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hooks

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... Abstract This article focuses on the mechanisms and common causes of failure of metal components in lifting equipment in the following three categories: cranes and bridges, particularly those for outdoor and other low-temperature service; attachments used for direct lifting, such as hooks...
Book Chapter

By Loren Godfrey
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001019
EISBN: 978-1-62708-161-0
... or cadmium to protect them from corrosion and abrasion. Although some hot-wound springs are made of steels that are also used for cold-wound springs, hot-wound springs are usually much larger, which results in significant metallurgical differences. All spring design is based on Hooke’s law; charts...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000620
EISBN: 978-1-62708-181-8
... striations, and microstructure of these alloys. The components considered include fractured sand-cast carrier trays, broken extension-housing yokes, helicopter tail-rotor drive assemblies, fractured bell-crank fittings, chain-hoist hooks, and automotive connecting rods. brittle fracture cast aluminum...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005137
EISBN: 978-1-62708-186-3
...), requires only one or two rotary straightening passes. For larger-diameter tubing (38 mm, or 1 1 2 in., in outside diameter and larger), or when straightness better than standard is required, additional work can be done in a press straightener to remove short end hooks or to secure precision...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006468
EISBN: 978-1-62708-190-0
... are vulnerable to fatigue failures. A safety requirement in many plants is the inspection of crane hooks; fatigue cracks develop on the work-hardened inside surfaces of crane hooks where concentrated lifting loads are applied. The blading, shaft, and case of steam turbines are examined for incipient failure...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002442
EISBN: 978-1-62708-194-8
... the novice bowler hears advice to throw a “hook” (a curved trajectory) to get more strikes (all ten pins knocked down on the first throw). They also begin to hear debate over the merits of different balls and ways to drill the balls. Ebonite International has used computer simulation to develop bowling...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001225
EISBN: 978-1-62708-170-2
... for “maintenance” paint stripping of hooks, racks, carriers, and similar fixtures that serve as extensions or add-ons to the conveyor system that carries components to be painted through the paint line. Hooks and racks generally hang down from an overhead conveyor system, while carriers generally “ride” on a floor...
Book Chapter

By Ted A. Slezak
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002146
EISBN: 978-1-62708-188-7
... in three tooth forms: regular, skip, and hook; bands with carbide inserts are also available in a special form. Individual manufacturers of saw bands have referred to the tooth shapes by various names; the terminology followed in this article is based on “Simplified Practice Recommendation R214-55” (U.S...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002143
EISBN: 978-1-62708-188-7
.... The bore of each chaser is serrated for positioning on a holder in the die. Fig. 6 Circular chasers and their positions in a self-opening die Face and hook angles ( Fig. 6 ) can be modified as required for different work metals. Face angle is usually about 1°30′ to 2°; hook angle may vary from...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005505
EISBN: 978-1-62708-197-9
... of the optimal design for each of the drawing stages. (e) Reduction in maximum effective strain in the cup during the optimization process. Source: Ref 6 Fig. 5 Hooke-Jeeves optimization exercise with a quadratic function y = ( x 1 − 5) 2 + ( x 1 − 6) 2 starting from point [9, 2] Fig. 6...
Book Chapter

By Mark Johnson
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002139
EISBN: 978-1-62708-188-7
... steel Tap details 1 4 -28 1 2 -20 15 HRC 47, 52 HRC 15 HRC 47, 52 HRC Flute helix angle, degrees 0 0 0 0 Hook angle, degrees 2 5 2 5 Chamfer angle, degrees 30 42 30 42 Chamfer relief angles, degrees 5 5 5 5 Number of lead threads 3 3...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002187
EISBN: 978-1-62708-188-7
... design is preferred. This tap has high hook (or rake) angles such as 12 to 15° ( Fig. 5 ), and greater radial clearance (or eccentric relief) than the standard general-purpose tap geometry. These features, together with a slight back taper ( Fig. 5 ), reduce the friction and galling when tapping zinc...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006307
EISBN: 978-1-62708-179-5
... for Standardization 8. Hollomon H. , Trans. AIME , Vol 162 , 1945 , p 268 9. Ludwigson D.C. , Modified Stress-Strain Relation for fcc Metals and Alloys , Metall. Trans. , Vol 2 , 1971 , p 2825 – 2828 10.1007/BF02813258 10. Hooke R. and Jeeves T.A. , Direct Search...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001227
EISBN: 978-1-62708-170-2
... quantities of bulky parts are acid cleaned. Multistage spray washers have been designed to accommodate a variety of work that can be racked or suspended from hooks. Large components, such as truck cabs and furniture, are usually cleaned by this method. Cost of labor is lower than for hand wiping. Also...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003972
EISBN: 978-1-62708-185-6
..., a hook has been forged from a bar of hot-rolled steel and the elongated phases in the original hot-rolled bar follow the flow direction during forging. The plastic flow during hot forging enhances this effect by further elongating the impurity phases in the direction of metal flow. This effect is used...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005136
EISBN: 978-1-62708-186-3
... machine can be used to rough straighten hot-rolled round bars, which may be very crooked and may have sharp hooks and round and scaly surfaces; to straighten and size cold-drawn round bars, which may be bowed but have no sharp bends; and to polish or burnish to improve surface finish after grinding...
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001274
EISBN: 978-1-62708-170-2
... control of the process and cleanliness of the operation. Parts or panels to be processed are hung on racks or hooks, or placed in baskets, and are automatically carried through the various stages of the spray phosphating line ( Fig. 6 ). Temperature and pressure gages and controls are required at all...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002491
EISBN: 978-1-62708-194-8
... that occurred during shipping, which was different from any loading tested for the end-use application of the part. A third and final example involves plastic material selection for a simple coat hook. The design engineer assessed the end-use application and determined that a 10 lb coat hanging for 8 to 10...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005267
EISBN: 978-1-62708-187-0
.... Each is gradually lowered into the bath using a clockwork type of mechanism. The casting alloy is in the form of a long, thin rectangular ingot with a hole through which the hook of the lowering mechanism is inserted. This design of ingot is termed a margash shape ( Fig. 2 ). Gradual lowering...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001486
EISBN: 978-1-62708-173-3
... (a) Based on the use of a 25 mm (1 in.) wide high-speed steel band, regular tooth form (except hook tooth form for metal thicker than about 250 mm, or 10 in.), raker set, to cut scale-free, solid bar stock up to 460 mm (18 in.) thick; based on the use of a cutting fluid, except for D2, D3, and D7 tool...