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dry sand molding

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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...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005259
EISBN: 978-1-62708-187-0
... of rotation is only 5 rpm. This ensures the proper distribution of hot and cold metal in the mold for the optimal feeding action. Green Sand Molds Centrifugal castings can be made in green sand or dry sand molds. When green sand molds are used, flasks (preferably round) are required. Three methods can...
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Published: 01 December 2008
Fig. 15 Interrelationship of mechanical properties, section diameter, carbon equivalent, and liquidus temperature of gray iron. Data are from one foundry and are based on dry sand molding and ferrosilicon inoculation. More
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Published: 01 January 1990
Fig. 11 Interrelationship of mechanical properties, section diameter, carbon equivalent, and liquidus temperature of gray iron. Data are from one foundry and are based on dry sand molding and ferrosilicon inoculation. More
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Published: 31 August 2017
Fig. 25 Correlation between mechanical properties, test bar diameter, carbon equivalent, and liquidus temperature of gray iron for ferrosilicon inoculated iron poured in dry sand molds. Source: Ref 3 More
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Published: 01 December 2008
Fig. 15 Insufficient pressure from a static head of molten aluminum caused cold shuts and misruns that resulted in rejection of all investment castings of the above design. By centrifuge casting in a close-tolerance dry sand mold, rejections were reduced to an acceptable level. More
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Published: 01 October 2014
Fig. 10 Effects of alloying elements on hardenability of gray iron. Irons 1 through 20 were induction furnace melted and poured into standard dry sand molds 30 mm (1.2 in.) in diameter. Alloy constituents for irons 21 through 32 were added to 205 kg (450 lb) ladles, from which the metal More
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Published: 31 August 2017
Fig. 11 Effects of alloying elements on hardenability of gray iron. Irons 1 through 20 were induction furnace melted and poured into standard dry sand molds 30 mm (1.2 in.) in diameter. Alloy constituents for irons 21 through 32 were added to 205 kg (450 lb) ladles, from which the metal More
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Published: 01 December 2008
-tolerance dry sand molding. More
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005243
EISBN: 978-1-62708-187-0
.... It considers a variety of sand reclamation systems, including wet washing/scrubbing and thermal-calcining/thermal-dry scrubbing combinations. chemically bonded sand molding green sand molding molding equipment flask molds flaskless molds springback expansion defects sand reclamation systems green...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005354
EISBN: 978-1-62708-187-0
..., there is poor collapsibility with reclamation difficulty. Applications With carbon dioxide gas curing, sodium silicate-sand mixtures develop a dry compressive strength that may be in excess of 1.4 MPa (200 psi). By this process, ready-to-use molds or cores can be made in a few minutes; no baking...
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
.... Bonded sand molds can be based on inorganic binders, such as clay or cement, or organic resin-based binders. Inorganic binders, which have long been used in the production of foundry molds and cores, include such processes as green sand molding, dry sand molding, skin-dried molds, loam molding, sodium...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005252
EISBN: 978-1-62708-187-0
... for preparation of resin-sand mixture for shell molding, namely, mixing resin and sand according to conventional dry mixing techniques, and coating the sand with resin. Shaping of shell molds and cores from resin sand mixtures is accomplished in machines. The article discusses the major steps in producing a mold...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006297
EISBN: 978-1-62708-179-5
..., together with a significant number of molds for cast iron production, are made of chemically bonded sands. The classification in Fig. 5 distinguishes chemically bonded systems based on the principles of their hardening mechanisms: self-setting, gas cured, thermosetting, and simple drying processes...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009022
EISBN: 978-1-62708-187-0
... premature freezing. The heavy manifold ends were later machined off, but the small ribs remained intact. Sand Castings Produced in a dry sand mold, the steel elbow casting shown in Fig. 2 was originally ned with a uniform wall 1 1 2 in. thick. This casting, intended for use at high...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005242
EISBN: 978-1-62708-187-0
... casting quality In general, binders can be classified as either inorganic or organic. Sand molds based on inorganic bonds include green (clay-bonded) sand molding, dry sand molding, skin-dried molds, and loam molding (see the article “Green Sand Molding” in this Volume). Inorganic bonding can also...
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
... head of molten aluminum caused cold shuts and misruns that resulted in rejection of all investment castings of the above design. By centrifuge casting in a close-tolerance dry sand mold, rejections were reduced to an acceptable level. To accommodate the minimum wall thickness desired (0.040...
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 Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005244
EISBN: 978-1-62708-187-0
... Abstract Cores are separate shapes of sand that are placed in the mold to provide castings with contours, cavities, and passages that are not otherwise practical or physically obtainable by the mold. This article describes the basic principles of coremaking and the types of core sands, binders...
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
... , the maximum length recommended is less than for cores supported at both ends. For cantilever-supported cores, the absolute minimum that must be allowed for coreprint lengths is 1 3 L , as shown in Fig. 4(b) . This minimum length is suggested for use only in dry sand molds and in shell molds...