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shot blasting

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Published: 30 November 2023
Fig. 5.2 Shot blasting machine types More
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Published: 30 November 2023
Fig. 5.10 Table-type shot blasting machine More
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Published: 30 November 2023
Fig. 5.13 Multichamber spinner shot blasting machine. Source: Ref 8 More
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Published: 30 November 2023
Fig. 5.15 Monorail hanger cabinet shot blasting machine. Source: Ref 4 More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370095
EISBN: 978-1-62708-447-5
... Abstract Iron and steel castings require cleaning as they come out of the shakeout units to remove any burned sand and sand that may remain stuck from the mold. This chapter presents the casting cleaning operation sequence. The sequence includes shot blasting; decoring or removal of cores from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900241
EISBN: 978-1-62708-350-8
... an intermediate temperature of approximately 260 °C (500 °F) is reached, the plasma power is started. The hydrogen then acts as the “sputter clean” gas. In sputter cleaning, the workpiece is cleaned by “atomic shot blasting” due to the hydrogen gas ionization. The sputter-clean temperature is ramped up...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900185
EISBN: 978-1-62708-350-8
... useful life, or if it has become saturated with nitrogen. This can be remedied by shot blasting the inside surface of the process chamber or by regenerating the chamber by heating up to a temperature of 785 °C (1450 °F), followed by light shot glass bead blasting or sandblasting. Surface Discoloration...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
... application because of its lesser cutting ability. Grit sizes as coarse as No. 30 (0.023 in., or 0.59 mm) are recommended for cleaning forgings and castings. Finer grits, such as No. 90 and 100 (0.0065 and 0.0059 in., or 0.17 and 0.15 mm, respectively), are used for general blasting. Metallic shot...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320157
EISBN: 978-1-62708-332-4
... into white iron with iron carbides and with no free graphite. This poses a limitation to the maximum wall thickness that can be cast completely as white iron without alloying. Malleabilization requires heat treatment, which is energy intensive. Packing into tubs and shot blasting for scale removal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030172
EISBN: 978-1-62708-282-2
.... Source: Ref 8 , 9 , 10 Cold working of magnesium alloys, such as stretching or bending, has no appreciable effect on corrosion rate. Shot- or grit-blasted surfaces often exhibit poor corrosion performance—not from induced cold work but from embedded contaminants. Acid pickling to a depth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320011
EISBN: 978-1-62708-332-4
... is recycled. Castings are cleaned by shot-blasting followed by additional operations, such as de-gating or feeder removal and flash-grinding. Match plates are aluminum pattern plates where the pattern halves for the two-part molds are mounted on the same plate on opposite faces. Sand is sequentially...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350087
EISBN: 978-1-62708-315-7
... at the metal surface at high velocity under controlled conditions. It differs from blast cleaning in primary purpose and in the extent to which it is controlled to yield accurate and reproducible results. Although shot peening cleans the surface being peened, this function is incidental. The major purpose...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... castings gets partially or fully broken from the casting during the shake-out process. The gating and feeders of ductile iron and steel stay attached to the casting through the shake-out and shot-blasting operations. This requires human intervention in hot, dusty, smoky areas. The operator normally hooks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... Abstract Mechanical treatments such as grinding and shot peening are often employed in the production of case-carburized parts. Grinding, besides restoring precision, removes carbide films, internal oxidation, and high-temperature transformation products. Shot peening strengthens component...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... this process the abrasive, usually steel shot, is thrown at the castings from rotating wheels ( Figure 15-2 ). Fig. 15-2 Blast cleaning equipment showing loading bin in foreground and opened tumbling chamber loaded with small castings Castings may also be hung inside of cabinets on steel bars...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900071
EISBN: 978-1-62708-350-8
... = FeN At this point, intensive surface cleaning of the workpiece occurs due to the sputtering action on the surface. This can be likened to atomic shot blasting where the carrier medium is the air blast and the cleaning medium is the steel shot. In this instance the gas ion is like the steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870267
EISBN: 978-1-62708-344-7
... relatively low cost and ease of use, the most commonly used method is shot peening . Additional methods that offer distinct superior advantages over shot peening are available, but they are invariably less versatile and more expensive. These methods include autofrettage, hole-expansion , and two relatively...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... in principle to blast furnaces, they are not miniature blast furnaces. In operation, coke, flux, and metal are charged into the top of the furnace, and air, often preheated and/or enriched with oxygen, is blown in at the bottom through tuyeres. The coke burns in the air, melting the metal that trickles down...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
.... Figure 4.4 is a schematic of a horizontal cold chamber die casting machine. The die casting machine consists of a hollow shot sleeve (a hollow cylinder into which metal is poured) with a pouring slot and a hydraulically actuated plunger (with an intensifier). The shot sleeve fits into an opening...