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Michael J. Rider, M Rider

Design and Analysis of Mechanisms – A Planar Approach

Name: Design and Analysis of Mechanisms – A Planar Approach
Author: Michael J. Rider

A Planar Approach

Paperback Engels 2015 9781119054337

80,79

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Samenvatting

A planar or two–dimensional (2D) mechanism is the combination of two or more machine elements that are designed to convey a force or motion across parallel planes. For any mechanical engineer, young or old, an understanding of planar mechanism design is fundamental. Mechanical components and complex machines, such as engines or robots, are often designed and conceptualised in 2D before being extended into 3D.

Designed to encourage a clear understanding of the nature and design of planar mechanisms, this book favours a frank and straightforward approach to teaching the basics of planar mechanism design and the theory of machines with fully worked examples throughout.

Key Features:

Provides simple instruction in the design and analysis of planar mechanisms, enabling the student to easily navigate the text and find the desired material
Covers topics of fundamental importance to mechanical engineering, from planar mechanism kinematics, 2D linkage analyses and 2D linkage design to the fundamentals of spur gears and cam design
Shows numerous example solutions using EES (Engineering Equation Solver) and MATLAB software, with appendices dedicated to explaining the use of both computer tools
Follows end–of–chapter problems with clearly detailed solutions

Specificaties

ISBN13:9781119054337

Taal:Engels

Bindwijze:paperback

Aantal pagina's:316

Uitgever:John Wiley & Sons

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Inhoudsopgave

Preface viii
1 Introduction to Mechanisms 1
1.1 Introduction 1
1.2 Kinematic Diagrams 2
1.3 Degrees of Freedom or Mobility 5
1.4 Grashof s Equation 7
1.5 Transmission Angle 7
1.6 Geneva Mechanism 10
Problems 12
Reference 15
2 Position Analysis of Planar Linkages 16
2.1 Introduction 16
2.2 Graphical Position Analysis 17
2.2.1 Graphical Position Analysis for a 4–Bar 17
2.2.2 Graphical Position Analysis for a Slider–Crank Linkage 19
2.3 Vector Loop Position Analysis 20
2.3.1 What Is a Vector? 20
2.3.2 Finding Vector Components of M 21
2.3.3 Position Analysis of 4–Bar Linkage 23
2.3.4 Position Analysis of Slider–Crank Linkage 36
2.3.5 Position Analysis of 6–Bar Linkage 47
Problems 49
Programming Exercises 62
3 Graphical Design of Planar Linkages 66
3.1 Introduction 66
3.2 Two–Position Synthesis for a Four–Bar Linkage 67
3.3 Two–Position Synthesis for a Quick Return 4–Bar Linkage 69
3.4 Two–Positions for Coupler Link 72
3.5 Three Positions of the Coupler Link 72
3.6 Coupler Point Goes Through Three Points 75
3.7 Coupler Point Goes Through Three Points with Fixed Pivots and Timing 78
3.8 Two–Position Synthesis of Slider–Crank Mechanism 82
3.9 Designing a Crank–Shaper Mechanism 84
Problems 88
4 Analytical Linkage Synthesis 95
4.1 Introduction 95
4.2 Chebyshev Spacing 95
4.3 Function Generation Using a 4–Bar Linkage 98
4.4 Three–Point Matching Method for 4–Bar Linkage 100
4.5 Design a 4–Bar Linkage for Body Guidance 103
4.6 Function Generation for Slider–Crank Mechanisms 106
4.7 Three–Point Matching Method for Slider–Crank Mechanism 108
Problems 112
Further Reading 114
5 Velocity Analysis 115
5.1 Introduction 115
5.2 Relative Velocity Method 116
5.3 Instant Center Method 123
5.4 Vector Method 137
Problems 145
Programming Exercises 152
6 Acceleration 156
6.1 Introduction 156
6.2 Relative Acceleration 157
6.3 Slider Crank Mechanism with Horizontal Motion 158
6.4 Acceleration of Mass Centers for Slider Crank Mechanism 161
6.5 Four–bar Linkage 162
6.6 Acceleration of Mass Centers for 4–bar Linkage 167
6.7 Coriolis Acceleration 168
Problems 173
Programming Exercises 179
7 Static Force Analysis 183
7.1 Introduction 183
7.2 Forces, Moments, and Free Body Diagrams 184
7.3 Multiforce Members 188
7.4 Moment Calculations Simplified 194
Problems 194
Programming Exercises 198
8 Dynamics Force Analysis 201
8.1 Introduction 201
8.2 Link Rotating about Fixed Pivot Dynamic Force Analysis 203
8.3 Double–Slider Mechanism Dynamic Force Analysis 205
Problems 208
9 Spur Gears 212
9.1 Introduction 212
9.2 Other Types of Gears 212
9.3 Fundamental Law of Gearing 213
9.4 Nomenclature 216
9.5 Tooth System 218
9.6 Meshing Gears 219
9.6.1 Operating Pressure Angle 220
9.6.2 Contact Ratio 220
9.7 Noninterference of Gear Teeth 221
9.8 Gear Racks 224
9.9 Gear Trains 225
9.9.1 Simple Gear Train 226
9.9.2 Compound Gear Train 226
9.9.3 Inverted Compound Gear Train 229
9.9.4 Kinetic Energy of a Gear 231
9.10 Planetary Gear Systems 233
9.10.1 Differential 235
9.10.2 Clutch 236
9.10.3 Transmission 236
9.10.4 Formula Method 238
9.10.5 Table Method 241
Problems 242
10 Planar Cams and Cam Followers 248
10.1 Introduction 248
10.2 Follower Displacement Diagrams 250
10.3 Harmonic Motion 252
10.4 Cycloidal Motion 253
10.5 5–4–3 Polynomial Motion 255
10.6 Fifth–Order Polynomial Motion 256
10.7 Cam with In–Line Translating Knife–Edge Follower 258
10.8 Cam with In–Line Translating Roller Follower 259
10.9 Cam with Offset Translating Roller Follower 265
10.10 Cam with Translating Flat–Face Follower 266
Problems 270
Appendix A: Engineering Equation Solver 272
Appendix B: MATLAB 289
Further Reading 299
Index 000

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