Products Thermal Equipment Vacuum Furnace Vacuum Heat Treat Sintering Brazing Furnace
Vacuum Heat Treat Sintering Brazing Furnace

Vacuum Furnace

Vacuum Heat Treat Sintering Brazing Furnace

Item Number : KT-BF

Price varies based on specs and customizations


Specifications
Please refer to the chart below for detailed parameters.
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Introduction

A vacuum brazing furnace is a type of industrial furnace used for brazing, a metalworking process that joins two pieces of metal using a filler metal that melts at a lower temperature than the base metals. Vacuum brazing furnaces are typically used for high-quality applications where a strong, clean joint is required.

Vacuum brazing furnaces operate by creating a vacuum inside the furnace chamber, which removes oxygen and other gases that can interfere with the brazing process. This creates a clean environment that promotes strong, reliable joints. Vacuum brazing furnaces are also capable of achieving very high temperatures, which allows for the brazing of a wide variety of metals, including stainless steel, titanium, and aluminum.

Details & Part

Vacuum brazing furnace

Applications

Vacuum brazing furnaces are widely used in various industries and applications due to their ability to create strong and leak-proof joints. Some of the main application areas include:

  • Heating and cooling assemblies
  • Micro-channel heat exchangers
  • Aircraft components
  • Sensors
  • Medical devices
  • Structural components
  • Other thermal products

Features

The vacuum brazing furnace offers numerous benefits that enhance its functionality and value for customers:

  • Exceptional temperature uniformity: The furnace's design ensures uniform heating throughout the chamber, resulting in consistent and precise brazing results.
  • Efficient heating system: The furnace utilizes a high-performance heating system that rapidly reaches and maintains the desired temperature, reducing cycle times and increasing productivity.
  • Advanced vacuum system: The furnace is equipped with a sophisticated vacuum system that effectively removes oxygen and other contaminants from the chamber, ensuring a clean and controlled brazing environment.
  • User-friendly interface: The furnace features an intuitive and easy-to-use interface that simplifies operation and monitoring, minimizing the need for extensive training.
  • Robust construction: The furnace is constructed from durable materials and components, ensuring longevity and reliability in demanding laboratory environments.

Principle

The vacuum brazing furnace is a horizontal furnace body, composed of a furnace shell, furnace lining, heating element, furnace tank, material tray, vacuum system, and electronic control system. The furnace shell is welded from carbon steel plates and section steel. It is lined with high-quality insulation bricks and refractory bricks and is constructed in three zones. The heating elements are made of iron-chromium-aluminum wire and are arranged in a spiral shape on the wire bricks on both sides and bottom of the furnace. The vacuum system uses a three-stage vacuum pump, which is composed of a vacuum unit, an oil diffusion pump, a Roots pump, a mechanical pump, a pneumatic baffle valve, and a manual butterfly valve.

Advantages

  • High-quality joints with minimal voids and excellent mechanical properties
  • No need for flux, which eliminates potential contamination and post-brazing cleaning
  • Reduced oxidation and scaling, resulting in cleaner joints
  • Precise temperature control, which allows for the joining of materials with different melting points
  • Suitable for joining complex components and assemblies
  • The environmentally friendly process with minimal waste generation

Technical specification

Rated power 100 Kw
Rated temperature 700 ℃
Power supply 380 V, 50 Hz
Working area size Φ820×1700㎜
Cold ultimate vacuum 6.67×10-3Pa
Pressure rise rate 2pa/h
Temperature control accuracy  ±1℃

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 Are The Advantages Of Vacuum Brazing?

Vacuum brazing offers several advantages over traditional brazing methods, including:- Elimination of flux, resulting in cleaner joints- Prevention of oxidation, ensuring high-quality bonds- Precise temperature control, enabling the joining of complex components

What Materials Can Be Vacuum Brazed?

Vacuum brazing is suitable for a wide range of materials, including:- Metals: steel, stainless steel, aluminum, copper, titanium- Ceramics: alumina, zirconia, silicon nitride- Composites: carbon fiber, glass fiber

What Is The Difference Between A Cold-walled And Hot-walled Vacuum Furnace?

In a cold-walled furnace, the heating elements are located outside the vacuum chamber, while in a hot-walled furnace, the heating elements are located inside the chamber. Cold-walled furnaces offer better temperature uniformity and lower operating costs, while hot-walled furnaces provide faster heating rates.

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 The Purpose Of A Vacuum Hot Press Furnace?

The purpose of a vacuum hot press furnace is to combine vacuum or atmosphere, hot pressing, and high-temperature sintering to form new materials. It can be used in the vacuum sintering of transparent ceramics, industrial ceramics, and metals, as well as the high-temperature sintering of ceramic materials such as silicon carbide and silicon nitride. Additionally, it can be used for the heat treatment of powders and compacts at a temperature lower than the melting point of the main components, which improves their strength through metallurgical combination between particles. The finished materials have improved mechanical, electronic, and thermal properties.

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 A Vacuum Hot Press Furnace?

Advantages of a vacuum hot press furnace include hot pressing sintering of metal and ceramic powders, preparation of ceramic/metal composites and intermetallic compounds, research and development of diffusion welding process, and densification hot press sintering of oxygen/nitrogen/boron/carbon compounds and their mixtures. The high temperature and pressure under vacuum or atmosphere help to bond raw materials solid particles together, decrease voids and grain boundaries, and improve the mechanical, electronic, and thermal properties of finished materials.

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 A Vacuum Hot Press Furnace Work?

A vacuum hot press furnace is a piece of equipment that combines vacuum, hot pressing, and high-temperature sintering. It works by heating and pressurizing materials under vacuum or atmosphere to create a compact polycrystalline sintered body with improved mechanical, electronic, and thermal properties. The furnace is composed of several systems including furnace body, heating and heat preservation, temperature measurement system, vacuum system, air charging system, water cooling system, control system, and pressure system. Heating elements can be graphite heater, molybdenum heater, or induction heating, and one-way or two-way pressurization can be used for hydraulic pressurization.

What Are The Common Applications Of Vacuum Hot Press Furnaces?

Vacuum hot press furnaces have various applications in industries such as aerospace, automotive, electronics, and materials research. They are used for the production of advanced ceramics, such as ceramic matrix composites and sintered carbides, which are used in high-temperature applications. These furnaces are also utilized for the fabrication of metallic alloys, superalloys, and intermetallic compounds with tailored properties. Vacuum hot press furnaces play a crucial role in the production of diamond tools and cutting inserts, as well as in the development of advanced electronic materials and components. Additionally, these furnaces are employed in research laboratories for the synthesis and processing of novel materials with unique properties.

What Factors Should Be Considered When Selecting A Vacuum Hot Press Furnace?

When selecting a vacuum hot press furnace, several factors need to be considered. Firstly, the size and capacity of the furnace should align with the intended application and production requirements. The furnace should accommodate the size and number of samples or components to be processed. The heating and pressure capabilities of the furnace should also be evaluated to ensure they meet the desired temperature and pressure conditions. It is important to consider the level of automation and control systems available, as well as the compatibility with specific materials and processes. Additionally, the reliability, service support, and overall cost of ownership should be assessed. Consulting with manufacturers and experts in the field can help in selecting the most suitable vacuum hot press furnace for specific processing needs.
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4.9

out of

5

This vacuum brazing furnace is a game-changer for our laboratory. The speed of delivery was exceptional, and the quality of the product is top-notch.

Carlito MacAllister

4.8

out of

5

I'm impressed with the value for money I got with this vacuum brazing furnace. It's a durable and technologically advanced piece of equipment that has significantly improved our research capabilities.

Agnieszka Czesław

4.7

out of

5

The vacuum brazing furnace from KINTEK SOLUTION is a valuable asset to our laboratory. Its user-friendly interface and efficient heating system make it a delight to use.

Edon Lindita

4.6

out of

5

The vacuum brazing furnace has exceeded our expectations. The exceptional temperature uniformity ensures consistent and precise brazing results.

Vahid Kazemi

4.8

out of

5

Thank you, KINTEK SOLUTION, for providing us with such an exceptional vacuum brazing furnace. The advanced vacuum system guarantees a clean and controlled brazing environment, leading to high-quality joints.

Margarita Orlov

4.7

out of

5

The vacuum brazing furnace is a lifesaver for our laboratory. Its ability to join complex components and assemblies has opened up new possibilities for our research.

Rómulo Alves

4.9

out of

5

I highly recommend the vacuum brazing furnace from KINTEK SOLUTION. The precise temperature control allows us to join materials with different melting points with ease.

Xiomara Wong

4.8

out of

5

The vacuum brazing furnace has transformed our laboratory. The reduced oxidation and scaling result in cleaner joints, saving us valuable time and resources.

Yilmaz Karaca

4.7

out of

5

The environmentally friendly process of the vacuum brazing furnace aligns perfectly with our laboratory's sustainability goals. Minimal waste generation is a major plus.

Caridad Jacobsen

4.6

out of

5

The vacuum brazing furnace has proven to be a reliable and durable workhorse in our laboratory. Its robust construction ensures longevity and peace of mind.

Emiliano Hansen

4.8

out of

5

The vacuum brazing furnace is an indispensable tool for our laboratory. Its exceptional performance and technological advancements have taken our research to the next level.

Gülşen Demir

4.7

out of

5

The vacuum brazing furnace from KINTEK SOLUTION is a valuable investment for any laboratory. Its high-quality joints and minimal voids ensure the integrity of our research.

Karademir Kadir

4.6

out of

5

The vacuum brazing furnace has streamlined our laboratory processes. Its efficient heating system reduces cycle times, allowing us to maximize our productivity.

Serap Aksoy

4.8

out of

5

The vacuum brazing furnace is a testament to KINTEK SOLUTION's commitment to innovation. Its user-friendly interface and robust construction make it an exceptional choice for any laboratory.

Mustafa Murat

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