Furnace/

Vacuum Furnaces

A vacuum furnace is an enclosed structure that produces heat for industrial purposes; most common is the treatment of steel alloys. This type of heat treating process takes place in a vacuum, or airtight, enclosed structure which alleviates surface reactions. The lack of air and other gases in the enclosure prevents these items from becoming a source of contamination. Vacuum furnaces are able to heat various metals to high temperatures and perform processes such as brazing, sintering and heat treatment under precise and controlled conditions with high consistency and low contamination.

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The GRIEVE CORPORATION
Round Lake, IL
847-546-8225
Whatever your requirement may be, a Grieve Corporation product is most likely your best solution. At Grieve, you will find quality at each and every step of the design and manufacturing process. Using CAD, CAM and CAE design equipment paired with our ever-improving manufacturing procedures, we can make the very best products, including vacuum furnaces possible.
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Inductotherm Corp.
Rancocas, NJ
888-463-8286
At Inductotherm Corp. we design and manufacture a complete line of equipment for melting, heating, coating, galvanizing and galvanealing on a continuous basis, primarily for the steel industry. We are able to provide the worlds most advanced technology to make sure the vacuum furnaces you receive are the best in the industry. For more information, please give us a call.
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Kleenair Products Company
Clackamas, OR
800-275-5152
At Kleenair Products, our application experience and engineering capabilities allow us to provide customized systems to meet a company`s requirements no matter how simple or complex. Our state-of-the-art control systems and fully automated thermal processing equipment is the best in the business. Choose Kleenair for all of your vacuum furnaces and other needs.
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Charles A. Hones, Inc.
North Amityville, NY
631-842-8886
Charles A. Hones is a trusted manufacturing company offering a wide range of solutions. Because we build each product in house and to order, we can easily customize dimensions, BTU outputs and accessories - and we have a great deal of experience in doing so. For your vacuum furnaces, choose a company that relishes in the challenges of complex jobs.
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Upton Industries, Inc.
Roseville, MI
800-541-1204
At Upton Industries, our in-house engineering and manufacturing disciplines allow for total project control over equipment design and build within one site. We are able to create the precise products you need, including quality vacuum furnaces. Here, all equipment is preassembled and fully tested prior to shipment to a customer's facility. Call or visit our website today!
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Vacuum Furnaces

Vacuum furnaces are ideal for processing parts for bright annealing, stress relieving, normalizing, tempering, degassing, brazing and other industrial purposes in which high pressure cooling or quenching mediums are used. Typically, vacuum furnaces use low atmospheric pressure for heating. The use of vacuum furnaces for heating applications provides a number of benefits. First, vacuum furnaces have the capability of controlling temperature within a small area. The furnace is able to keep the temperature uniform throughout the enclosure, making it ideal for metals that are sensitive to variations in temperature. Due to their use of a vacuum, they also offer low contamination of the product by carbon, oxygen and other gases. Further, because oxygen is removed in a vacuum, oxidation is unable to occur. Vacuum furnaces also use quenching, providing quick cooling of the product. If chosen, the process can also be controlled by a computer in order to ensure metallurgical repeatability.

Important factors to consider when selecting a vacuum furnace are its pressure range, process temperature, control systems, chamber length, single/multiple chamber, height, width and outer tube diameter. Pressure range represents the range of pressure the furnace can run on. Meanwhile process temperature is the range of temperatures the furnace employs. Control systems refer to the technology that makes it easiest to monitor and control the variable, making the process run smoothly. The length of the chamber is the length of the furnace; there can also be a single or multiple chambers, depending on what the vacuum furnace is being used for. Height and width are measured using internal measurements of the furnace.