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plaster molding

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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
... Abstract This article discusses slurry molding that encompasses two distinct processes: plaster molding and ceramic molding. Plaster mold casting is a specialized casting process used to produce nonferrous castings that have greater dimensional accuracy, smoother surfaces, and more finely...
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Published: 01 November 1995
Fig. 4 Plastic-resin-faced plaster mold More
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Published: 01 December 2008
Fig. 9 This aluminum plaster mold casting is an example where thin cores became excessively hot when surrounded by molten metal, causing shrinkage porosity. More
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Published: 01 December 2008
Fig. 3 An aluminum elbow (alloy 356) cast by the plaster mold process to three different thicknesses to determine the effect of wall thickness. Rejections were 80% with 0.040-in. wall, 35% with 0.060-in., and 10% with 0.080-in. More
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Published: 01 December 2008
Fig. 17 Using a 4.8% Zn, 2.3% Mg aluminum alloy, this plaster mold casting distorted out of tolerance and was not producible to the original design. Using alloy 356, the casting was produced as designed, and distortion was within acceptable limits. More
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Published: 01 December 2008
Fig. 4 Plaster mold and core showing location pins for matching the cope and drag sections More
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Published: 01 December 2008
Fig. 5 Typical setup for vacuum-assist pouring of a conventional plaster mold casting. (a) Side view of conventional plaster mold positioned between upper and lower plates for pouring with vacuum assist. (b) Details of a top plate (A) seen from the bottom showing vacuum channels More
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
... resins; shell molding of sand with a thin resin-bonded shell; no-bond vacuum molding of sand; plaster-mold casting; ceramic-mold casting; rammed graphite molding; and magnetic (no-bond) molding of ferrous shot. The article tabulates a general comparison of casting methods and discusses the basic...
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.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...
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Published: 01 December 2008
Fig. 3 Preferred shape of bucket and position of propeller used in the batch mixing of plaster slurries for conventional plaster molds More
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Published: 01 December 2008
would be a practical solution in this aluminum plaster mold casting. More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... that use ceramic molds include investment casting, and plaster casting. Metallic molds are used in permanent mold casting, die casting, semisolid casting, and centrifugal casting. centrifugal casting ceramic molds CO2 process cold box process die casting hot box process investment casting lost...
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
..., shell mold casting, plaster casting, investment casting, permanent mold casting, squeeze casting, semisolid forming, centrifugal casting, and pressure die casting. The article presents several different factors on which the selection of a casting process depends. It discusses gating and risering...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009019
EISBN: 978-1-62708-187-0
... Abstract Cores are separate shapes, of sand, metal, or plaster, that are placed in the mold to provide castings with contours, cavities, and passages. Cored holes should be designed simply as the intended function of the casting permits. This article describes the designing of casting...
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
...-copper, aluminum-copper-silicon, aluminum-silicon, aluminum-magnesium, aluminum-zinc-magnesium, and aluminum-tin. The article also describes the main casting processes for aluminum alloys, which include die casting, permanent mold casting, sand casting (green sand and dry sand), plaster 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 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
... is opened and the casting is ejected. To ∼45 kg (100 lb) 2–5° ∼4.8 0.1875 500+ $5000–400,000+ Samples: 8–20 weeks Production: 10–12 weeks after approval Plaster mold A plaster slurry is poured into the pattern halves. After setting, the mold is removed from the pattern, baked, assembled...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009021
EISBN: 978-1-62708-187-0
... ± 0.010 0.062 ± 0.010 0.093 ± 0.010 Die casting 0.062 ± 0.010 0.093 ± 0.010 … Plaster mold 0.080 ± 0.015 … … (a) For compatibility with economical production. Not the thinnest producible by the processes. Because so many aspects of design (such as the area of the thin-wall...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003127
EISBN: 978-1-62708-199-3
... Abstract Aluminum casting alloys are the most versatile of all common foundry alloys and generally have the highest castability ratings. Aluminum alloy castings are routinely produced by pressure-die, permanent-mold, green and dry-sand, investment, and plaster casting. This article describes...