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shakeout

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Published: 01 December 2008
Fig. 6 Vibratory shakeout of castings More
Image
Published: 01 December 2008
Fig. 20 Flat deck vibratory-type shakeout device More
Image
Published: 01 December 2008
Fig. 21 Rotary-type shakeout system More
Image
Published: 01 December 2008
Fig. 22 Rotary plus cooling type shakeout system in which the castings and water-cooled mold sand are separated at the drum exit More
Image
Published: 01 December 2008
Fig. 23 Front (a) and side (b) views of a vibratory drum type shakeout system More
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.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 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
... sand media preparation mold finishing shakeout GREEN SAND MOLDING is one of many methods available to the foundryman for making a mold into which molten metal can be poured. Green sand molding and chemically bonded sand molding are considered to be the most basic and widely used moldmaking...
Image
Published: 01 December 2008
Fig. 25 Cutaway view of a sand cooling drum system. Sequence of operations proceeds from right to left: 1, hot shakeout and spill sand enter, and helical flights convey sand forward to begin blending process; 2, cascading effect provides sand cooling as well as sand homogenization; 3, blended More
Image
Published: 01 December 2008
is submerged into the melt, thus causing metal to flow into the individual molds. (d) After the metal has solidified, the mold tube assembly is moved to the shakeout area, and vacuum is discontinued. More
Image
Published: 01 October 2014
Condition of gray iron castings Δ T cr (measured between hat and wear plate) σ(circumferential in wear plate) Predicted by Pribyl's equation Measured °C °F MPa psi MPa psi Air cooled, shakeout at∼980°C(∼1800°F) 36 97 −39.6 −5750 −26.2 to −43.4 −3800 to −6300 Mold cooled 6 43 More
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.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...
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
... Finally, the fourth basic attribute of the molding medium is being able to be removed from the cast part. The expendable mold must be broken away and stripped from the solidified part ( Fig. 6 ). More cast parts, especially those with intricate internal passages, are rendered unusable during this shakeout...
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...
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...
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
...-temperature tensile strength. Figure 5 shows the effect of temperature and time on the relief of stresses for seven low-alloy irons, and the tabulation below the graphs indicates that these irons, depending on shakeout time, can be stress relieved for 8 h at 620 °C (1150 °F) with no adverse effect...
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
..., depending on shakeout time, can be stress relieved for 8 h at 620 °C (1150 °F) with no adverse effect on hardness. Fig. 5 Effect of stress-relieving time and temperature on degree of stress relief obtained in low-alloy gray irons. Table shows compositions and negligible effect of maximum stress...
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...