叶仲和、蓝兆辉、史密斯编著的这本《机械原理》为高等工科院校本科机械类专业系列丛书之一。全书共分12章，内容包括绪论、平面机构结构分析、机构运动分析、平面连杆机构、凸轮机构、齿轮机构、轮系、其它常用机构，组合机构、机械平衡、机械系统的运转及其调速、机构系统创新设计。

叶仲和、蓝兆辉、史密斯编著的这本《机械原理》是根据国家教育部制订的”高等工业学校机械原理课程教学基本要求”并结合作者多年教学和科研的成果而编写的。《机械原理》以培养学生基本设计能力和创新设计能力为目标，强化解析法和机构综合内容，反映了机构学的新成果和发展趋势：全书共十二章，包括绪论、平面机构结构分析、机构运动分析、平面连杆机构、凸轮机构、齿轮机构、轮系、其它常用机构，组合机构、机械平衡、机械系统的运转及其调速、机构系统创新设计，大部分章节均附有相当数量的思考题和练习题。为方便中国学生阅读，书末附有英中词汇对照表。

《机械原理》可作为高等工科院校本科机械类专业学生学习机械原理课程的教材及专业英语教材，也可供有关教师、学生及工程技术人员参考。

Chapter 1 Introduction

 1.1 Study Object

 1.2 Study Content

 1.3 Purpose

Chapter 2 Structural Analysis of Planar Mechanisms

 2.1 Planar Kinematic Pairs and Planar Mechanisms

 2.2 The Kinematic Diagram of a Mechanism

 2.3 Degree of Freedom of a Mechanism

 2.4 Points for Attention during the Calculation of DOF

 2.5 The Composition Principle and Structural Analysis

 Problems and Exercises

Chapter 3 Kinematic Analysis of Mechanisms

 3.1 Tasks and Methods of Kinematic Analysis

 3.2 Velocity Analysis by the Method of Instant Gentres

 3.3 Kinematic Analysis by Analytical Methods

 Problems and Exercises

Chapter 4 Planar Linkage Mechanisms

 4.1 Characteristics of Planar Linkage Mechanisms

 4.2 The Types of Four-bar Linkages

 4.3 Characteristics Analysis of Four-bar Linkages

 4.4 Dimensional Synthesis of Four-bar Linkages

 Problems and Exercises

Chapter 5 Cam Mechanisms

 5.1 Characteristics and Classification of Cam Mechanisms

 5.2 Follower Motion Curves

 5.3 Plate Cam with Translating Roller (or Knife-edge) Follower

 5.4 Plate Cam with Oscillating Roller Follower

 5.5 Plate Cam with Translating Flat-faced Follower

 *5.6 Plate Cam with Oscillating Flat-faced Follower

 Problems and Exercises

Chapter 6 Gear Mechanisms

 6.1 Types of Gear Mechanisms

 6.2 Fundamentals of Engagement of Tooth Profiles

 6.3 The Involute and Its Properties

 6.4 Standard Involute Spur Gears

 6.5 Gearing of Involute Spur Gears

 6.6 Contact Ratio of an Involute Spur Gear Set

 6.7 Manufacturing Methods of Involute Profiles

 6.8 Addendum Modification on Involute Gears

 6.9 Helical Gears for Parallel Shafts

 6.10 Worm Gearing

 6.11 Bevel Gears

 Problems and Exercises

Chapter 7 Gear Trains

 7.1 Gear Trains and Their Classification

 7.2 Train Ratio of a Gear Train with Fixed Axes

 7.3 Train Ratio of Elementary Epicyclic Gear Train

 7.4 Train Ratio of a Combined Gear Train

 7.5 Applications of Gear Trains

 7.6 Mechanical Efficiency of Planetary Gear Trains

 7.7 Tooth Numbers of Gears and Number of Planet Gears

 7.8 Introduction to Other Kinds of Planetary Gear Trains

 Problems and Exercises

Chapter 8 Other Mechanisms in Common Use

 8.1 Ratchet Mechanisms

 8.2 Geneva Mechanisms

 8.3 Cam-Type Index Mechanisms

 8.4 Universal Joints

 8.5 Screw Mechanisms

 Problems and Exercises

Chapter 9 Combined Mechanisms

 9.1 Introduction

 9.2 Methods for the Classification of Combined Mechanisms

 9.3 Series Combined Mechanisms

 9.4 Parallel Combined Mechanisms

 9.5 Compound Combined Mechanisms

 9.6 Multiple Combined Mechanisms

 9.7 Feedback Combined Mechanisms

 9.8 Mixed Combined Mechanisms

 9.9 Matters Needing Attention

 Problems and Exercises

Chapter 10 Balancing of Machinery

 10.1 Purposes and Methods of Balancing

 10.2 Balancing of Disk-like Rotors

 10.3 Balancing of Non-disk Rigid Rotors

 10.4 Unbalancing Allowance of Rotor

 Problems and Exercises

Chapter 11 Motion of Mechanical Systems and Its Regulation

 11.1 Introduction

 11.2 Motion Equation of a Mechanical System

 11.3 Solution of the Motion Equation of a Mechanical System

 11.4 Periodic Speed Fluctuation and its Regulation

 11.5 Introduction to Aperiodic Speed Fluctuation and its Regulation

 Problems and Exercises

Chapter 12 Creative Design of Mechanism Systems

 12.1 Introduction to Design of Mechanism Systems

 12.2 Creative Thinking and Creative Methods

 12.3 Kinematic Parameters of the System

 12.4 Selection of Mechanisms

 12.5 Cooperation of Working Links

 12.6 Evaluation of the Mechanism System

 12.7 Design Example of a Mechanism System

Vocabulary

References

前言