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lost foam casting

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005254
EISBN: 978-1-62708-187-0
... Abstract This article discusses the sequence of operations for producing a foam pattern for casting. It provides information on expandable polystyrene, the most preferred material for manufacturing lost foam patterns. The article then describes the major functions of pattern molding...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006508
EISBN: 978-1-62708-207-5
... Abstract Lost foam casting is a sand casting process in which the mold consists of an evaporative polystyrene foam pattern embedded in sand. It is especially well suited for making complex parts with convoluted features such as engine blocks, transmission cases, and cylinder heads. This article...
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Published: 01 December 2008
Fig. 6 Cast manifold with positive pattern for lost foam casting. Courtesy of the Vulcan Group More
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Published: 01 December 1998
Fig. 10 Pouring of a lost foam casting More
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Published: 01 December 2008
Fig. 1 Cast manifold with positive pattern for lost foam casting. Courtesy of the Vulcan Group More
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Published: 01 December 2008
Fig. 2 Pouring of a lost foam casting More
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Published: 30 November 2018
Fig. 7 Pouring of a lost foam casting More
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Published: 30 November 2018
Fig. 16 Lost foam casting facility with pressurization autoclaves. Courtesy of Mercury Marine More
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Published: 30 November 2018
Fig. 3 Minimum section thickness for lost foam castings. Source: Ref 2 . Courtesy American Foundry Society More
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005287
EISBN: 978-1-62708-187-0
... Abstract Aluminum casting alloys are the most versatile of all common foundry alloys and generally have the highest castability ratings. This article provides an overview of the common methods of aluminum shape casting. These include gravity casting, die casting, sand casting, lost foam casting...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
..., dry sand molds, resin-bonded sand molds, and sodium silicate bonded sand. The article describes the casting processes that use these molds, including the no-bake process, cold box process, hot box process, the CO2 process, lost foam casting process and vacuum molding process. The casting processes...
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Published: 01 December 2008
Fig. 10 Dumping and extraction of casting in lost-foam operation. More
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Published: 01 December 2008
Fig. 9 Dumping and extraction of casting in lost-foam operation. Courtesy of Vulcan Engineering More
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Published: 30 November 2018
Fig. 15 Dumping and extraction of casting in lost foam operation. Courtesy of Vulcan Engineering More
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.9781627082075
EISBN: 978-1-62708-207-5
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005253
EISBN: 978-1-62708-187-0
.... castings lost foam casting expendable mold process expendable pattern method investment casting patternmaking permanent pattern method polystyrene replicast casting ceramic shell mold CASTING WITH EXPENDABLE MOLDS is a very versatile metal-forming process that provides tremendous freedom...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005256
EISBN: 978-1-62708-187-0
... of the investment casting process in terms of molding but with an expendable pattern made from high-quality expanded polystyrene (EPS) as in lost foam (instead of the lost wax pattern of investment casting). The EPS pattern is coated in ceramic slurry and then fired to produce the ceramic mold. The firing process...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006524
EISBN: 978-1-62708-207-5
... presents the advantages and disadvantages of green sand casting, permanent mold casting, semipermanent mold casting, and high-pressure die casting. A discussion on other casting processes, such as investment casting, lost foam, plaster mold casting, pressure casting, centrifugal casting, and semisolid...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009015
EISBN: 978-1-62708-187-0
... material, the patterns may be permanent as is typical in sand casting or expendable as in lost foam and investment casting. When patterns are permanent, the mold must be separable into two or more parts in order to permit withdrawal of the permanent pattern ( Fig. 2 ). The tapered ends of the pattern...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005251
EISBN: 978-1-62708-187-0
... (as in lost-foam casting) or by the use of an applied force (as in vacuum molding and magnetic molding described here). Unbonded (or no-bond) molding processes involve free-flowing mold particles and do not require binders, mulling equipment, or mold additives. This article describes the no-bond methods...