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vacuum furnaces

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Published: 30 April 2024
Fig. 4.3 Horizontally loading vacuum furnaces. (a) Single-chamber vacuum furnace with gas/fan quenching. (b) Two-chamber vacuum furnace. One chamber is for heating; the integral second chamber is for gas/fan quenching. The unit is loaded/unloaded from the quenching chamber. (c) Same as (b More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380061
EISBN: 978-1-62708-456-7
... Abstract This chapter discusses vacuum furnace processes and their design. The chapter focuses on the pressure levels, heating elements, pumping systems, temperature control systems, and quenching systems in vacuum furnaces. It then details specific applications of vacuum heat treating...
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Published: 01 October 2011
Fig. 9.27 Furnaces with configurations for horizontal loading. (a) Car-bottom vacuum furnace. (b) Tip-up furnace More
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Published: 01 March 2006
Fig. 12 A batch-graphite integral oil-quench vacuum furnace with vacuum-carburizing capability. Source: Ref 9 More
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Published: 01 September 2005
Fig. 67 A batch-graphite integral oil quench vacuum furnace with vacuum carburizing capability More
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Published: 01 March 2006
Fig. 11 Single-chamber batch-type pressure-quench vacuum furnace. Source: Ref 8 More
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Published: 01 November 2011
Fig. 7.6 Typical construction of horizontal side-loaded cold-wall vacuum furnace, which is ideal for brazing of small assemblies that can be placed in stacked baskets or on tiers of work grids. Source: Ref 7.1 More
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Published: 01 January 1998
Fig. 6-4 Schematic of a single-chamber batch-type pressure-quench vacuum furnace More
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Published: 01 January 1998
Fig. 6-5 Schematic of a typical in-line multiple-chamber vacuum furnace More
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Published: 30 April 2024
Fig. 4.1 Vertical bottom-loading cold-wall vacuum furnace. Source: Ref 1 More
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Published: 30 April 2024
Fig. 4.2 Vertical top-loading cold-wall vacuum furnace. Source: Ref 1 More
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Published: 30 April 2024
Fig. 4.5 Typical vacuum furnace pumping system containing mechanical and diffusion pumps with interconnected valving and piping. Source: Ref 1 More
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Published: 30 April 2024
Fig. 4.14 Single-chamber batch-type pressure-quench vacuum furnace. Source: Ref 1 More
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Published: 30 April 2024
Fig. 4.15 Typical in-line multiple-chamber vacuum furnace. Source: Ref 1 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900109
EISBN: 978-1-62708-358-4
... Abstract Furnaces for heat treatment of tool steels include ceramic-lined salt bath furnaces, vacuum furnaces, controlled-atmosphere furnaces, and fluidized-bed furnaces. This chapter describes the classification, operating principles, application, advantages, and disadvantages of each type...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440055
EISBN: 978-1-62708-262-4
..., and disadvantages of furnaces classified based on the heat transfer medium employed. The types of furnaces covered are batch-type, continuous-type, liquid bath, fluidized bed, and vacuum. The subsequent sections provide information on furnace parts, fixtures, quenching mediums, and quenching systems. The final...
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Published: 01 October 2011
Fig. 9.28 Examples of vertically loaded furnaces. (a) Pit furnace. (b) Bell and hood furnace. (c) Elevated hearth vacuum furnace, which is the reverse version of the bell and hood type More
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Published: 01 June 1988
Fig. 11.26 Two views of a small vacuum induction melting furnace Source: Vacuum Industries, Inc. More
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Published: 30 April 2024
Fig. 4.9 Relative comparison of cooling rates and backfill pressures in a vacuum furnace. Source: Ref 1 More
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Published: 30 April 2024
Fig. 4.4 Relationship between heat-shield efficiency and emissivity of sheet metal in vacuum furnaces with various numbers ( N ) of shields. Source: Ref 1 More