dr jekyll and mr hyde summary chapter 4
Mechanisms and Mechanical Devices Sourcebook - Chapter 3
... photoemitter and photoreceiver.Sclater Chapter 3 5/3/01 10:23 AM Page 90 64 Sclater Chapter 3 5/3/01 10:20 AM Page 64 81Fig. 19 A paste belt applicator passes around thepulley in a pastepot and slides ... lever, and is removed from the chute by a vibrat-ing table.Sclater Chapter 3 5/3/01 10:19 AM Page 60 84 Automatic Stopping Mechanisms (continued)Sclater Chapter 3 5/3/01 10:22 AM Page 84 57The ... machine-driving shaft.Sclater Chapter 3 5/3/01 10:22 AM Page 87 66Fig. 3 In another type of action, the forward and return strokes are accomplished by a suitable mechanism, while the raising and...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... four-bar linkages, 001PQ.Sclater Chapter 4 5/3/01 10 :44 AM Page 102 CHAPTER 4 RECIPROCATING AND GENERAL-PURPOSEMECHANISMSSclater Chapter 4 5/3/01 10 :44 AM Page 93 Fast Cam-Follower MotionFast ... every lobe on gear 4, and T3/T 4 = L3/L 4 = 2/3, where T3 and T 4 are the numbers of teeth on gears 3 and 4. T1 and T2will denote the numbersof teeth on gears 1 and 2.Next, select ... number of lobes L3 and L 4 onthe gears 3 and 4. In the drawings, L3= 2 and L 4 = 3. Any two lobes on the twogears (i.e., any two lobes of which one ison one gear and the other on the...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 5
... 11 :45 AM Page 138 1 34 TWELVE EXPANDING AND CONTRACTING DEVICESParallel bars, telescoping slides, and other devices that can spark answers to many design problems.Fig. 1Figs. 1 and 2 Expanding ... lever and cam drive for a tire gage.Fig. 3 A lever and sector gear in a differential pressure gage.Fig. 4 A sector gear drive for an aircraft air-speed indicator.Fig. 5 A lever, cam, and cord ... slides, friction drives, and gears.Fig. 1 An axial screw with a rack-actuated gear (A) and an articulated driving rod (B)are both irreversible movements, i.e., the driver must always drive.Fig....
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Mechanisms and Mechanical Devices Sourcebook - Chapter 6
... 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 173 installed and integrated into a ... about0 .4 A linear spring rate and high loadresistance with small deflections.For height to spring ratios between0.8 and 1.0—An almost linear spring ratefor fasteners and bearing and in stacks.For ... member (knob, wheel, handle), threaded device (screw-nut set), and sliding device (plunger-guide set).Sclater Chapter 6 5/3/01 12:25 PM Page 1 94 FLAT SPRINGS IN MECHANISMS1 74 Constant force is...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 7
... radii r1,r3, and r 4 . One such piece is shown inFig. 7. The templates have hubs that fitinto the drilled holes at 01, 03, and 0 4 .Next the arcs 7-1, 3 -4, and 5-6 are filedwith ... r 4 forfacilitating hand filing.Sclater Chapter 7 5/3/01 12:33 PM Page 2 04 220Fig. 4( A) Pressures and temperature indica-tors. A pressure change causes the diaphragm and sheave to move vertically and the ... 3- 4 with center at 03, arc 4- 5 with center at01, arc 5-6 with center at 0 4 , arc 7-1 withcenter at 01, and the straight lines 2-3 and 6-7. The method calls for a combinationof drilling,...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 8
... PLANETARY DRIVESPLANOCENTRIC DRIVEWOBBLE-GEAR DRIVESclater Chapter 8 5/3/01 12 :44 PM Page 2 74 287RATCHET-TOOTH SPEED-CHANGE DRIVEAn in-line shaft drive, with reduction ratios of 1:1 and 1:16 ... causes one complete nutation of theSclater Chapter 8 5/3/01 12 :42 PM Page 244 249 Sphere -and- disk drives (Figs. 12 and 13).The speed variations in the driveshown in Fig. 12 are obtained by chang-ing ... 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 FRICTION DRIVESFig. 2...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 9
... feeding tasks and counting.3 14 Fig. 1 A double-spring clutch drive.Fig. 2 A basic spring clutch.Fig. 3 A full-wave rectification drive.Fig. 4 A shuttle-pinion drive.Sclater Chapter 9 5/3/01 ... positive clockwisedrive to the driven planet carrier is established.Fig. 4 Pawl and Ratchet Clutch: (External Control) The drivingratchet of this clutch is keyed to the driving shaft, and the pawl ... constant angle.Sclater Chapter 9 5/3/01 12:57 PM Page 317 336LINKAGES FOR BAND CLUTCHES AND BRAKESFig. 1 An outside bandclutch operated by a roller and cone.Fig. 2 An outside bandclutch made...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 10
... machinery and protectit and its operator.Actuators Linear mechanical switchesSclater Chapter 10 5/3/01 1:08 PM Page 356 CHAPTER 10TORQUE-LIMITING,TENSIONING, AND GOVERNING DEVICESSclater Chapter ... devices.The hydraulic operation is exactly thesame as that described for the hydraulicdrives.Sclater Chapter 10 5/3/01 1:08 PM Page 353 A band brake intended to obtain afriction drag will give ... rollers, push-rods, and traveling nuts, are described and illustrated.358Sclater Chapter 10 5/3/01 1:08 PM Page 358 342 TORQUE-LIMITERS PROTECT LIGHT-DUTY DRIVESLight-duty drives break down...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 11
... CHAPTER 11PNEUMATIC AND HYDRAULIC MACHINE AND MECHANISMCONTROLSclater Chapter 11 5/3/01 1:15 PM Page 369 375Fig. 8 The housing ... the related components and linkages. The nested capsule (Fig. 4) requiresless space and can be designed to withstand large external overpressures without damage.Sclater Chapter 11 5/3/01 1:16 ... motor.Sclater Chapter 11 5/3/01 1:16 PM Page 392 40 2INSTANT MUSCLE WITH PYROTECHNIC POWERCartridge-actuated devices generate a punch that cuts cable and pipe, shears bolts for fast release, and provides...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 13
... establishes points A′2, A′3 and A′ 4 , but here A′3 and A′ 4 coincide because of symmetry of A3 and A 4 about A0B0. 4. Draw lines A1A′2 and A1A′ 4 , and the perpendicular bisectorsof ... 4/ 0 .40 6 74 =9.8 343 and a = 15.127 in., b = 4 in., c =10 .44 0 in., and d = 10. 049 in., which isvery close to the proportions used. Themaximum deviation of the transmissionangle from 90º is 47 .98º.This ... (A).Fig. 4 Designing a toggle to lie withinspace boundaries W and X. It can beshown that for maximum snap-action, sin θ= X/W.Sclater Chapter 13 5/3/01 1:33 PM Page 45 4 44 5DESIGNING CRANK -AND- ROCKER...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 14
... can 46 6Sclater Chapter 14 5/3/01 1 :44 PM Page 46 6 46 4SOFTWARE IMPROVEMENTS EXPAND CAD CAPABILITIESComputer Aided Design (CAD) is a computer-based technologythat allows a designer to draw and ... 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 48 4 CHAPTER 14 NEW DIRECTIONS ... circle thatis at right angles to a line drawn between the contact point and the center of the circle. 46 7Sclater Chapter 14 5/3/01 1 :44 PM Page 46 7 47 9Fig. 2 Wedge Stepping Motor: A close-up...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 15
... Technologies Group, Radford, VAã Ledex Actuation Products, TRW Control Systems, Vandalia OHã Sandia National Laboratories, Sandia Corporation, Albuquerque, NMã SolidWorks Corporation, Concord, MAã ... prior written permission of the publisher.12 345 67890 KGP/KGP 076 543 21ISBN 0-07-136169-3The sponsoring editor for this book was Larry S. Hager and the production supervisorwas Pamela A. Pelton. ... applications beyondNASA’s immediate objectives in space science and requirements for specialized equip-ment. The names of the scientist/inventors and the NASA facilities where the work wasperformed have...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 12
... 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 42 1 41 5Sclater Chapter 12 5/3/01 1:25 PM Page 41 5 dle has ... release collar is a key feature ofthis automatic grapple.Sclater Chapter 12 5/3/01 1: 24 PM Page 40 7 41 3From Handbook of Fastening and Joining of Metal Parts,McGraw-Hill, Inc.(A) A method for ... powered systems.Sclater Chapter 12 5/3/01 1: 24 PM Page 40 8 40 6REMOTELY CONTROLLED LATCHThis simple mechanism engages and disengages parallel plates carrying couplings and connectors.A new...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 16
... 3 14 spring, double 3 14 comb,electrostatic 47 6 48 4 cone adjustable 245 ball, and 250 belt 245 general 244 2 54 257 Graham 246 electrically-coupled 245 planetary 246 ring, and ... 43 2 rack -and- pinion 143 ratio 347 ring 94 99 112 263 267 289 ring, cont. 352 43 2 44 3 rolling 44 3 44 4 sheet-metal 279 shift arrangements 282 shifting, (gears and clutched) 2 84 ... angular acceleration 43 8 displacement 44 0 velocity 44 1 eight-slot 43 7 formulas for 43 9 four-slot 1 04 409 43 9 kinematics data for 43 9 six-slot 44 0 slot-crank motion 43 9 locking-arm...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 17
... both classical and mod-ern mechanisms and mechanical devices. This edition retains a large core of the con-tents from both the first and second editions, (published in 1991 and 1996,respectively), ... has been supplemented by new and revised articles reflecting present and future trends in mechanical engineering and machine design.The new articles in this edition address topics that are covered ... programmable computer and digi-tal technology on those systems. Other articles discuss servomotors, actuators, sole-noids, and feedback sensors—important electromechanical, and electronic componentsused...
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