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Hoists

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Published: 01 January 2002
Fig. 3 Three reeving diagrams for double-drum hoists. More
Image
Published: 30 August 2021
Fig. 3 Three reeving diagrams for double-drum hoists More
Image
Published: 01 January 2002
Fig. 16 Change in section in a 1040 steel main hoist shaft where a fatigue crack (arrow) was initiated at rough-machining marks and a break in a fillet. More
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Published: 01 January 2002
Fig. 45 Destructive wear of an 1113 steel worm used in a silo hoist. More
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Published: 30 August 2021
Fig. 37 Change in section in a grade 1040 steel main hoist shaft where a fatigue crack (arrow) was initiated at rough-machining marks and a break in a fillet More
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Published: 01 January 1994
and rinsing. The system computer controls all functions, including the hoist, and allows for storage of different process parameters for different types of parts. Courtesy of Blue Wave Ultrasonics More
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: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004219
EISBN: 978-1-62708-184-9
... Mine shafts are among the most important components of the infrastructure in an underground mine because they are used for transporting men and materials to and from the ore body, as well as hoisting the ore to the surface. Shaft steelwork, comprising horizontal buntons and vertical guides...
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
... easier. If bending alone were involved, an increase in rope life could obtained by increasing sheave size up to a limit of about 90 to 100 times the rope diameter for a 6 × 19 (6 strands of 19 wires each) classification rope. However, except on some shaft hoist installations, sheaves this large...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001226
EISBN: 978-1-62708-170-2
... is designed to clean intricate metal hearing-aid components using a neutral-pH solution at 60 °C (140 °F) and three rinse stages at 70 °C (160 °F). Basket rotation (1 to 3 rpm) is used during each stage to ensure adequate cleaning and rinsing. The system computer controls all functions, including the hoist...
Book Chapter

By J.R. Keough
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005820
EISBN: 978-1-62708-165-8
... that hold the parts while the conveyor slopes upward and carries the parts to a wash conveyor. In semicontinuous systems (such as pusher-type systems) the transfer to the quench elevator or hoist must be done smoothly to prevent mechanical damage to the parts in the soft austenitic condition...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
... size up to a limit of approximately 90 to 100 times the rope diameter for a 6 × 19 (6 strands of 19 wires each) classification rope. However, except on some shaft hoist installations, sheaves this large are seldom in actual use for two reasons. First, bending is seldom, if ever, the only factor...
Book Chapter

By A. Sato
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001248
EISBN: 978-1-62708-170-2
... automatic installations, this may be done by using a submerged steel anode bar sitting in yokes that can be easily lifted by hoist mechanisms. One of the prime causes of zinc metal buildup is the very active galvanic cell between the zinc anodes and the steel anode containers. This is evidenced...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005929
EISBN: 978-1-62708-166-5
... and the disposal problems of cyanide have greatly diminished their use. The use of automated hoists also makes possible the combination of austempering, martempering, and tempering or carburizing in one line. One or more hoists travel back and forth, automatically advancing the fixture carriers of work through...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001223
EISBN: 978-1-62708-170-2
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003489
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001247
EISBN: 978-1-62708-170-2
... to smaller parts that can be tumbled in the plating bath, is popular because many parts can be plated at one time. Automatic hoist units offer a means of mechanizing the still-tank rack or the barrel. Still Tanks Still tanks are suitable for all types of work. They are used for small production...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001272
EISBN: 978-1-62708-170-2
... blanket on the kettle. However, an aqueous preflux may be used in conjunction with a top flux on the zinc bath. Workpieces are handled either mechanically, using overhead hoists, or with hand tools. Small items such as washers, fasteners, and nails are handled in baskets. The baskets are usually...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003481
EISBN: 978-1-62708-195-5
... are usually built with a composite hull and an aluminum superstructure. Ferries are rarely built with a composite superstructure because of the poor fire resistance. The hoisting decks and bow gates on car ferries have also been made of sandwich composite material. As with naval ships, the composite...