Cover image for Mechanisms and mechanical devices sourcebook
Title:
Mechanisms and mechanical devices sourcebook
Author:
Sclater, Neil.
Personal Author:
Edition:
Third edition.
Publication Information:
New York : McGraw-Hill, [2001]

©2001
Physical Description:
xv, 495 pages : illustrations ; 29 cm
General Note:
Rev. ed of: Mechanisms & mechanical devices sourcebook / [edited by] Nicholas P. Chironis, Neil Sclater. 2nd ed. 1996.
Language:
English
Subject Term:
Added Author:
Added Uniform Title:
Mechanisms & mechanical devices sourcebook.
ISBN:
9780071361699
Format :
Book

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Central Library TJ181 .S28 2001 Adult Non-Fiction Central Closed Stacks-Oversize
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Summary

Summary

2,501 mechanisms and mechanical devices at your fingertips! A one-of-a-kind pictorial directory, Mechanisms and Mechanical Devices Sourcebook, Third Edition, gives you drawings and descriptions of time-tested components, mechanisms, and devices. A carefully compiled index lets you quickly find a specific component which may very well be the exact problem-solving answer you've been seeking. You can count on this guide to help you: * Recycle successful mechanical inventions into new products, with or without modifications * Design basic mechanisms from scratch with a chapter of tutorial text and formulas * Save time researching patents * Get a refresher on the design and function of bearings, belts, brakes, clutches, couplings, cranks, feeders, gears, genevas, joints, latches, linkages, pumps, screws, springs, and switches Stay on top of present and future trends in mechanical engineering and machine design, with up-to-date treatments of motion control systems; 2D and 3D CAD software; industrial robots and rapid prototyping (RP) systems; recent research and spinoffs of MEMS technology


Reviews 1

Choice Review

This fascinating volume by engineer/author Sclater would be an ideal asset to any design engineer's or inventor's bookshelf. With emphasis on mechanical engineering design concepts, it is a collection of mostly mechanisms along with other mechanical devices, all pointing to the fundamental design ideas of transmitting forces/torques from one location/axis to another, and similarly transmitting forces/torques in linear and circular motions. The 19 chapters in this new edition (4th ed., 2007; 1st ed., 1991) cover systems for motion control, robotics, linkages, gears, cams, clutches/brakes, clamping devices, chain and belt devices, screw-actuated devices, shaft couplings, and more. The introductory chapter is an excellent summary of linkages and mechanisms. The last three chapters address recent ideas in mechanical engineering design, such as 3-D and rapid prototyping, micro- and nano-level tools, materials, and metrology. Other recent concepts, such as atomic force microscopy (discussed only very briefly), microfluidic designs, or white light interferometry, are not included. The book makes very interesting reading; the diagrams are clear and detailed, and the text provides enough information to convey the main ideas to technically literate readers. Valuable for all mechanical, industrial, robotic, and MEMS engineering designers, and a useful reference for junior- or senior-level undergraduate mechanical design courses. Summing Up: Highly recommended. Upper-division undergraduates through professionals; two-year technical program students. J. Lambropoulos University of Rochester


Table of Contents

Prefacep. xiii
Acknowledgmentsp. xv
Chapter 1 Motion Control Systemsp. 1
Motion Control Systems Overviewp. 2
Glossary of Motion Control Termsp. 9
High-Speed Gearheads Improve Small Servo Performancep. 10
Modular Single-Axis Motion Systemsp. 12
Mechanical Components Form Specialized Motion-Control Systemsp. 13
Servomotors, Stepper Motors, and Actuators for Motion Controlp. 14
Servosystem Feedback Sensorsp. 22
Solenoids and Their Applicationsp. 29
Chapter 2 Robot Mechanismsp. 33
Industrial Robotsp. 34
FANUC Robot Specificationsp. 38
Mechanism for Planar Manipulation With Simplified Kinematicsp. 43
Tool-Changing Mechanism for Robotp. 44
Piezoelectric Motor in Robot Finger Jointp. 45
Six-Degree-of-Freedom Parallel Minimanipulatorp. 46
Self-Reconfigurable, Two-Arm Manipulator With Bracingp. 47
Improved Roller and Gear Drives for Robots and Vehiclesp. 48
All-Terrain Vehicle With Self-Righting and Pose Controlp. 49
Chapter 3 Parts-Handling Mechanismsp. 51
Mechanisms That Sort, Feed, or Weighp. 52
Cutting Mechanismsp. 56
Flipping Mechanismsp. 58
Vibrating Mechanismp. 58
Seven Basic Parts Selectorsp. 59
Eleven Parts-Handling Mechanismsp. 60
Seven Automatic-Feed Mechanismsp. 62
Seven Linkages for Transport Mechanismsp. 65
Conveyor Systems for Production Machinesp. 68
Traversing Mechanisms for Winding Machinesp. 73
Vacuum Pickup Positions Pillsp. 75
Machine Applies Labels from Stacks or Rollersp. 75
High-Speed Machines for Adhesive Applicationsp. 76
Automatic Stopping Mechanisms for Faulty Machine Operationp. 82
Electrical Automatic Stopping Mechanismsp. 88
Automatic Safety Mechanisms for Operating Machinesp. 90
Chapter 4 Reciprocating and General-Purpose Mechanismp. 93
Gears and Eccentric Disk Combine in Quick Indexingp. 94
Timung Belts, Four-Bar Linkage Team Up for Smooth Indexingp. 95
Modified Ratchet Drivep. 96
Odd Shapes in Planetary Give Smooth Stop and Gop. 97
Cycloid Gear Mechanism Controls Stroke of Pumpp. 99
Converting Rotary-to-Linear Motionp. 100
New Star Wheels Challenge Geneva Drives for Indexingp. 100
Geneva Mechanismsp. 103
Modified Geneva Drivesp. 106
Indexing and Intermittent Mechanismsp. 108
Rotary-to-Reciprocating Motion and Dwell Mechanismsp. 116
Friction Devices for Intermittent Rotary Motionp. 122
No Teeth on These Ratchetsp. 124
Cam-Controlled Planetary Gear Systemp. 125
Chapter 5 Special-Purpose Mechanismsp. 127
Nine Different Ball Slides for Linear Motionp. 128
Ball-Bearing Screws Convert Rotary to Linear Motionp. 130
Three-Point Gear/Leadscrew Positioningp. 131
Unique Linkage Produces Precise Straight-Line Motionp. 132
Twelve Expanding and Contracting Devicesp. 134
Five Linkages for Straight-Line Motionp. 136
Linkage Ratios for Straight-Line Mechanismsp. 138
Linkages for Other Motionsp. 139
Five Cardan-Gear Mechanismsp. 140
Ten Ways to Change Straight-Line Directionp. 142
Nine More Ways to Change Straight-Line Directionp. 144
Linkages for Accelerating and Decelerating Linear Strokesp. 146
Linkages for Multiplying Short Motionsp. 148
Parallel-Link Mechanismsp. 150
Stroke Multiplierp. 150
Force and Stroke Multipliersp. 152
Stroke-Amplifying Mechanismsp. 154
Adjustable-Stroke Mechanismsp. 155
Adjustable-Output Mechanismsp. 156
Reversing Mechanismsp. 158
Computing Mechanismsp. 159
Eighteen Variations of Differential Linkagep. 163
Space Mechanismsp. 165
Seven Popular Types of Three-Dimensional Drivesp. 167
Inchworm Actuatorp. 172
Chapter 6 Spring, Bellow, Flexure, Screw, and Ball Devicesp. 173
Flat Springs in Mechanismsp. 174
Pop-Up Springs Get New Backbonep. 176
Twelve Ways to Put Springs to Workp. 177
Overriding Spring Mechanisms for Low-Torque Drivesp. 179
Spring Motors and Typical Associated Mechanismsp. 181
Flexures Accurately Support Pivoting Mechanisms and Instrumentsp. 183
Taut Bands and Leadscrew Provide Accurate Rotary Motionp. 185
Air Spring Mechanismsp. 186
Obtaining Variable Rates from Springsp. 188
Belleville Springsp. 189
Spring-Type Linkage for Vibration Controlp. 190
Twenty Screw Devicesp. 191
Ten Ways to Employ Screw Mechanismsp. 194
Seven Special Screw Arrangementsp. 195
Fourteen Adjusting Devicesp. 196
Linear Roller Bearings Are Suited for High-Load, Heavy-Duty Tasksp. 197
Chapter 7 Cam, Toggle, Chain, and Belt Mechanismsp. 199
Cam Basicsp. 200
Cam-Curve Generating Mechanismsp. 201
Fifteen Ideas for Cam Mechanismsp. 207
Special-Function Camsp. 209
Cam Drives for Machine Toolsp. 210
Toggle Linkage Applications in Different Mechanismsp. 211
Sixteen Latch, Toggle, and Trigger Devicesp. 213
Six Snap-Action Mechanismsp. 215
Eight Snap-Action Devicesp. 217
Applications of the Differential Winch to Control Systemsp. 219
Six Applications for mechanical Power Amplifiersp. 221
Variable-Speed Belt and Chain Drivesp. 224
Getting in Step With Hybrid Beltsp. 227
Change Center Distance Without Affecting Speed Ratiop. 231
Motor Mount Pivots for Controlled Tensionp. 231
Bushed Roller Chains and Their Adaptationsp. 232
Six Ingenious Jobs for Roller Chainp. 234
Six More Jobs for Roller Chainp. 236
Mechanisms for Reducing Pulsations in Chain Drivesp. 238
Smoother Drive Without Gearsp. 240
Chapter 8 Geared Systems and Variable-Speed Mechanismsp. 241
Gears and Gearingp. 242
Nutating-Plate Drivep. 243
Cone Drive Needs No Gears or Pulleysp. 244
Variable-Speed Mechanical Drivesp. 245
Unidirectional Drivep. 253
More Variable-Speed Drivesp. 254
Variable-Speed Friction Drivesp. 256
Variable-Speed Drives and Transmissionsp. 258
Precision Ball Bearings Replace Gears in Tiny Speed Reducersp. 260
Multifunction Flywheel Smoothes Friction in Tape Cassette Drivep. 261
Controlled Differential Drivesp. 262
Twin-Motor Planetary Gears Provide Safety Plus Dual-Speedp. 263
Harmonic-Drive Speed Reducersp. 263
Flexible Face-Gears Make Efficient High-Reduction Drivesp. 266
Compact Rotary Sequencerp. 267
Planetary Gear Systemsp. 268
Noncircular Gearsp. 275
Sheet-Metal Gears, Sprockets, Worms, and Ratchetsp. 279
How to Prevent Reverse Rotationp. 281
Gear-Shift Arrangementsp. 282
Shifting Mechanisms for Gears and Clutchesp. 284
Fine-Focus Adjustmentsp. 286
Ratchet-Tooth Speed-Change Drivep. 287
Twinworm Gear Drivep. 287
Compliant Gearing for Redundant Torque Drivep. 289
Lighter, More-Efficient Helicopter Transmissionsp. 290
Worm Gear With Hydrostatic Engagementp. 290
Straddle Design of Spiral Bevel and Hypoid Gearsp. 292
Chapter 9 Coupling, Clutching, and Braking Devicesp. 293
Coupling of Parallel Shaftsp. 294
Novel Linkage Couples Offset Shaftsp. 295
Disk-and-Link Coupling Simplifies Transmissionsp. 296
Interlocking Space-Frames Flex as They Transmit Shaft Torquep. 297
Off-Center Pins Cancel Misalignment of Shaftsp. 299
Hinged Links and Torsion Bushings Give Drives a Soft Startp. 300
Universal Joint Relays Power 45[degree] at Constant Speedsp. 301
Basic Mechanical Clutchesp. 302
Spring-Wrapped Slip Clutchesp. 304
Controlled-Slip Concept Adds New Uses for Spring Clutchesp. 306
Spring Bands Grip Tightly to Drive Overrunning Clutchp. 307
Slip and Bidirectional Clutches Combine to Control Torquep. 308
Walking Pressure Plate Delivers Constant Torquep. 309
Conical-Rotor Motor Provides Instant Clutching or Brakingp. 310
Fast-Reversal Reel Drivep. 310
Seven Overrunning Clutchesp. 311
Spring-Loaded Pins aid Sprags in One-Way Clutchp. 312
Roller-Type Clutchp. 312
One-Way Output From Speed Reducersp. 313
Springs, Shuttle Pinion, and Sliding Ball Perform in One-Way Drivesp. 314
Details of Overriding Clutchesp. 316
Ten Ways to Apply Overrunning Clutchesp. 318
Applications for Sprag-Type Clutchesp. 320
Small Mechanical Clutches for Precise Servicep. 322
Mechanisms for Station Clutchesp. 324
Twelve Applications for Electromagnetic Clutches and Brakesp. 326
Trip Roller Clutchp. 328
Geared Electromechanical Rotary Jointp. 329
Ten Universal Shaft Couplingsp. 330
Methods for Coupling Rotating Shaftsp. 332
Linkages for Band Clutches and Brakesp. 336
Special Coupling Mechanismsp. 337
Link Coupling Mechanismsp. 338
Chapter 10 Torque-Limiting, Tensioning, and Governing Devicesp. 339
Caliper Brakes Help Maintain Proper Tension in Press Feedp. 340
Sensors Aid Clutch/Brakesp. 340
Warning Device Prevents Overloading of Boomp. 341
Constant Watch on Cable Tensionp. 341
Torque-Limiters Protect Light-Duty Drivesp. 342
Limiters Prevent Overloadingp. 343
Seven Ways to Limit Shaft Rotationp. 346
Mechanical Systems for Controlling Tension and Speedp. 348
Drives for Controlling Tensionp. 352
Switch Prevents Overloading of a Hoistp. 355
Mechanical, Geared, and Cammed Limit Switchesp. 356
Limit Switches in Machineryp. 358
Automatic Speed Governorsp. 362
Centrifugal, Pneumatic, Hydraulic, and Electric Governorsp. 364
Speed Control Devices for Mechanismsp. 366
Floating-Pinion Torque Splitterp. 367
Chapter 11 Pneumatic and Hydraulic Machine and Mechanism Controlp. 369
Designs and Operating Principles of Typical Pumpsp. 370
Rotary-Pump Mechanismsp. 374
Mechanisms Actuated by Pneumatic or Hydraulic Cylindersp. 376
Foot-Controlled Braking Systemp. 378
Linkages Actuate Steering in a Tractorp. 378
Fifteen Jobs for Pneumatic Powerp. 379
Ten Ways to Use Metal Diaphragms and Capsulesp. 380
Differential Transformer Sensing Devicesp. 382
High-Speed Countersp. 384
Designing With Permanent Magnetsp. 385
Permanent Magnet Mechanismsp. 387
Electrically Driven Hammer Mechanismsp. 390
Thermostatic Mechanismsp. 392
Temperature-Regulating Mechanismsp. 396
Photoelectric Controlsp. 398
Liquid Level Indicators and Controllersp. 400
Instant Muscle With Pyrotechnic Powerp. 402
Chapter 12 Fastening, Latching, Clamping, and Chucking Devicesp. 405
Remotely Controlled Latchp. 406
Toggle Fastener Inserts, Locks, and Releases Easilyp. 407
Grapple Frees Loads Automaticallyp. 407
Quick-Release Lock Pin Has a Ball Detentp. 408
Automatic Brake Locks Hoist When Driving Torque Ceasesp. 408
Lift-Tong Mechanism Firmly Grips Objectsp. 409
Perpendicular-Force Latchp. 409
Quick-Release Mechanismsp. 410
Ring Springs Clamp Platform Elevator Into Positionp. 411
Quick-Acting Clamps for Machines and Fixturesp. 412
Friction Clamping Devicesp. 414
Detents for Stopping Mechanical Movementsp. 416
Ten Different Splined Connectionsp. 418
Fourteen Ways to Fasten Hubs to Shaftsp. 420
Clamping Devices for Accurately Aligning Adjustable Partsp. 422
Spring-Loaded Chucks and Holding Fixturesp. 424
Short In-Line Turnbucklep. 424
Actuator Exerts Tensile or Compressive Axial Loadp. 425
Gripping System for Mechanical Testing of Compositesp. 426
Passive Capture Joint With Three Degrees of Freedomp. 427
Probe-and-Socket Fasteners for Robotic Assemblyp. 428
Chapter 13 Key Equations and Charts for Designing Mechanismsp. 429
Four-Bar Linkages and Typical Industrial Applicationsp. 430
Designing Geared Five-Bar Mechanismsp. 432
Kinematics of Intermittent Mechanisms--The External Geneva Wheelp. 436
Kinematics of Intermittent Mechanisms--The Internal Geneva Wheelp. 439
Equations for Designing Cycloid Mechanismsp. 442
Designing Crank-and-Rocker Links With Optimum Force Transmissionp. 445
Design Curves and Equations for Gear-Slider Mechanismsp. 448
Designing Snap-Action Togglesp. 452
Feeder Mechanisms for Angular Motionsp. 455
Feeder Mechanisms for Curvilinear Motionsp. 456
Roberts' Law Helps to Find Alternate Four-Bar Linkagesp. 459
Ratchet Layout Analyzedp. 460
Slider-Crank Mechanismp. 461
Chapter 14 New Directions in Machine Designp. 463
Software Improvements Expand CAD Capabilitiesp. 464
New Processes Expand Choices for Rapid Prototypingp. 468
Micromachines Open a New Frontier for Machine Designp. 475
Multilevel Fabrication Permits More Complex and Functional MEMSp. 478
Miniature Multispeed Transmissions for Small Motorsp. 481
MEMS Chips Become Integrated Microcontrol Systemsp. 482
LIGA: An Alternative Method for Making Microminiature Partsp. 484
Indexp. 487

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