-cooled copper crucible, turnover manipulator, vacuum suction casting device, working gas station,  air extraction system, vacuum meter and electrical control system.

Technical specifications

Melting temperature 3500 ℃
Vacuum chamber 304 stainless steel
Vacuum pressure < 5 x10-3Pa
Melting capacity 20-500g
Rated melting current 200-1000A
Smelting station 5-7 standard smelting station
Insert working gas Ar
Optional function Suction casting/Extra smelting station

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

Designed for You

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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.

How does a vacuum induction melting furnace work?

A vacuum induction melting furnace works by utilizing electromagnetic induction under vacuum or protective atmosphere conditions to melt metals and alloys that combine easily or have close affinity with oxygen, nitrogen, and hydrogen. The furnace contains a refractory-lined crucible enclosed by an induction coil that generates an eddy current of heat in the material being processed. The furnace's vacuum system totally eradicates gases from the molten metals, and the cooling system contributes to the controlled melting temperature. The furnace is highly reliable, gives high productivity, and produces metals with very close compositional tolerances.

What is vacuum arc melting process?

Vacuum arc melting (VAR) is a secondary melting process used to produce metal ingots with high chemical and mechanical homogeneity for critical applications in industries like aerospace, energy, and nuclear. The process involves refining liquid metal under vacuum and controlling its solidification rate. It is used for the purification of reactive titanium or zirconium alloys, without any contact with casting refractories, as well as for improving inclusion cleanliness in steels and superalloys. The remelted cylindrical ingots can weigh several tons, and VAR has revolutionized the specialty metallurgical techniques industry.

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 are the advantages of vacuum induction melting?

The advantages of vacuum induction melting (VIM) include the elimination of gases, superior process control, close control of chemical analysis, slag-free melting, and melt protection. VIM is currently the most energy-efficient, fastest, low-consumption, and environmentally friendly induction heating technology for heating metal materials. The technology offers exceptional and reproducible control of reactive element-containing compositions and eliminates the need for a protective slag cover, decreasing the potential for accidental contamination or inclusions in the ingot. The process takes place in a vacuum environment, making it beneficial to remove gas impurities inside the metal, resulting in a more pure metal alloy material.

What is VAR Vacuum Arc Remelting (VAR)Furnace?

VAR or Vacuum Arc Remelting is a process used to refine and improve the cleanliness of ingots made from standard air-melted, vacuum induction melted, or ESR remelted alloys. It is used for steels, superalloys, titanium, zirconium, and their alloys in industries such as aerospace, power generation, defense, medical, and nuclear. VAR is a continuous remelting process of a consumable electrode under vacuum, with DC power used to strike an arc between the electrode and a copper mold. The process removes dissolved gases, reduces undesired trace elements, improves oxide cleanliness, and achieves directional solidification of the ingot from bottom to top.

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.

How does vacuum help in induction melting furnace?

Vacuum conditions are critical in induction melting furnaces as they help to eliminate gases from the molten metals, preventing quick oxidation. The absence of gases during the melting process ensures the creation of very close compositional tolerances, resulting in consistent metals. The vacuum also provides a protective atmosphere for metals that combine easily or have a close affinity with oxygen, nitrogen and hydrogen. Vacuum induction melting furnaces use electromagnetic induction to melt metals and alloys in a refractory lined crucible enclosed by an induction coil, creating eddy currents that make the melting process possible.

How does vacuum arc melting furnace work?

A vacuum arc melting furnace works by melting materials under a vacuum or low-pressure atmosphere using electric arcs. The furnace uses two electrodes, one of which is the material to be melted. The electrodes are brought close together and an electric arc is struck between them, causing the material to melt. The furnace is then evacuated to remove any impurities and the molten material is cast into a desired shape. This process is used for the production of high-purity metals, alloys, and intermetallics used in industries such as aerospace, electronics, and biomedical engineering.

What is vacuum induction melting furnace?

A vacuum induction melting furnace is a metallurgical furnace that uses an alternating electromagnetic field to melt and form various materials under vacuum or protective atmosphere. It is widely used in the vacuum metallurgy field and is essential for producing alloys and special steels used in the aerospace, electronics, and atomic energy industries. Vacuum induction melting furnaces are also used to improve the hot workability and mechanical properties of nickel, cobalt, and iron-based superalloys, as well as to melt stainless steel, heat-resistant steel, ultra-high strength steel, and various other materials to ensure their quality and performance.

What are the applications of vacuum arc melting furnaces?

Vacuum arc melting furnaces are commonly used in the production of high-performance materials, such as superalloys, special steels, and reactive metals. These materials often require high-purity and controlled composition, which can be achieved through vacuum arc melting. The process is particularly suited for the production of critical components in aerospace, automotive, and energy industries, where high strength, corrosion resistance, and temperature stability are vital. Vacuum arc melting is also used in research and development settings to produce small quantities of specialized alloys for testing and characterization purposes.

What are the advantages of using vacuum arc melting furnaces?

Vacuum arc melting furnaces offer several advantages. Firstly, the high vacuum environment prevents oxidation and contamination, resulting in high-purity melted metals. This is especially important for producing materials with stringent quality requirements. Secondly, the electric arc generates intense heat, allowing for rapid and efficient melting of the metal. The process can be precisely controlled to achieve specific melting parameters, such as temperature, pressure, and cooling rate, facilitating the production of alloys with desired properties. Vacuum arc melting furnaces also offer flexibility in terms of the size and shape of the melted metal, as the consumable electrode can be easily replaced or modified. Additionally, the process allows for the selective removal of impurities, such as gases and non-metallic inclusions, further enhancing the purity and quality of the final melted metal.

What safety precautions should be followed when using a vacuum arc melting furnace?

When using a vacuum arc melting furnace, several safety precautions should be followed to ensure safe operation. Firstly, the furnace should be operated by trained personnel who are familiar with the equipment, its operation, and safety protocols. Adequate personal protective equipment, such as heat-resistant gloves, safety goggles, and fire-resistant clothing, should be worn when handling hot materials or operating the furnace. The vacuum system should be regularly inspected and maintained to ensure proper functionality and prevent safety risks. It is important to follow the manufacturer's guidelines and instructions for safe operation and maintenance of the vacuum arc melting furnace. Additionally, proper handling and disposal of consumable electrodes and melted materials should be carried out according to established safety guidelines and regulations. Regular inspections and maintenance of the furnace, including electrical systems, cooling systems, and gas handling components, should be performed to ensure safe and reliable operation.
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4.9

out of

5

The vacuum induction melting furnace is a top-notch piece of equipment. It's incredibly efficient and produces high-quality alloys. Highly recommend!

Aimee Ross

4.8

out of

5

I'm amazed by the speed and precision of this furnace. It's a game-changer for our research lab, enabling us to conduct experiments more efficiently.

Rafael Knight

4.7

out of

5

The Non-Consumable Vacuum Arc Furnace is a valuable addition to our lab. It's user-friendly, delivers consistent results, and has significantly improved our research capabilities.

Anika Patel

4.9

out of

5

The Induction Melting Furnace has exceeded our expectations. It's a versatile and reliable piece of equipment that has streamlined our alloy production process. Highly satisfied!

Liam Baker

4.8

out of

5

The Vacuum Arc Furnace is a remarkable piece of technology. It allows us to create alloys with exceptional purity and precision. Truly a game-changer for our research.

Harper White

4.7

out of

5

The Induction Melting Furnace has revolutionized our alloy production process. It's efficient, reliable, and produces high-quality alloys consistently. Highly recommend!

Oliver Jones

4.9

out of

5

The Non-Consumable Vacuum Arc Furnace is a must-have for any research lab working with high-temperature materials. It's a powerful and versatile tool that has enabled us to make significant breakthroughs in our research.

Amelia Green

4.8

out of

5

The Vacuum Induction Melting Furnace has been a game-changer for our research. It allows us to create alloys with precise compositions and exceptional purity. Highly satisfied with its performance.

Lucas Brown

4.7

out of

5

The Induction Melting Furnace is a reliable and efficient piece of equipment. It has significantly improved our productivity and enabled us to produce high-quality alloys consistently.

Isabella Garcia

4.9

out of

5

The Non-Consumable Vacuum Arc Furnace is an incredible piece of technology. It's incredibly versatile and allows us to create alloys with unique properties. Highly recommend it for advanced research.

Elijah Martinez

4.8

out of

5

The Vacuum Induction Melting Furnace has enabled us to achieve exceptional results in our research. It's a powerful and reliable tool that has opened up new possibilities for our team.

Sophia Harris

4.7

out of

5

The Induction Melting Furnace has been an excellent addition to our lab. It's easy to use, produces consistent results, and has significantly improved our efficiency. Highly recommend!

Jackson Davis

4.9

out of

5

The Non-Consumable Vacuum Arc Furnace is a remarkable piece of equipment. It's incredibly precise and allows us to create alloys with exceptional purity. Highly satisfied with its performance.

Mia Rodriguez

4.8

out of

5

The Vacuum Induction Melting Furnace has been a game-changer for our research. It's a versatile and powerful tool that has enabled us to make significant breakthroughs in our field.

Benjamin Wilson

4.7

out of

5

The Induction Melting Furnace is an excellent choice for labs working with high-temperature materials. It's reliable, efficient, and produces high-quality alloys consistently. Highly recommend!

Abigail Johnson

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Catalog of Vacuum Furnace

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Catalog of Vacuum Furnace

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Catalog of Vacuum Induction Melting Furnace

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Catalog of Vacuum Arc Melting Furnace

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