0

think and grow rich summary chapter 3

Mechanisms and Mechanical Devices Sourcebook - Chapter 3

Mechanisms and Mechanical Devices Sourcebook - Chapter 3

Cơ khí - Chế tạo máy

... photoemitter and photoreceiver.Sclater Chapter 3 5 /3/ 01 10: 23 AM Page 90 64Sclater Chapter 3 5 /3/ 01 10:20 AM Page 64 81Fig. 19 A paste belt applicator passes around thepulley in a pastepot and slides ... dashed line. This willcause the bobbin changer to operate.Sclater Chapter 3 5 /3/ 01 10:22 AM Page 86 91Sclater Chapter 3 5 /3/ 01 10: 23 AM Page 91 Fig. 4 Control for the automatic shear. When a seam ... means ofa lever, and is removed from the chute by a vibrat-ing table.Sclater Chapter 3 5 /3/ 01 10:19 AM Page 60 84Automatic Stopping Mechanisms (continued)Sclater Chapter 3 5 /3/ 01 10:22 AM Page...
  • 41
  • 567
  • 1
Mechanisms and Mechanical Devices Sourcebook - Chapter 4

Mechanisms and Mechanical Devices Sourcebook - Chapter 4

Cơ khí - Chế tạo máy

... shown, S = 1. From the geometry,(θ 30 + ∆θ 30 )L 3 = 36 0º and S = ∆θ 3 /θ 30 Henceθ 30 (1 + S)L 3 = 36 0ºFor S = 1 and L 3 + 2,θ 30 = 90º and ∆θ 3 = 90ºNow select a convenient profile ... 3 must mesh with every lobe on gear4, and T 3 /T4= L 3 /L4= 2 /3, where T 3 and T4are the numbers of teeth on gears 3 and 4. T1 and T2will denote the numbersof teeth on gears 1 and ... number of lobes L 3 and L4onthe gears 3 and 4. In the drawings, L 3 = 2 and L4= 3. Any two lobes on the twogears (i.e., any two lobes of which one ison one gear and the other on the...
  • 33
  • 507
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 5

Mechanisms and Mechanical Devices Sourcebook - Chapter 5

Cơ khí - Chế tạo máy

... linkage.Fig. 8 Walschaertvalve gear.Sclater Chapter 5 5 /3/ 01 11:45 AM Page 138 134 TWELVE EXPANDING AND CONTRACTING DEVICESParallel bars, telescoping slides, and other devices that can spark answers ... turns.Dynamic and static balancing is simplifiedwhen an expanding wheel is attached to anonexpanding main wheel. As a pulley, anexpanding wheel can have a steel bandfastened to only one section and ... much largerrotation of the output (from 30 º to 36 0º). The crank drives the slider and gear rack,which in turn rotates the output gear.1 53 Springs and chains are attached togeared cranks of...
  • 46
  • 572
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 6

Mechanisms and Mechanical Devices Sourcebook - Chapter 6

Cơ khí - Chế tạo máy

... their seats.Sclater Chapter 6 5 /3/ 01 12:25 PM Page 191 CHAPTER 6SPRING, BELLOW,FLEXURE, SCREW, AND BALL DEVICESSclater Chapter 6 5 /3/ 01 12:24 PM Page 1 73 installed and integrated into a ... spring is wound to thedesired torque.Figs 13 and 14 Rack and toothedstops (Fig. 13) are frequently used toadjust heavy louvers, boiler doors and similar equipment. The adjustment isnot continuous; ... tension.179Sclater Chapter 6 5 /3/ 01 12:24 PM Page 179 195SEVEN SPECIAL SCREW ARRANGEMENTSDifferential, duplex, and other types of screws can provide slow and fast feeds, minute adjustments, and strong...
  • 25
  • 380
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 7

Mechanisms and Mechanical Devices Sourcebook - Chapter 7

Cơ khí - Chế tạo máy

... feed.Sclater Chapter 7 5 /3/ 01 12 :34 PM Page 235 232 BUSHED ROLLER CHAINS AND THEIR ADAPTATIONSVarious roller, side-plate and pin configurations for power transmissions, conveying, and elevating.STANDARD ... SPEED RATIOSclater Chapter 7 5 /3/ 01 12 :34 PM Page 231 234 Fig. 1 This low-cost rack -and- pinion deviceis easily assembled from standard parts.Fig. 2 An extension of the rack -and- pinion principle—This ... the locking pressure.Sclater Chapter 7 5 /3/ 01 12 :33 PM Page 211 true cycloidal. This is done by a secondsteel-band arrangement. As carriage Imoves, bands 3 and 4 cause the eccentricto rotate....
  • 42
  • 493
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 8

Mechanisms and Mechanical Devices Sourcebook - Chapter 8

Cơ khí - Chế tạo máy

... W. Dudley, ed., Gear Handbook, pp. 3- 19 to 3- 25,McGraw-Hill.Sclater Chapter 8 5 /3/ 01 12: 43 PM Page 271 286FINE-FOCUS ADJUSTMENTSThis single knob control for coarse and fine microscope adjust-ment ... isintegral with the ball retainer.Sclater Chapter 8 5 /3/ 01 12: 43 PM Page 260 CHAPTER 8GEARED SYSTEMS AND VARIABLE-SPEEDMECHANISMSSclater Chapter 8 5 /3/ 01 12:42 PM Page 241 256VARIABLE-SPEED ... stator, which trans-mits the reaction forces to the housing.* Four U.S. patents (3, 094,880, 3, 139 ,771, 3, 139 ,772, and 3, 590,659)have been issued to A. M. Maroth.A variable-speed-transmission cone...
  • 52
  • 642
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 9

Mechanisms and Mechanical Devices Sourcebook - Chapter 9

Cơ khí - Chế tạo máy

... 31 4 33 5Shaft couplings that include internal and external gears,balls, pins, and nonmetallic parts to transmit torque areshown here.Sclater Chapter 9 5 /3/ 01 12:58 PM Page 33 5 30 8SLIP AND ... Chapter 9 5 /3/ 01 12:57 PM Page 31 7 33 6LINKAGES FOR BAND CLUTCHES AND BRAKESFig. 1 An outside bandclutch operated by a roller and cone.Fig. 2 An outside bandclutch made as two halfwrap bands ... 9. CT n1 /3 0 .3 x=1x=nlxSS∑−−112()bdTECn22e0 .3  13/ σnT0.71 /3 bdTE22 13/ TE 13/ dTbE 13/ Ebtdn 3 09.Critical...
  • 46
  • 410
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 10

Mechanisms and Mechanical Devices Sourcebook - Chapter 10

Cơ khí - Chế tạo máy

... build-up.Sclater Chapter 10 5 /3/ 01 1:07 PM Page 35 1 36 0Limit Switches in Machinery (continued )Sclater Chapter 10 5 /3/ 01 1:08 PM Page 36 0 35 2DRIVES FOR CONTROLLING TENSIONMechanical, electrical, and ... machinery and protectit and its operator.Actuators Linear mechanical switchesSclater Chapter 10 5 /3/ 01 1:08 PM Page 35 6 CHAPTER 10TORQUE-LIMITING,TENSIONING, AND GOVERNING DEVICESSclater Chapter ... and fluid velocities for their actuation. 36 2Fig. 1 Auxiliary piston governor.Fig. 2 Hit -and- miss governor.Fig. 3 Force-compensatedregulator.Sclater Chapter 10 5 /3/ 01 1:08 PM Page 36 2 34 5Fig....
  • 29
  • 510
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 11

Mechanisms and Mechanical Devices Sourcebook - Chapter 11

Cơ khí - Chế tạo máy

... CHAPTER 11PNEUMATIC AND HYDRAULIC MACHINE AND MECHANISMCONTROLSclater Chapter 11 5 /3/ 01 1:15 PM Page 36 9 37 5Fig. 8 The housing of the Hele-Shaw-Beachum ... releases instantly.Sclater Chapter 11 5 /3/ 01 1:17 PM Page 4 03 38 3Gaging and callipering. The thickness of a moving wire or strip isgaged by the position of the floating spool and transformer core. ... in the wire, depending on thephase and magnitude of the applied differential transformer signal.Sclater Chapter 11 5 /3/ 01 1:16 PM Page 38 3 39 1riveting, and similar operations where quick,...
  • 35
  • 430
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 13

Mechanisms and Mechanical Devices Sourcebook - Chapter 13

Cơ khí - Chế tạo máy

... φ12 and φ 13 , with ψ12, and ψ14.Fig. 2 Three angular positions,φ12, φ 13 , φ14, are synchronized byfour-bar linkage here with ψ12, ψ 13 , and ψ14.Sclater Chapter 13 5 /3/ 01 ... a2/a1 and other parameters, as described inthe text.Sclater Chapter 13 5 /3/ 01 1 :32 PM Page 434 454Snap-Action Toggles (continued )Fig. 3 Design charts for evaluat-ing toggle arm and spring ... establishes points A′2, A′ 3 and A′4, but here A′ 3 and A′4coincide because of symmetry of A 3 and A4about A0B0.4. Draw lines A1A′2 and A1A′4, and the perpendicular bisectorsof...
  • 33
  • 561
  • 1
Mechanisms and Mechanical Devices Sourcebook - Chapter 14

Mechanisms and Mechanical Devices Sourcebook - Chapter 14

Cơ khí - Chế tạo máy

... organic and freeform shapes. Consequently, commercialsoftware producers offer 3D hybrid surface and solid-modelingsuites that integrate 2D drafting and 3D wireframe with 3D surface and 3D solid ... incommercial CAD software includeã 2D draftingã 3D wireframe and surface modelingã 3D solid modelingã 3D feature-based solid modelingã 3D hybrid surface and solid modelingTwo-Dimensional DraftingTwo-dimensional ... larger, thicker, and more durable components with greater height-to-widthratios. They can withstand high pressure and temperature excur-Sclater Chapter 14 5 /3/ 01 1:44 PM Page 484 CHAPTER 14NEW...
  • 23
  • 493
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 15

Mechanisms and Mechanical Devices Sourcebook - Chapter 15

Cơ khí - Chế tạo máy

... prior written permission of the publisher.1 234 567890 KGP/KGP 0765 432 1ISBN 0-07- 136 169 -3 The sponsoring editor for this book was Larry S. Hager and the production supervisorwas Pamela A. Pelton. ... TorontoSclater FM 5 /3/ 01 9:50 AM Page iii Library of Congress Cataloging-in-Publication DataSclater, Neil.Mechanisms and mechanical devices sourcebook / Neil Sclater, Nicholas P. Chironis.—3rd ed.p. ... ed. 1996.ISBN 0-07- 136 169 -3 1. Mechanical movements. I. Chironis, Nicholas P. II. Mechanisms & mechanicaldevices sourcebook. III. Title.TJ181.S28 2001621.8—dc21 2001 030 297Copyright â 2001,...
  • 4
  • 430
  • 0
Mechanisms and Mechanical Devices Sourcebook - Chapter 12

Mechanisms and Mechanical Devices Sourcebook - Chapter 12

Cơ khí - Chế tạo máy

... self-centering and stronger. Non-sliding gearscan be pinned to the shaft if it is provided with a hub.Sclater Chapter 12 5 /3/ 01 1:25 PM Page 420 CHAPTER 12FASTENING, LATCHING,CLAMPING, AND CHUCKING ... correctly dimen-sioned hubs and clamps so that they can be efficiently fastened to aprecision-ground shaft.Sclater Chapter 12 5 /3/ 01 1:25 PM Page 421 415Sclater Chapter 12 5 /3/ 01 1:25 PM Page 415 ... is pushed upward an additional 15º, locking the handlecam and the slide. In step 6, the handle is rotated an additional 30 º, forcing the box and the mating spring-loaded electrical con-nectors...
  • 24
  • 489
  • 0

Xem thêm