This thorough and comprehensive web-enhanced edition has been updated and enhanced -- No other book has a web connection like this one! The software associated with the book makes it very useful for designing and analyzing linkage and CAM mechanisms. Web-enhanced features includefree access to ADAMS software, over 200 animated movie files of mechanisms and machines, and a new CAM design package. New material includes coverage of type synthesis, robot grippers, and curvature cognates, while retaining coverage of traditional material with a significant treatment of kinematic synthesis. All material is explored both graphically and analytically -- Graphical methods are used to fully explain basic principles. Features in-depth and rigorous discussions on displacement and velocity analysis; acceleration and force analysis; and cam design. For professionals interested in Kinematics, Mechanisms, and Dynamics.

Arthur G. Erdman is Morse Alumni Distinguished Teaching Professor of Mechanical Engineering, University of Minnesota.

In Memory

ix

Preface

xi

Introduction to Kinematics and Mechanisms

1

(95)

Introduction

1

(1)

Motion

1

(1)

The Four-Bar Linkage

2

(7)

Relative Motion

9

(1)

Kinematic Diagrams

9

(5)

Six-Bar Chains

14

(7)

Degrees of Freedom

21

(18)

Analysis versus Synthesis

39

Mechanism Design Example: Variable Speed Transmission

30

(66)

Problems

40

(56)

Mechanism Design Process

96

(23)

Introduction

96

(1)

The Seven Stages of Computer-Aided Engineering Design

96

(5)

How the Seven Stages Relate to This Text

101

(1)

A Need for Mechanisms

102

(5)

Design Categories and Mechanism Parameters

107

(6)

Troubleshooting Guide: Symptoms, Causes, and Sources of Assistance

113

(3)

History of Computer-Aided Mechanism Design

116

(3)

Displacement and Velocity Analysis

119

(114)

Displacement Analysis: Useful Indices for Position Analysis of Linkages

119

(12)

Displacement Analysis: Graphical Method

131

(4)

Displacement Analysis: Analytical Method

135

(2)

Concept of Relative Motion

137

(2)

Velocity Analysis: Graphical Method

139

(10)

Velocity Analysis: Analytical Method

149

(3)

Instant Centers

152

(8)

Velocity Analysis Using Instant Centers

160

(5)

Mechanical Advantage

165

(11)

Analytical Method for Velocity and Mechanical Advantage Determination

176

(5)

Computer Program for the Kinematic Analysis of a Four-Bar Linkage

181

(52)

Appendix: Review of Complex Numbers

183

(9)

Problems

192

(40)

Exercises

232

(1)

Acceleration Analysis

233

(58)

Introduction

233

(1)

Acceleration Difference

234

(5)

Relative Acceleration

239

(4)

Coriolis Acceleration

243

(20)

Mechanisms with Curved Slots and Higher-Pair Connections

263

(28)

Problems

268

(23)

Introduction to Dynamics of Mechanisms

291

(82)

Introduction

291

(5)

Inertia Forces in Linkages

296

(3)

Kinetostatic Analysis of Mechanisms

299

(2)

The Superposition Method (Graphical and Analytical)

301

(8)

Design Example: Analysis of a Variable-Speed Drive

309

(9)

The Matrix Method

318

(12)

Discussion of the Superposition and Matrix Approach to Kinetostatics

330

(1)

Time Response to Mechanisms

330

(16)

Dynamic Simulation of Mechanisms

346

(27)

Appendix: Commercial Software Programs

354

(4)

Problems

358

(15)

Cam Design

373

(74)

Introduction

373

(1)

Cam and Follower Types

374

(4)

Cam Synthesis

378

(2)

Displacement Diagrams: Graphical Development

380

(8)

Displacement Diagrams: Analytical Development

388

(6)

Advanced Cam Profile Techniques

394

(14)

Graphical Cam Profile Synthesis

408

(2)

Analytical Cam Profile Synthesis

410

(15)

Cam Synthesis for Remote Follower

425

(1)

Cam-Modulated Linkages

426

(21)

Problems

435

(12)

Gears and Gear Trains

447

(67)

Introduction

447

(5)

Gear Tooth Nomenclature

452

(4)

Forming of Gear Teeth

456

(2)

Gear Trains

458

(7)

Planetary Gear Trains

465

(8)

The Formula Method

473

(7)

The Tabular Method

480

(4)

The Instant Center Method (or Tangential Velocity Method)

484

(6)

Tooth Loads and Power Flow in Branching Planetary Gear Systems

490

(24)

Problems

498

(16)

Introduction to Kinematic Synthesis: Graphical and Linear Analytical Methods

514

(133)

Introduction

514

(2)

Tasks of Kinematic Synthesis

516

(10)

Type Synthesis

526

(13)

Tools of Dimensional Synthesis

539

(1)

Graphical Synthesis---Motion Generation: Two Prescribed Positions

539

(3)

Graphical Synthesis---Motion Generation: Three Prescribed Positions

542

(1)

Graphical Synthesis for Path Generation: Three Prescribed Positions

543

(1)

Path Generation with Prescribed Timing: Three Prescribed Positions

544

(2)

Graphical Synthesis for Path Generation (without Prescribed Timing): Four Positions

546

(2)

Function Generator: Three Precision Points

548

(5)

The Overlay Method

553

(1)

Analytical Synthesis Techniques

554

(1)

Introduction to Analytical Synthesis

555

(7)

The Standard Dyad Form

562

(4)

Number of Prescribed Positions versus Number of Free Choices

566

(2)

Three Prescribed Positions for Motion, Path, and Function Generation

568

(6)

Three-Precision-Point Synthesis Examples

574

(6)

Circle-Point and Center-Point Circles

580

(8)

Ground-Pivot Specification

588

(3)

Extension of Three-Precision-Point Synthesis to Multiloop Mechanisms

591

(4)

Freudenstein's Equation for Three-Point Function Generation

595

(3)

Loop-Closure-Equation Technique

598

(3)

Order Synthesis: Four-Bar Function Generation

601

(3)

Three-Precision-Point Synthesis: Analytical versus Graphical

604

(43)

Appendix: Case Study---Type of Synthesis of Casement Window Mechanisms

604

(20)

Problems

624

(23)

Answers to Selected Problems

647

(3)

References

650

(11)

Index

661

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Mechanism Design Analysis and Synthesis

9780130408723

0130408727

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