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Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005777
EISBN: 978-1-62708-165-8
...: Widely used with air stream or water jet Uses small, sharp particles propelled by an air stream or water jet All classes of scale and rust Preferred for removing heavy scale and paint Only allowable cleaning method for steels sensitive to hydrogen embrittlement Tumbling...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006088
EISBN: 978-1-62708-175-7
... information on the blending and premixing variables required to produce adequate results in the powder mixture. It describes the effects of metal powder characteristics on blending and mixing: particle size, shape, density, and surface features. The article also provides information on the equipment, tumble...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006119
EISBN: 978-1-62708-175-7
... operations, including tumbling, re-pressing, resin impregnation, annealing or heat treating, brazing, machining, and welding. It describes those aspects relating to welding of PM stainless steels, specifically, the effects of density, residual porosity, and sintered chemistry on weldability. Further...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001277
EISBN: 978-1-62708-170-2
..., including conventional air atomized, airless, and electrostatic spray; roller coating; dip coating; flow coating; curtain coating; tumble coating; electrocoating; and powder coating. Surface preparation methods and prepaint treatments for coating systems are also discussed. The article includes information...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001310
EISBN: 978-1-62708-170-2
... reliability. This article focuses on mechanical finishing methods, namely, barrel tumbling, polishing, buffing, vibratory finishing, fiber brushing, and shot blasting. It provides useful information on process control and difficulties with chemical and anodic treatments of magnesium alloys. The use...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001268
EISBN: 978-1-62708-170-2
... and electroplating. Approximate costs shown are for chemicals only and do not include labor or overhead. Abstract Abstract Mechanical plating is a method for coating ferrous metals, copper alloys, lead, stainless steel, and certain types of castings by tumbling the parts in a mixture of glass beads...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001234
EISBN: 978-1-62708-170-2
..., or tumbling barrel, utilizes the sliding movement of an upper layer of workload in the tumbling barrel, as shown in Fig. 1 . The barrel is normally loaded about 60% full with a mixture of parts, media, compound, and water. As the barrel rotates, the load moves upward to a turnover point; then the force...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001228
EISBN: 978-1-62708-170-2
... 1 4 40 min Gray iron exhaust manifolds, bearing caps Clean for machining Malleable iron shot S460 Wheel, tumble (b) 80 … … 1500 pieces/h Gray iron motor blocks and heads Remove sand and scale after heat treatment Steel shot S460 Wheel, blast cabinet (c) 500 … … 6 s...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001306
EISBN: 978-1-62708-170-2
... Methods Rotary Tumbling Vibratory Processing Abrasive Blasting Centrifugal or High-Energy Methods Cleaning Methods Ultrasonic Degreasing Electrolytic Alkaline Cleaning Mechanical Coating Painting Electroplating High-Speed Steels Hot-Work Steels (Group H) Cold-Work...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
...., Superalloys II , John Wiley & Sons , 1987 • Stoloff N.S. , Wrought and P/M Superalloys , ASM Handbook , Vol 1 , ASM International , 1990 , p 950 – 977 Acid Pickling Abrasive Blasting Wet Tumbling Wire Brushing Salt-Bath Descaling Polishing Electroplating...
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
... iron castings. In gray iron, relatively low-energy shaking, vibrating, tumbling, and/or shotblasting is used to force loose core sand out through the casting openings. Core sand in ferrous castings has much less strength because the ambient heat of the metal, as it solidifies in the mold, burns...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001315
EISBN: 978-1-62708-170-2
... and polishing of the parting lines is the first step after the castings have been trimmed. Finishing of the parting lines is done on set-up wheels or abrasive belts, by tumbling with abrasive media, or by vibratory finishing. Wheels or belts with coarse grit (60- to 120-mesh) are used for heavy metal removal...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003214
EISBN: 978-1-62708-199-3
... and parts. Additional information on electropolishing can be found in the Section “Metallography” in this Handbook. The rotary barrel, or tumbling barrel, utilizes the sliding movement of an upper layer of workload in the barrel, as shown in Fig. 2 . The barrel is normally loaded about 60% full...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002119
EISBN: 978-1-62708-188-7
... 1.60 63 High-pressure turbine blade (René·80) Airfoil Tumbled 0.80 32 Dovetail form Ground 0.80 32 General surfaces Ground 1.1 45 High-pressure turbine vane X40 (cobalt base) Airfoil, convex Tumbled 0.61–0.80 24–32 Airfoil, concave Tumbled 1.1 45 Flowpath...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003214
EISBN: 978-1-62708-199-3
... examples are tumbling and barrel finishing. Shot peening can be classified as a mass finishing method; however, because of its importance and unique characteristics, it is described in a separate section. Abrasive Finishing Methods THE OBJECTIVE of all high-precision abrasive finishing methods...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001309
EISBN: 978-1-62708-170-2
...) Connected to bottom of tank Operating conditions for mass finishing Table 6 Operating conditions for mass finishing Material Medium Size of abrasive particles Tumbling time, h Finish mm in. Heavy cutting Brass or bronze castings Aluminum oxide 6.4–19 0.25–0.75 6–16...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006517
EISBN: 978-1-62708-207-5
... tumbled dry in media such as pumice and hardwood pegs, hardwood sawdust, and crushed walnut shells to remove burrs and improve the finish. However, this method is relatively inefficient compared with the more widely used wet process. All aluminum alloys can be safely finished using wet barrel methods...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
... include decorative plating of plastics, electromagnetic interference shielding of electronic components, and coating of injection molded plastic circuit boards, or molded interconnect devices. Mechanical plating is accomplished in mild steel or stainless steel variable-speed tumbling barrels. Because...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006504
EISBN: 978-1-62708-207-5
... balls per load), parts, and compound (154 g or 5.5 oz of burnishing soap per load); cover load with water (66 °C or 150 °F); rotate drum for specified time; unload, rinse, separate parts from medium; tumble-dry parts in sawdust for 4 min. (b) Rubber-lined steel, double-compartment drum; each...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
.... The metallic coating is produced by tumbling the parts in a mixture of glass beads, metallic dust or powder, “promoter” or “accelerator” chemicals, and water. The glass beads provide impacting and hammering energy, which serves to pound the metallic particles against the surfaces of the parts. The result...