Vacuum Furnace

Vacuum arc furnace Induction melting furnace

Name: Vacuum arc furnace Induction melting furnace
Brand: Kintek Solution
SKU: KT-VA
Rating: 4.8 (18 reviews)

Item Number : KT-VA

Price varies based on specs and customizations

Capacity: 1-200 kg
Working voltage: 20-40 V
Vacuum pressure: 1.3-1.3x10-2

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Applications

Vacuum arc furnace is mainly used to melt active metals such as titanium, niobium, zirconium and refractory metals such as tungsten and molybdenum. In addition, it is also used to melt iron base, nickel base, cobalt base and other alloy materials.

Vacuum arc furnace is characterized by high temperature, high speed melting, remarkable degassing effect, free of refractory contamination of molten metal, and able to reduce non-metallic inclusions in metal.

Vacuum arc furnace is widely used in the smelting and purification of ultra-high temperature metal materials, high entropy alloy materials, parent alloy materials, refractory metal materials, rare and precious metal materials in schools, research institutes and institutions. It can effectively remove oxygen and impurities.

Detail & Parts

It is used for smelting high melting point metals/alloys and preparing bulk amorphous materials by vacuum suction casting. It is suitable for scientific research and small batch preparation of new vacuum metallurgy materials in universities and scientific research institutes.

It is mainly composed of arc melting vacuum chamber, arc gun, arc melting power supply, five-station water-cooled copper crucible, turning manipulator, vacuum suction casting device, working gas circuit, system exhaust, vacuum measurement and electrical control system, installation machine and other parts composition.

Feature

The furnace body is all stainless steel, with beautiful appearance and no rust.
Adopt vertical cylindrical vacuum chamber
Equipped with a large diameter observation window, the smelting situation in the furnace can be observed in real time
The smelting temperature is high, the temperature can be above 3500 degrees,
A special melting power supply for arc melting is adopted.
Equipped with an operation simulation screen, the control data is intuitively displayed, and the operation is intuitive and simple
High vacuum design, the vacuum degree can reach 5x10E-4Pa and above
Use over-temperature protection and add filter glass to protect eyes
The water-cooled copper electrode can be moved 360 degrees, and the operation is flexible. At the same time, the water-cooled crucible is small and replaceable, and can be customized.
With material turning device, to overcome the situation of uneven melting on one side of the material
Casting station with vacuum suction casting
Efficiency of equipment: Most metal materials are heated and remelted for one minute or less.

Technical specifications

Model	KT-VA1	KT-VA5	KT-VA25	KT-VA200
Capacity (Kg)	1	5-15	25	200
Working voltage (V)	20-40
Working current (A)	1000A	3000A	6000A	12000A
Vacuum pressure (Pa)	1.3-1.3x10-2
Electrode size (mm)	Φ25-40 x 400	Φ10-45x1200	Φ30-60x1350	Φ56-150x1745
Ingot size (mm)	Φ60x100	Φ80x135	Φ100x400mm	Φ200x670mm
Dimensions (m)	0.8x0.35x1.8	3.81x3.0x5.21	4.43x3.33x4.93	7.4x3.4x6.72

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.

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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 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.

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 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 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 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 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.

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.

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.

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.

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 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 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.

View more faqs for this product

4.8

out of

5

Vacuum arc furnace is a great tool for melting active metals and preparing bulk amorphous materials by vacuum suction casting.

Celso Orrico

4.9

out of

5

The vacuum induction furnace allows for the smelting of refractory metals and the production of special corrosion-resistant and heat-resistant alloys.

Aline Giesbrecht

4.7

out of

5

Vacuum induction melting furnace has the advantages of no air and vacuum induction furnace slag pollution, pure alloy, and low gas content.

Dorian Coombs

4.8

out of

5

The vacuum induction furnace is widely used in the smelting and purification of various metal materials in schools, research institutes, and institutions.

Ayanna Dyer

4.9

out of

5

Vacuum arc furnace is characterized by high temperature, high speed melting, remarkable degassing effect, and free of refractory contamination of molten metal.

Xitlali Tillman

4.7

out of

5

The vacuum induction melting furnace is mainly composed of a furnace shell, inductor, crucible, furnace tilting mechanism, mold mechanism, power supply device, and a water cooling system.

Marisol Shipp

4.8

out of

5

The vacuum arc furnace is mainly used to melt active metals such as titanium, niobium, zirconium and refractory metals such as tungsten and molybdenum.

Adan Cornett

4.9

out of

5

Vacuum induction melting technology and induction smelting technology have been applied in different occasions.

Lizeth Marbury

4.7

out of

5

The development and progress of vacuum induction furnace are mainly reflected in the gradual improvement of the overall structure of the equipment, the increasingly obvious trend of modularization and the more intelligent control system.

Karlee Hemmings

4.8

out of

5

Vacuum arc furnace is suitable for scientific research and small batch preparation of new vacuum metallurgy materials in universities and scientific research institutes.

Araceli Mccartney

4.9

out of

5

The vacuum induction furnace is widely used in the smelting and purification of ultra-high temperature metal materials, high entropy alloy materials, parent alloy materials, refractory metal materials, rare and precious metal materials.

Kenyon Mckee

4.7

out of

5

The vacuum arc furnace can effectively remove oxygen and impurities.

Asha Baker

4.8

out of

5

The vacuum induction furnace is mainly used to melt active metals, such as titanium alloy, etc.

Jillian Mccall

4.9

out of

5

The vacuum induction furnace can prevent melting of metals and alloys, and react with non-metallic inclusions.

Leilani Glass

4.7

out of

5

The vacuum induction furnace can remove the harmful dissolved gases and pollutants in molten metals.

Azucena Wooten

4.8

out of

5

The vacuum induction furnace has the advantages of no air and vacuum induction furnace slag pollution, pure alloy, and low gas content.

Leandro Barrera

4.9

out of

5

The vacuum arc furnace is widely used in the smelting and purification of various metal materials in schools, research institutes, and institutions.

Lauryn Cullen

4.7

out of

5

The vacuum induction melting furnace is mainly composed of a furnace shell, inductor, crucible, furnace tilting mechanism, mold mechanism, power supply device, and a water cooling system.

Alonzo Dorman

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Vacuum arc furnace Induction melting furnace

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Detail & Parts

Feature

Technical specifications

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FAQ

What is a vacuum furnace used for?

What is vacuum arc melting process?

How does a vacuum induction melting furnace work?

What is the process of a vacuum furnace?

What is VAR Vacuum Arc Remelting (VAR)Furnace?

What are the advantages of vacuum induction melting?

What gas is used in a vacuum furnace?

How does vacuum arc melting furnace work?

How does vacuum help in induction melting furnace?

What is the heating element used in a vacuum furnace?

What are the applications of vacuum arc melting furnaces?

What is vacuum induction melting furnace?

What are the advantages of using vacuum arc melting furnaces?

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

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Catalog of Vacuum Arc Melting Furnace

Catalog of Vacuum Induction Melting Furnace

Catalog of Vacuum Furnace

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