ISBN-10:
0791800873
ISBN-13:
9780791800874
Pub. Date:
01/09/2013
Publisher:
ASME Press
Detailed Mechanical Design: A Practical Guide

Detailed Mechanical Design: A Practical Guide

by James G. Skakoon

Hardcover

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Overview

This book presents principles, rules, guidelines, and tips useful for designers and engineers when they design mechanical parts and assemblies. It contains descriptions and examples of real-world, practical ideas that come from successful design experience.

Applying the book's ideas and methods during detail design will improve how designers develop products and will result in superior mechanical designs.

The contents focus on mechanical design at the detailed level: how should parts and assemblies be configured for optimum performance. Methods are provided for synthesis and analysis in mechanical design. Basic design practices that will improve the strength, robustness, function, user handling, and manufacturability of parts and assemblies are described in depth. Guidelines for selecting plastic, rubber, and metal materials are presented. Finally, the book includes useful tips for selecting and designing components such as bolts, nuts, screws, springs, and adhesive joints.

This book contains information that is in the past could only be accumulated after years of experience and interaction with other designers. It is of interest to mechanical design and project engineers, as well as to industrial designers and engineering managers.

Product Details

ISBN-13: 9780791800874
Publisher: ASME Press
Publication date: 01/09/2013
Edition description: New Edition
Pages: 228
Sales rank: 609,319
Product dimensions: 6.00(w) x 9.00(h) x 0.56(d)

Table of Contents

Prefaceix
Chapter 1.Introduction1
1.1About This Book3
1.2The Mechanical Design Process4
1.2.1Market Need Identification5
1.2.2Product Specification5
1.2.3Concept Development6
1.2.4Detail Design11
1.2.5Production12
1.2.6Distribution12
1.3The Mechanical Design Process: Other Perspectives12
1.3.1Mechanical Design as Problem Solving13
1.3.2Mechanical Design as Project Management13
1.3.3Mechanical Design as Decision Making13
1.4The Mechanical Engineering Sciences14
1.5About Design Science15
Chapter 2.Principles of Mechanical Design17
2.1Introduction19
2.2Principle of Functional Independence19
2.3Principle of Minimum Information22
2.4Principle of Exact Constraint25
2.4.1Introduction to Exact Constraint Design25
2.4.2Defining Exact Constraint26
2.4.3Constraint Theory27
2.4.4Converting Constraint Theory Into Practice34
2.4.5Common Examples37
2.5Principle of Self-Help39
2.5.1Introduction to the Principle of Self-Help39
2.5.2Self-Reinforcing Self-Help (Force Manifestation)40
2.5.3Self-Balancing Self-Help (Force Neutralization)42
2.5.4Self-Protecting Self-Help (Force Distribution)44
2.6Principle of Convergence and Stability46
2.7Introduction to Suh's Design Axioms48
2.7.1Overview of the Independence Axiom49
2.7.2Overview of the Information Axiom50
2.7.3Corollaries and Theorems to Suh's Design Axioms51
2.7.4Perspectives on Suh's Design Axioms52
Chapter 3.Methods for Synthesis in Detail Design53
3.1Analogy56
3.2Inversion58
3.3Empathy60
3.4Composition62
3.4.1Composition Defined63
3.4.2Three-Dimensional Modeling for Composition64
Chapter 4.Engineering Analysis in Mechanical Design67
4.1Analysis: Value and Types69
4.2Analyzability in Design72
4.2.1Continuum of Analytical Methods72
4.2.2Analyzability Defined73
4.2.3Selecting the Correct Level of Analysis74
4.3Trends and Relationships75
4.3.1Trigonmetric Functions76
4.3.2Exponential Relationships78
4.3.3Parametric Relationships81
4.3.4Trends and Relationships From FEA82
4.4Force Flow Line Visualization83
4.4.1Purpose of Force Flow Line Visualization84
4.4.2Using Force Flow Lines84
4.5Determining Robustness86
4.5.1Introduction86
4.5.2Design Tools for Robustness Analysis88
Chapter 5.Design Practices93
5.1Triangulation95
5.2Minimizing Force Paths101
5.3Localizing Reaction Forces102
5.4Controlling Energy of Forces103
5.5Localizing Tolerances105
5.6Dimensioning and Tolerancing for Function107
5.7Optimizing Loads and Stress Distribution110
5.8Matching Deformations112
5.9Lead-Ins and Lead-Outs115
5.10Self-Fixturing, Self-Adjustment, and Self-Alignment117
5.11Guiding and Jamming119
5.12Using Chamfers to Reduce Stress121
5.13Avoiding Frictional Races122
5.14Sacrificial and Protective Parts123
Chapter 6.Materials125
6.1Thermoplastics127
6.1.1General Properties127
6.1.2Processing131
6.1.3Classification by Groups133
6.1.4Filler Modifications141
6.1.5Material Selection142
6.1.6Part Design Guidelines143
6.1.7Overview and Summary of Thermoplastics146
6.2Thermosets147
6.2.1General Properties147
6.2.2Processing148
6.2.3Thermoset Types149
6.2.4Part Design150
6.3Rubber150
6.3.1General Properties150
6.3.2Rubber Types151
6.3.3Processing154
6.4Metals154
6.4.1General Properties and Groups154
6.4.2Carbon Steel155
6.4.3Stainless Steel155
6.4.4Aluminum156
6.4.5Copper and Copper Alloys157
Chapter 7.Components159
7.1Screw Threads and Threaded Fasteners162
7.1.1Introduction162
7.1.2Basic Characteristics of Screw Threads and Fasteners162
7.1.3Preload164
7.1.4External Loads on Threaded Fastener Joints166
7.1.5Thread-Locking Methods170
7.1.6Selecting Standard Fasteners171
7.2Springs174
7.2.1Types of Springs174
7.2.2Spring Materials177
7.2.3Basic Performance Characteristics178
7.2.4Designing Springs179
7.2.5Fabricating Springs185
7.3Snap-Fits188
7.3.1Introduction188
7.3.2Designing Snap-Fits189
7.3.3Snap-Fit Variations189
7.4Adhesives and Adhesive Joints190
7.4.1Joints190
7.4.2Types of Adhesive Joint Loading193
7.4.3Types of Adhesives195
Chapter 8.Conclusion and Recommendations197
Bibliography201
About the Author207
Index209

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