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make-brake sliding contacts

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003167
EISBN: 978-1-62708-199-3
... have excellent antiseizure qualities. Their excellent corrosion-resistant properties make these alloys especially well-suited for bearing applications in compressors, electric motors, and food-processing equipment. Lead-base bearing materials (lead babbitts) are alloys of lead, tin, antimony, and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... process, and coprecipitation. composite materials electrical contacts make-brake arcing contacts make-brake sliding contacts property requirements pure metals sliding contacts wrought alloys ELECTRICAL CONTACTS are metal devices that make and break electrical circuits. If an ideal...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... superiority. In many applications, strength is not the major criterion for the choice of grade. For example, for parts such as clutch plates and brake drums, where resistance to heat checking is important, low-strength grades of iron are the superior performers. Similarly, in heat shock applications such as...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... X X X X X X Transfer X X X X X X X X X X X X X X X Flat-edge trimming X X X X X X X X Hydraulic X X X X X X X X X X X X X X X X X X Press brake X X X X X X...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... for brake rotors ( Ref 19 ). The map displays the mild wear region at low values of both contact pressure and sliding velocity. The friction material is a composite containing various ingredients, such as oxides, carbides, graphite, fillers, and metallic particles or fibers, held together by a...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... upsetting is also occasionally used as a finishing operation following hammer or press forging, such as in making crankshafts. Because the transverse action of the moving die and the longitudinal action of the heading tool are available for forging in two directions, hot upset forging is not limited to...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003030
EISBN: 978-1-62708-200-6
... bearings and gears, low friction is desirable, whereas high friction is required in materials used in brakes, clutches, and road surfaces. In each case, constant, reproducible, and predictable friction behavior is essential. Wear, along with corrosion and obsolescence, is one of the most common life...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003135
EISBN: 978-1-62708-199-3
... the transmission of motion through friction (clutches), and for deceleration and stopping (brakes). In these applications, mechanical energy is converted into frictional heat, which is absorbed and dissipated by the friction material. Copper-base materials are preferred because of their high thermal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... characteristics of fatigue fractures followed by a discussion on the effects of loading and stress distribution, and material condition on the microstructure of the material. In addition, general prevention and characteristics of corrosion fatigue, contact fatigue, and thermal fatigue are also presented...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.9781627081863
EISBN: 978-1-62708-186-3
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
... motor and controlled by means of an electrohydraulic clutch/brake system, mechanical presses have a full-eccentric type of drive shaft that imparts a constant-length stroke to a vertically operating ram ( Fig. 6 ). Various mechanisms are used to translate the rotary motion of the eccentric shaft into...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... subjected to wear, the passive film can be damaged, leading to increased corrosion. Although repassivation could repair the film, continued wear can suppress such self-repairing. Wear-caused plastic deformation makes materials more anodic. Wear removes material from the surface and introduces plastic...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005339
EISBN: 978-1-62708-187-0
... combinations used to make cast metal-matrix composites Matrix Dispersoid Size, μm Amount (a) Aluminum base Graphite flake 20–60 0.9–0.815 Graphite granular 15–500 1–8 Carbon microballoons 40, thickness 1–2 … Shell char 125 15 Al 2 O 3 particles 3–200 3–30 Al 2 O 3...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001232
EISBN: 978-1-62708-170-2
... and dies, such as those used for making contact lenses and other optical products. Grinding from solid combines the high-material-removal capability of modern abrasive finishing methods with the closer tolerances and forms that can be achieved using grinding processes. As an example, end mills of...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005265
EISBN: 978-1-62708-187-0
... precombustion chambers, fuel injection components, rocker arms, and others. Parts are supplied to the aircraft and aerospace industries, such as temperature probes, fuel pump impellers, missile wings, brake parts, pump housings, and structural parts. Other applications include golf club heads, machine...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003178
EISBN: 978-1-62708-199-3
... . The wire or rod makes contact in the drawing cone along the approach angle and is reduced to the dimensions of the drawing cone exit. The bearing region involves no further reduction and allows the die to be refinished without a change in the exit dimensions of the drawing cone. The back relief...
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
... finish than can be achieved by setup wheels Less labor, because no labor is required to recoat contact wheels because belts offer more consistent performance Greater flexibility than setup wheels because of various densities of contact roll or wheels that can make belts hard or soft. In some...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
... intensity of each blow. In hammers for closed-die forging, the hammer stroke is limited by the upper die surface contacting the surface of the lower die face. In open-die forging, the upper and lower dies do not make contact; stroke-position control is provided through control of the air or steam valve that...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005260
EISBN: 978-1-62708-187-0
..., the higher mechanical properties can justify the cost of a permanent mold when production volume does not. Figure 1 shows castings made by the permanent mold process ( Fig. 1 ) and the semipermanent mold process ( Fig. 1 ). Fig. 1 (a) Examples of permanent mold applications: control arm, brake...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005227
EISBN: 978-1-62708-187-0
... summarizes the applications of several commonly used MMCs and the properties that make them suitable for their applications. Microstructural design and synthesis procedures have been developed to achieve unique combinations of properties, including improved elevated-temperature and fatigue strengths...