think and grow rich summary chapter 2
Mechanisms and Mechanical Devices Sourcebook - Chapter 3
... 5 1 ⁄ 2 in. wide. Container height can vary from 2 to 14 inches. The unit handles labels ranging from 7 ⁄ 8 to 5 1 ⁄ 2 in. wide and 7 ⁄ 8 to 6 1 ⁄ 2 in. high. The label hopper is designed for labels ... remain 7 1 ⁄ 2 in. apart on the conveyor. Dual label- transfer turrets allow for the simulta- neous application of front and back labels. Sclater Chapter 3 5/3/01 10 :21 AM Page 75 72 A rotary ... shaft. Sclater Chapter 3 5/3/01 10 :22 AM Page 87 66 Fig. 3 In another type of action, the forward and return strokes are accomplished by a suitable mechanism, while the raising and lowering is imparted...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... every lobe on gear 4, and T 3 /T 4 = L 3 /L 4 = 2/ 3, where T 3 and T 4 are the numbers of teeth on gears 3 and 4. T 1 and T 2 will denote the numbers of teeth on gears 1 and 2. Next, select the ... r 4 and r 2 = r 3 , there is no “differential motion” and the output remains stationary. Thus if one gear pair, say 3 and 4, is made partly circular and partly noncircular, then where r 2 = ... then act as four-bar linkages, 00 1 PQ. Sclater Chapter 4 5/3/01 10:44 AM Page 1 02 CHAPTER 4 RECIPROCATING AND GENERAL-PURPOSE MECHANISMS Sclater Chapter 4 5/3/01 10:44 AM Page 93 Fast Cam-Follower...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 5
... turns. Dynamic and static balancing is simplified when an expanding wheel is attached to a nonexpanding main wheel. As a pulley, an expanding wheel can have a steel band fastened to only one section and ... cam, and cord transmission in a barometer. Sclater Chapter 5 5/3/01 11:46 AM Page 148 transmission and rotation, giving the magnified stoke y. Cut-out cam—A rapid rise and fall within 72 was ... expanding and contracting mechanisms. In the arrangement shown, nested tubes can be sealed and filled with a highly temperature-responsive medium such as a volatile liquid. Fig. 2 Sclater Chapter...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 6
... their seats. Sclater Chapter 6 5/3/01 12: 25 PM Page 191 CHAPTER 6 SPRING, BELLOW, FLEXURE, SCREW, AND BALL DEVICES Sclater Chapter 6 5/3/01 12: 24 PM Page 173 installed and integrated into a ... pressure. The screw in (B) retains and drives a dowel pin for locking purposes. A right- and left-handed shaft (C) actuates a press. Sclater Chapter 6 5/3/01 12: 25 PM Page 1 92 Do you need a buffer between ... tension. 179 Sclater Chapter 6 5/3/01 12: 24 PM Page 179 195 SEVEN SPECIAL SCREW ARRANGEMENTS Differential, duplex, and other types of screws can provide slow and fast feeds, minute adjustments, and strong...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 7
... feed. Sclater Chapter 7 5/3/01 12: 34 PM Page 23 5 23 2 BUSHED ROLLER CHAINS AND THEIR ADAPTATIONS Various roller, side-plate and pin configurations for power transmissions, conveying, and elevating. STANDARD ... r 4 for facilitating hand filing. Sclater Chapter 7 5/3/01 12: 33 PM Page 20 4 22 0 Fig. 4(A) Pressures and temperature indica- tors. A pressure change causes the diaphragm and sheave to move vertically and the ... SPEED RATIO Sclater Chapter 7 5/3/01 12: 34 PM Page 23 1 23 4 Fig. 1 This low-cost rack -and- pinion device is easily assembled from standard parts. Fig. 2 An extension of the rack -and- pinion principle—This...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 8
... retainer. Sclater Chapter 8 5/3/01 12: 43 PM Page 26 0 CHAPTER 8 GEARED SYSTEMS AND VARIABLE-SPEED MECHANISMS Sclater Chapter 8 5/3/01 12: 42 PM Page 24 1 25 6 VARIABLE-SPEED FRICTION DRIVES Fig. 2 Two disks ... ratios. Sclater Chapter 8 5/3/01 12: 44 PM Page 28 2 Noncircular Gears (continued ) Characteristics of Five Noncircular Gear Systems 27 8 Sclater Chapter 8 5/3/01 12: 44 PM Page 27 8 27 5 NONCIRCULAR ... complete nutation of the Sclater Chapter 8 5/3/01 12: 42 PM Page 24 4 24 9 Sphere -and- disk drives (Figs. 12 and 13). The speed variations in the drive shown in Fig. 12 are obtained by chang- ing the...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 9
... constant angle. Sclater Chapter 9 5/3/01 12: 57 PM Page 317 336 LINKAGES FOR BAND CLUTCHES AND BRAKES Fig. 1 An outside band clutch operated by a roller and cone. Fig. 2 An outside band clutch made ... performance, endurance limit stress for fatigue perform- ance 24 (El) nS) e 3 ( 60 2 12 π k M / Sclater Chapter 9 5/3/01 12: 56 PM Page 29 8 322 SMALL MECHANICAL CLUTCHES FOR PRECISE SERVICE Clutches ... interference T Ed D T Ebt D T Et D === πδ δ δ 4 2 3 2 4 2 32 6 6 ; ; 305 between spring and shaft, or spring and bore, inches; t = wire thickness, inches; b = width of rectangular wire, inches; and T = slip torque capacity,...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 10
... machinery and protect it and its operator. Actuators Linear mechanical switches Sclater Chapter 10 5/3/01 1:08 PM Page 356 CHAPTER 10 TORQUE-LIMITING, TENSIONING, AND GOVERNING DEVICES Sclater Chapter ... differentials and fluid velocities for their actuation. 3 62 Fig. 1 Auxiliary piston governor. Fig. 2 Hit -and- miss governor. Fig. 3 Force-compensated regulator. Sclater Chapter 10 5/3/01 1:08 PM Page 3 62 ... build-up. Sclater Chapter 10 5/3/01 1:07 PM Page 351 360 Limit Switches in Machinery (continued ) Sclater Chapter 10 5/3/01 1:08 PM Page 360 3 52 DRIVES FOR CONTROLLING TENSION Mechanical, electrical, and...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 11
... ball valve. Its range is 20 to 27 0°F, and its accuracy is ±1°F. The maximum pressure rating is 100 psi for dead-end service and 20 0 psi for continuous flow. Sclater Chapter 11 5/3/01 1:17 PM ... valve. Its temperature range is 20 to 27 0°F, and its accuracy is ±1 to 4°F. It is rated for 5 to 125 psi of steam and 5 to 175 psi of water. Fig. 8 These two recording and controlling instru- ments have ... a distant point. Fig. 20 A torque can also be applied to a shaft by a belt and pulley. Fig. 21 A motion is transmitted to a dis- tant point in the plane of motion. Fig. 22 A steep screw nut produces...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 13
... ( θ /2) = W /2 (22 ) JS/ [ (cos )] [ (cos )] max / / = −+ + 22 1 21 12 12 θ θ JS/ cos [ (cos )] (cos ) cos (cos ) max / / = − + −+ − + + + 1 21 1 1 1 21 21 12 2 12 θ θ θ θ θ Sclater Chapter ... velocity, and Fig. 6 for angular acceleration. d dt mm mm 2 2 2 2 22 1 12 β ω α α = − +− sin ( ) ( cos ) d dt m mm βα α = − +− ω cos cos 1 12 2 D d a n r = +2 4 180 2 22 cot cos cos cos β α = − +− ma mm 12 2 Fig. ... + ′ ′′ = − 1 1 1 1 2 2 12 221 2 22 R L RL RL x L R L RL RL ]] [ ( / ) sin ] cos sin cos / 1 22 32 2 2 − ′′ =− + ′′ + ′ RL x L R L θ ωθ φ ω θ φ ω θ Slider acceleration Sclater Chapter 13...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 14
... of materials. 2D drawing and detailing software packages are based on ANSI, ISO, DIN, and JIS drafting standards. In a 2D CAD drawing, an object must be described by multi- ple 2D views, generally ... high-impact- strength ABS (ABSi), investment casting wax, and elastomer. These materials melt at temperatures between 180 and 22 0ºF ( 82 and 104ºC). FDM is a proprietary process developed by Stratasys, ... as 8 ì 8 ì 8 in. (20 ì 20 ì 20 cm), and it prints models from square polyester wafers that are stacked in cassettes. The material is heated and extruded through a 0.01-in. (0 .25 - mm)–diameter...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 15
... Sclater. 2nd ed. 1996. ISBN 0-07-136169-3 1. Mechanical movements. I. Chironis, Nicholas P. II. Mechanisms & mechanical devices sourcebook. III. Title. TJ181.S28 20 01 621 .8—dc21 20 0103 029 7 Copyright ... Technologies Group, Radford, VA ã Ledex Actuation Products, TRW Control Systems, Vandalia OH ã Sandia National Laboratories, Sandia Corporation, Albuquerque, NM ã SolidWorks Corporation, Concord, MA ã ... without the prior written permission of the publisher. 123 4567890 KGP/KGP 07654 321 ISBN 0-07-136169-3 The sponsoring editor for this book was Larry S. Hager and the production supervisor was Pamela A....
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 12
... self-centering and stronger. Non-sliding gears can be pinned to the shaft if it is provided with a hub. Sclater Chapter 12 5/3/01 1 :25 PM Page 420 CHAPTER 12 FASTENING, LATCHING, CLAMPING, AND CHUCKING ... dimen- sioned hubs and clamps so that they can be efficiently fastened to a precision-ground shaft. Sclater Chapter 12 5/3/01 1 :25 PM Page 421 415 Sclater Chapter 12 5/3/01 1 :25 PM Page 415 dle ... fashion. Sclater Chapter 12 5/3/01 1 :25 PM Page 424 422 CLAMPING DEVICES FOR ACCURATELY ALIGNING ADJUSTABLE PARTS Methods for clamping parts that must be readily movable are as numerous and as varied...
Ngày tải lên: 22/10/2012, 14:26