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shakeout units

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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
...) has been placed on the drag (the lower half of a mold); this allows for easy removal of the finished mold. Tight flasks are designed as one-piece units that have no clamps. This type of flask remains with the mold during the pouring operation and, normally, until the shakeout operation...
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
..., floor molds of green sand require slingers to achieve adequate compaction (see the article “Green Sand Molding” in this Volume). Fig. 1 No-bake molding Each of the major no-bake processes has advantages and disadvantages in moldmaking or coremaking. In terms of shakeout and sand...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005355
EISBN: 978-1-62708-187-0
... Abstract After solidification and cooling, further processing and finishing of the castings are required. This article describes the general operations of shakeout, grinding, cleaning, and inspection of castings, with particular emphasis on automation technology. It illustrates the vertical...
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
.... (a) Pattern assembly for cope and drag sections of a mold. (b) Cross section of sand mold assembly with core After the part is cast and solidified in an expendable mold, the next step is a shakeout operation, which breaks up the mold and separates it from the cast part. The sand or mold aggregates can...
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
... agents: hydrogen, carbon monoxide, carbon dioxide, methane, and nitrogen) ( Ref 2 ) Good gas permeability to help venting Thermal stability—adequate refractoriness, favorable thermal expansion rates, suitable degradation temperatures Good collapsibility to obtain easy shakeout Reclaimability...
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
.... The magnetic field is turned off after solidification and cooling, resulting in immediate shakeout. The free-flowing magnetic shot molding material is returned to its point of origin after cooling, dedusting, and metal splash removal. Fig. 1 Magnetic molding process. Source: Ref 3 Advantages...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005327
EISBN: 978-1-62708-187-0
... Abstract This article presents a discussion on the melting, pouring, and shakeout practices; composition control; molds, patterns, and casting design; heat treatment; and applications of different classes of nickel-chromium white irons and high-chromium white irons. iron castings heat...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005328
EISBN: 978-1-62708-187-0
... the mold cavity. Shakeout Practice As mentioned previously, room-temperature impact resistance is low; therefore, riser and gate removal is somewhat easier with these alloys than with standard ductile iron grades. These irons are quite ductile at elevated temperatures, and they should be allowed...
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
... from 1.5 to 3.5 times that of the permanent pattern methods. The two major expendable pattern methods are lost foam and investment casting. A hybrid of these two methods is the Replicast casting process (a patented process exclusive to Casting Technology International, United Kingdom), which involves...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005942
EISBN: 978-1-62708-168-9
... or separately as MPa. In customary units, the designations range from class 20 (minimum tensile strength 20 ksi) to class 60 (minimum tensile strength 60 ksi). The metric classification is from class 150 (minimum tensile strength 150 MPa) to class 400 (minimum tensile strength 400 MPa). The designation also...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006321
EISBN: 978-1-62708-179-5
... strength of a separately cast test bar, expressed in ksi or separately as MPa. In customary units, the designations range from class 20 (minimum tensile strength 20 ksi) to class 60 (minimum tensile strength 60 ksi). The metric classification is from class 150 (minimum tensile strength 150 MPa) to class...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006332
EISBN: 978-1-62708-179-5
... castability can be achieved without having a significant negative effect. Additional precautions are taken through postpour steps, including slow cooling in sand, gentle shakeout, and other related processing and handling. Obviously, chemical composition, especially carbon and chromium contents, can...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... 1 ), which designates the castings in terms of the minimum tensile strength of a separately cast test bar, expressed in ksi or separately as MPa. The designation also indicates the size of the test bar (A, B, C, or S). In customary units, the designations range from class 20 (minimum tensile...
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
.... Coated sand does not pick up moisture readily unless the surrounding air is extremely humid; therefore, transfer time from the muller or coating unit is not critical. (In fact, coated sand can be stored for several months if kept in a fairly dry area.) Temperature variations that result from changes...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.9781627081795
EISBN: 978-1-62708-179-5
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... is caught on three or four adjacent screens; however, two screen sands have been used successfully for certain casting processes. Clays The sand is bonded by a clay/water mixture. Clays used in the United States are naturally occurring montmorillonites, sodium (Western) bentonite and calcium...
Book Chapter

By Charles V. White
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001002
EISBN: 978-1-62708-161-0
.../A ) ratios for round, square, and plate sections provide a fairly accurate indication of the minimum casting sections possible in simple geometrical shapes ( Table 2 ). The V/A ratios can be reported in either English or metric units and can be converted simply by treating them as length measurements...
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
.... After the catalyst gas passes through the core, it leaves the core box through vents into the exhaust manifold. From the gas exhaust manifold, the catalyst gas is piped to an appropriate disposal unit. Binders for Sand Coremaking As noted, sand binders for coremaking are similar to those...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005324
EISBN: 978-1-62708-187-0
... iron are designated by their tensile properties (tensile strength, yield strength, elongation) in ASTM specification A 536 ( Ref 2 ), as shown in Table 1 . The property values are stated in customary units; 60-40-18 grade designates minimum mechanical properties of 60 ksi tensile strength (414 MPa...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006345
EISBN: 978-1-62708-179-5
...) in the specification ASTM A536 ( Ref 2 ), as shown in Table 1 . The property values are stated in customary units; 60-40-18 grade designates minimum mechanical properties of 60 ksi tensile strength (414 MPa), 40 ksi yield strength (276 MPa), and 18% elongation. Ductile iron properties of various industry...