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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005249
EISBN: 978-1-62708-187-0
... reproduced detail. The article describes three generally recognized plaster mold processes, namely, conventional plaster mold casting, the Antioch process, and the foamed plaster process. Ceramic molding techniques are based on processes that employ permanent patterns and fine-grained zircon and calcined...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... foam casting metallic molds no-bake process permanent mold casting plaster casting sand molds semisolid casting vacuum molding Classification of Molding Methods MOLDING METHODS and materials encompass a wide range of options. Some molding (casting) processes are centuries old, while...
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 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
... sand, chemically bonded sand, plaster mold, and investment casting. Important variations include molding and pattern distinctions such as lost foam (evaporative pattern), shell and V-mold, and process derivatives such as squeeze casting, low-pressure permanent mold, vacuum riserless casting...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005187
EISBN: 978-1-62708-187-0
... Abstract This article discusses the categories and subcategories of shape casting processes. These include single-use processes such as sand, plaster, ceramic, and graphite molding; essentially unpressurized multiuse processes, such as permanent mold; and high-pressure metal mold methods...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005241
EISBN: 978-1-62708-187-0
... step of the casting process than any other place in the foundry. This is why some of the expendable pattern practices (i.e., lost foam and investment casting) may have an advantage over the permanent pattern methods of the expendable molding processes. Fig. 6 Vibratory shakeout of castings...
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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003127
EISBN: 978-1-62708-199-3
... holes in bosses for fastening or as passage for fluids. Casting Processes Aluminum alloy castings are routinely produced by pressure-die, permanent-mold, green- and dry-sand, investment, and plaster casting. Aluminum alloys are also readily cast with vacuum, low-pressure, centrifugal, and pattern...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001061
EISBN: 978-1-62708-162-7
...-mold, green-and dry-sand, investment, and plaster casting. Aluminum alloys are also readily cast with vacuum, low-pressure, centrifugal, and pattern-related processes such as lost foam. Total shipments of aluminum foundry products (all types of castings exclusive of ingot) in the United States for 1988...
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
... …  Slurry processes   Plaster Nonferrous 1 Yes Unlimited Outstanding   Ceramic All 1 Yes Unlimited Outstanding  Rammed graphite Reactive 1 Yes Unlimited …  Nonbonded sand processes   Vacuum molding Aluminum 1 NA Unlimited …   Magnetic molding Ferrous 1...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005260
EISBN: 978-1-62708-187-0
... control THE PERMANENT MOLD CASTING PROCESS involves the production of castings by pouring molten metal into permanent metal molds using gravity, low pressure, vacuum, or centrifugal pressure. Simple reusable cores are usually made of metal. More complex cores are made of sand, plaster, ceramics...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005186
EISBN: 978-1-62708-187-0
.... The process, known today as lost-foam casting (using loose, unbonded sand), is patented a short time later. Phenolic and furan acid-catalyzed no-bake binder systems are introduced. Ductile iron desulfurization via shaking ladles is developed in Sweden. 1959—General Electric uses the transient heat-transfer...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003413
EISBN: 978-1-62708-195-5
...-members, truck beds, and floor pans. The most successful high-volume applications have been the manufacture of foam-cored spoilers by Sotira (France) using RTM and variants on that process for a variety of European vehicles. The process reached maturity for nonstructural parts with the introduction...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005308
EISBN: 978-1-62708-187-0
... mold (see the articles “Investment Casting” and "Replicast Molding" and the discussion of the lost foam process in the article “Lost Foam Casting” in this Volume). The pattern equipment (tooling) needed to make a casting includes the pattern and may also include one or more core boxes. Core boxes...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002492
EISBN: 978-1-62708-194-8
... and plaster. Preform molding gives more consistent and more attractive products than those produced by lay-up or spray-up processes. Resin Transfer Molding (RTM) Resin transfer molding (RTM) is a matched-mold process that uses low-cost molds. The reinforcement is laid up dry in the mold, and liquid...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003036
EISBN: 978-1-62708-200-6
.... For prototype work and resin-coated and sculptured high-density foam, a framework covered with a nonporous face sheet such as sheet metal, a precured ply, or a plaster model may be used. A large number of parts can be made on a plastic-resin-faced plaster mold ( Fig. 4 ). Laminated molds consisting...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006519
EISBN: 978-1-62708-207-5
... before the molten metal is introduced but during the introduction of the molten metal, thus the term lost foam . The basic steps of the shell process are illustrated in Fig. 4 . Fig. 1 Wax molding machine for investment casting. Source: Ref 4 Fig. 2 Wax cluster. Source: Ref 4...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003018
EISBN: 978-1-62708-200-6
... that they process only precut sheets. They feature multiple zone stops in the oven and continuous sheet advancement. Web-Fed, or Continuous, Thermoformers Web-fed, or continuous, thermoformers generally process rolls of thin-gage solids and medium-gage to heavy-gage foams. Chain feeds move the material from...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006513
EISBN: 978-1-62708-207-5
..., and papermaking and printing rolls are examples of aluminum parts produced by centrifugal casting. Aluminum alloys suitable for permanent mold, sand, and plaster casting can be cast centrifugally. Squeeze Casting Squeeze casting is considered a high-integrity process, and has emerged as an alternative...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005307
EISBN: 978-1-62708-187-0
... alloys. It also reviews other casting processes for zinc alloys, such as sand casting, permanent mold casting, plaster mold casting, squeeze casting, and semisolid casting. alloy composition casting die casting furnaces hot chamber die casting inclusions permanent mold casting plaster mold...