本书是美国Robert L. Mott教授所著Machine Elements in Mechanical Design（Fourth Edition，2004）的缩编版。缩编者在保持原书特色和风格的前提下，根据我国机械设计课程的教学要求，删去了原书中与我国其他先修课程重复的部分内容，将原书23章缩编为16章，并将计量单位转换为公制。缩编后的内容包括：机械设计概论，带传动与链传动，齿轮传动与蜗杆传动，轴，轴联接件（键、联轴器、密封），滚动轴承，滑动轴承，紧固件，弹簧，机座，离合器与制动器，设计大作业等。
本书可作为高等学校工科机械类专业机械设计课程的双语教学教材，也可供从事机械专业的教师、研究生或工程技术人员参考。

PATRⅠPrinciples of Design and Stress Analysis
1 The Nature of Mechanical Design
The Big Picture
You Are the Designer
1-1 Objectives of This Chapter
1-2 The Mechanical Design Process
1-3 Skills Needed in Mechanical Design
1-4 Functions, Design Requirements, and Evaluation Criteria
1-5 Example of the Integration of Machine Elements into a Mechanical Design
1-6 Computational Aids in This Book
1-7 Design Calculations
1-8 Unit Systems
References
Problems
2 Materials in Mechanical Design
The Big Picture
You Are the Designer
2-1 Objectives of This Chapter
2-2 Properties of Materials
2-3 Classification of Metals and Alloys
2-4 Variability of Material Properties Data
2-5 Carbon and Alloy Steel
2-6 Conditions for Steels and heat Treatment
2-7 Materials Selection
References
Problems
3 Design for Different Types of Loading
The Big Picture
3-1 Objectives of This Chapter
3-2 Types of Loading and Stress Ratio
3-3 Endurance Strength
3-4 Estimated Actual Endurance Strength,
3-5 Example Problems for Estimating Actual Endurance Strength
3-6 Design Philosophy
3-7 Design Factors
3-8 Predictions of Failure
3-9 Design Analysis Methods
3-10 General Design Procedure
3-11 Design Examples
3-12 Statistical Approaches to Design
3-13 Finite Life and Damage Accumulation Method
References
Problems
PATRⅡDesign of a Mechanical Drive
4 Belt Drives and Chain Drives
The Big Picture
You Are the Designer
4-1 Objectives of This Chapter
4-2 Types of Belt Drives
4-3 V-Belt Drives
4-4 V-Belt Drive Design
4-5 Chain Drives
4-6 Design of Chain Drives
References
Problems
5 Spur Gear Design
The Big Picture
You Are the Designer
5-1 Objectives of This Chapter
5-2 Spur Gear Nomenclature and Gear-Tooth Features
5-3 Forces, Torque, and Power in Gearing
5-4 Gear Manufacture
5-5 Gear Quality
5-6 Allowable Stress Numbers
5-7 Metallic Gear Materials
5-8 Stresses in Gear Teeth
5-9 Selection of Gear Material Based on Bending Stress
5-10 Pitting Resistance of Gear Teeth
5-11 Selection of Gear Material Based on Contact Stress
5-12 Design of Spur Gears
5-13 Gear Design for the Metric Module System
5-14 Computer-Aided Spur Gear Design and Analysis
5-15 Use of the Spur Gear Design Spreadsheet
5-16 Power-Transmitting Capacity
5-17 Practical Considerations for Gears and Interfaces with Other Elements
References
Problems
6 Helical Gears, Bevel Gears, and Wormgearing
7 Keys, Couplings, and Seals
8 Shaft Design
9 Rolling Contact Bearings
10 Completion of the Design of a Power Transmission
PATRⅢDesign Details and Other Machine Elements
11 Plain Surface Bearings
12 Fasteners
13 Springs
14 Machine Frames, Bolted Connections, and Welded Joints
15 Motion Control: Clutches and Brakes
16 Design Projects
Appendices
Appendix 1 Preferred Basic Sizes and Screw Threads
Appendix 2 Design Properties of Carbon and Alloy Steels
Appendix 3 Properties of Heat-Treated Steels
Appendix 4 Properties of Carburized Steels
Appendix 5 Beam-Deflection Formulas
Appendix 6 Stress Concentration Factors
Appendix 7 Conversion Factors
Appendix 8 Hardness Conversion Table
Answers to Selected Problems

本书是美国Robert L. Mott教授所著Machine Elements in Mechanical Design（Fourth Edition，2004）的缩编版。缩编者在保持原书特色和风格的前提下，根据我国机械设计课程的教学要求，删去了原书中与我国其他先修课程重复的部分内容，将原书23章缩编为16章，并将计量单位转换为公制。缩编后的内容包括：机械设计概论，带传动与链传动，齿轮传动与蜗杆传动，轴，轴联接件（键、联轴器、密封），滚动轴承，滑动轴承，紧固件，弹簧，机座，离合器与制动器，设计大作业等。
本书可作为高等学校工科机械类专业机械设计课程的双语教学教材，也可供从事机械专业的教师、研究生或工程技术人员参考。