brakes clutches and dynamometers
Tài liệu CLUTCHES AND BRAKES Design and Selection
Ngày tải lên :
20/10/2012, 09:58
... Eddy-Current Brakes and Clutches I Theoretical Background II Magnetic Particle Brakes and Clutches III Hysteresis Brakes and Clutches 125 126 130 132 Contents xi IV Eddy-Current Brakes and Clutches ... 80 81 Chapter I II III IV V VI Dry and Wet Disk Brakes and Clutches Caliper Disk Brakes Ventilated Disk Brakes Annular Contact Disk Brakes and Clutches Design Examples Notation Formula Collection ... Revised and Expanded, Earl Logan, Jr 86 Vibrations of Shells and Plates: Second Edition, Revised and Expanded, Werner Soedel 87 Steam Plant Calculations Manual: Second Edition, Revised and Expanded,...
- 351
- 453
- 1
Clutches and brakes design and selection P1
Ngày tải lên :
09/11/2013, 03:15
... processes through overhead cranes, hoists, and industrial brakes and clutches and in farm and garden tractors Some or all of the following materials, and others, that are now necessary to produce ... 1379 kPa (200 psi) and a temperature no greater than 260jC (500jF) when in either a wet (oil) or a dry environment This lining material may be used for band brakes and band clutches that work ... friction and wear of Polytetrafluoroethylene-based composites Wear 79: 221–234 Anderson, J C (1986) The wear and friction of commercial polymers and composites In: Friedrich, K., ed Friction and Wear...
- 16
- 362
- 0
Tài liệu Clutches and brakes design and selection P2 doc
Ngày tải lên :
17/12/2013, 11:15
... FIGURE Band brakes used in an automatic transmission system Copyright © 2004 Marcel Dekker, Inc Band Brakes 19 FIGURE Quantities and geometry used in the derivation of the band-brake design ... pressure between the drum and the lining, and w represents the width of the band Upon simplifying equations (1-1) and (1-2) and remembering that as the element of band length approaches zero, ... flexible enough for use in a band brake and has the limiting temperature and pressure capability Thus, use A = 0.4 and equation (1-10) to find that at the maximum radius the band width should be given...
- 14
- 333
- 0
Tài liệu Clutches and brakes design and selection P3 docx
Ngày tải lên :
17/12/2013, 11:15
... VII ELECTRIC BRAKES Common usage has associated the term electric brakes with friction brakes which are electrically activated, rather than with those brakes that rely upon electrical and magnetic ... (1-11) Copyright © 2004 Marcel Dekker, Inc Externally and Internally Pivoted Shoe Brakes TABLE 41 Moment Relations for Internal and External Drum Brakes External shoe Rotationa Moment p! pp p! pp ... criterion, which is that self-locking of both internal and external drum brakes may be avoided if Mf À1 V Vþ1 ð3-3Þ Mp Selection of shoe and drum angles and dimensions in accordance with this criterion...
- 36
- 343
- 0
Tài liệu Clutches and brakes design and selection P4 pdf
Ngày tải lên :
17/12/2013, 11:15
... Upon substituting for u1 and u2 in equation (1-8) and recalling equations (1-6) and (1-7) we find that T 4A sinðf0 =2Þ R ¼ ¼A Fs r f0 þ sin f0 r ð1-11Þ where the right-hand side has already been ... © 2004 Marcel Dekker, Inc ð2-12Þ Linearly Acting External and Internal Drum Brakes 77 Substitution for Mp and Mf from equations (2-7) and (2-11) into equation (2-12) yields h pmax r f0 Rrw ðf0 ... symmetrically pivoted and if equation (1-7) holds, the applied torque is given by T ¼ ARFs ð1-12Þ II BRAKING TORQUE AND MOMENTS FOR SYMMETRICALLY SUPPORTED INTERNAL SHOES Pressure p and braking torque...
- 16
- 299
- 0
Tài liệu Clutches and brakes design and selection P5 docx
Ngày tải lên :
17/12/2013, 11:15
... Dekker, Inc Dry and Wet Disk Brakes and Clutches 89 FIGURE Continued structure is required Noncircular pads are used where increasing the pressure may be relatively expensive and where the maximum ... Copyright © 2004 Marcel Dekker, Inc Dry and Wet Disk Brakes and Clutches 91 FIGURE Typical caliper brake pad of sintered material for heavy aircraft brakes (Note contour of the pad to place ... = ro, as reasonably expected, or whenever ri = and ro>0, as may not be expected Copyright © 2004 Marcel Dekker, Inc Dry and Wet Disk Brakes and Clutches 93 FIGURE Ventilated caliper disk brake...
- 23
- 305
- 0
Tài liệu Clutches and brakes design and selection P6 ppt
Ngày tải lên :
17/12/2013, 11:15
... for the torque capability and the required activation force is quite similar to that used for simple cone brakes and clutches Since the brakes illustrated in Figures and use a sector pad, we begin ... Figures and It is Figure that is directly useful in the design of cone brakes and clutches, because we find from equation (1-19) that the regions to the left of the solid curve (regions and 4) ... regions in the A, a plane for cone clutches /brakes II FOLDED CONE BRAKE Prototype cone brakes have been designed and tested for a range of vehicle sizes, from tractors and trailers to subcompact automobiles...
- 18
- 432
- 0
Tài liệu Clutches and brakes design and selection P7 pdf
Ngày tải lên :
17/12/2013, 11:15
... IM, and the electromagnetic coil (Courtesy of Magnetrol Inc., Buffalo, NY.) IV EDDY-CURRENT BRAKES AND CLUTCHES Construction of eddy-current brakes is physically similar to that of hysteresis brakes ... hysteresis clutches and brakes, the primary source of power loss in these brakes is in the generation of eddy Copyright © 2004 Marcel Dekker, Inc Magnetic Particle, Hysteresis and Eddy-Current Brakes ... adjustable torque range and to use the construction similarities between eddy-current and hysteresis brakes/ clutches In it the IM and OM are replaced by a permanent-magnet disk and either an eddy-current...
- 25
- 336
- 0
Tài liệu Clutches and brakes design and selection P8 ppt
Ngày tải lên :
17/12/2013, 11:15
... and eddy-current clutches are usually used in factories and mills where electrical power is available and where data from remote sensors may be processed to control brakes and clutches on machinery ... variety of brakes, such as band, external linear, annular caliper, and annular disk brakes To choose among these, recall equation (1-10) from Chapter 1, equation (2-1) from Chapter 4, and equations ... coefficient of 0.3, and set the width for the band, the linearly acting drum brake, and the externally pivoted brake to cm Limit the maximum lining pressure for the band brake and for the externally...
- 39
- 332
- 0
Tài liệu Clutches and brakes design and selection P9 ppt
Ngày tải lên :
17/12/2013, 11:15
... detents and 40j between detents and 130j between detents and The second instance occurs when balls and engage detents and 5, where ball centers and are separated by 75j and detent centers and are ... between detents and 30j 130j between detents and between detents and and that the angular separation between detent centers and is given by 25j between detents and 30j between detents and 35j between ... Centrifugal, One-Way, and Detent Clutches 223 separated by 35j and and are separated by 40j for a combined separation of 75j The third and last instance is when balls and engage detents and Placing ball-detent...
- 38
- 283
- 0
Tài liệu Clutches and brakes design and selection P10 pdf
Ngày tải lên :
17/12/2013, 11:15
... the left- and right-hand cones rotate in the same direction If the right- and left-hand cones drive the rightand left-hand wheels of a lawnmower, the mower moves forward If the righthand cone ... Nd1 tan2 f rn1 ln1 and Nn2 ¼ Nd rd2 ld ¼ Nd tan2 f rn2 ln2 ð3-1Þ where rd1 and rnl are the radii of the driver and driven cones, respectively, at point 1, rd and rn2 are driver and driven radii ... rightangle drive, a clutch, and a reversing mechanism When the right-hand cone in Figure is moved downward to contact the upper half of the double cone and the left-band cone is moved upward to...
- 28
- 323
- 0
Tài liệu Clutches and brakes design and selection P11 ppt
Ngày tải lên :
17/12/2013, 11:15
... whose *The Handbook of Chemistry and Physics (CDC Press) lists three forms of carbonyl iron FE(CO)4, FE(CO)5, and FE(CO)9 Copyright © 2004 Marcel Dekker, Inc Fluid Clutches and Brakes 267 viscosity ... operations, crane trolleys, reversing carriages, and winding and unwinding equipment Copyright © 2004 Marcel Dekker, Inc Fluid Clutches and Brakes 261 FIGURE Output power as a function of input ... and N denotes its rotational speed in radians/second Curves 6, 7, FIGURE Retarding moment M as a function of rotor angular velocity N Copyright © 2004 Marcel Dekker, Inc Fluid Clutches and Brakes...
- 13
- 278
- 0
Tài liệu Clutches and brakes design and selection P12 ppt
Ngày tải lên :
17/12/2013, 11:15
... between values E1 and E2, in which E1 may be 10% and E2 may be 20%, for example This may be achieved by returning to equation (1-4) and solving for v1 and then replacing v1 and v0 with the associated ... upon accelerator data, optimum slip limits N1 and N2, angular acceleration a with limits a1 and a2, and brake pressure p, all as a function of time t and the ECU holds the brake pressure constant ... longitudinal and transverse acceleration With both longitudinal and transverse accelerometer data, the ECU can compare accelerations to detect both spinning and transverse sliding during panic stops and...
- 21
- 367
- 0
Tài liệu Clutches and brakes design and selection P13 pdf
Ngày tải lên :
25/12/2013, 23:17
... from disk brakes [11] and the backplate vibration that is the major contributor from drum brakes [12] Typical standing wave shapes, or the nodal patterns, for the disk are shown in Figures and Vibration ... in Figures and The alternating black and white line boundaries represent contour lines, or elevation lines, on the caliper and disk and consequently measure the deflection of the disk and caliper ... sprag and certain forces between the disk and the sprag These combinations of sprag deflections and disk forces defined a region of instability which was interpreted to signify large sprag and disk...
- 24
- 263
- 0
Tài liệu Clutches and brakes design and selection P14 ppt
Ngày tải lên :
25/12/2013, 23:17
... 0152:1997: Clutches and Brakes Vocabulary ASME B5.55M: Specification and Performance Standard, Power Press Brakes R(2002) BSMI B2004400: Hand Brakes for Bicycles BSMI B4003700: Axles with Brakes of ... standards SAE 1802 and SAE 2430 L SAE J1087 This seven-page standard, entitled One-Way Clutches Nomenclature and Terminology, with eight figures, is ‘‘intended to establish common nomenclature and ... described and defined II AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) The American National Standards Institute, whose acronym is ANSI, collects and compiles standards from between 60 and 70 professional...
- 6
- 437
- 0
Clutches and Brakes Design and Selection Part 15 pot
Ngày tải lên :
21/07/2014, 17:20
... 74 77 80 81 Chapter I II III IV V VI Dry and Wet Disk Brakes and Clutches Caliper Disk Brakes Ventilated Disk Brakes Annular Contact Disk Brakes and Clutches Design Examples Notation Formula ... Particle, Hysteresis, and Eddy-Current Brakes and Clutches I Theoretical Background II Magnetic Particle Brakes and Clutches III Hysteresis Brakes and Clutches Copyright © 2004 Marcel Dekker, ... Revised and Expanded, Earl Logan, Jr 86 Vibrations of Shells and Plates: Second Edition, Revised and Expanded, Werner Soedel 87 Steam Plant Calculations Manual: Second Edition, Revised and Expanded,...
- 19
- 275
- 0
EMBEDDED LINUX SYSTEM DESIGN AND DEVELOPMENT.pdf
Ngày tải lên :
04/08/2012, 14:23
... Ⅲ Understand the embedded Linux development environment Ⅲ Understand and create Linux BSP for a hardware platform Ⅲ Understand the Linux model for embedded storage and write drivers and applications ... memory leaks and memory corruption in applications and drivers Ⅲ Learn methods to profile applications and the kernel Ⅲ Understand uCLinux architecture and its programming model Ⅲ Understand the embedded ... Ltd Ⅲ Windows, WinCE and Microsoft are registered trademarks and MS-DOS and DirectX are trademarks of Microsoft Corporation Ⅲ Solaris and Java are registered trademarks and ChorusOS is a trademark...
- 429
- 1.7K
- 2
09 Physical and Chemical Characteristics of DDGS revisions.
Ngày tải lên :
08/08/2012, 10:03
... during transport and handling – particle and ingredient segregation (separation) occurs when particles of different sizes and bulk densities are blended together and transported or handled Pellet ... Size, Bulk Density and pH Particle size and particle size uniformity of feed ingredients are important considerations of livestock and poultry nutritionists when selecting sources and determining ... Characteristics of U.S DDGS Physical and chemical characteristics of distiller’s dried grains with solubles (DDGS) vary among sources and can influence its feeding value and handling characteristics These...
- 8
- 748
- 0
CHECK YOUR ENGLISH VOCABULARY FOR BUSINESS AND ADMINISTRATION.pdf
Ngày tải lên :
08/08/2012, 17:31
... our products and how they work, how the distribution system operates, how to deal with both suppliers and customers and how to handle complaints They also study trade and retail laws, and are accompanied ... idioms IT and e-commerce Jobs and positions Letters Meetings and presentations Money and financial issues Numbers and symbols Phrasal verbs Phrasal verbs Production and operations Recruitment 1: ... part of a , and should have 10 and the ability to 11 and inspire his or her 12 Sandra: Well, that's great! You've always got on with the people you work with, and everyone...
- 82
- 6K
- 56