This textbook is written according to “The Basic Teaching Requirements for the Course of Mechanisms and Machine Theory in Advanced Industrial Colleges”drawn up by the National Ministry of Education.It contains the authors results on teaching and scientific research during recent years.It aims at cultivating students' basic design ability and creative ability in design.Analytical methods and synthesis of mechanisms are emphasized.This textbook reflects new achievements and developments current in mechanism study.Altogether there are twelve chapters:Introduction,Structural Analysis of Planar Mechanisms,Kinematic Analysis of Mechanisms,Planar Linkage Mechanisms,Cam Mechanisms,Gear Mechanisms,Gear Trains,Other Mechanisms in Common Use,Combined Mechanisms,Balancing of Machinery,Motion of Mechanical Systems and Its Regulation,Creative Design of Mechanism Systems.At the end of most chapters,many thinking problems and exercises are enclosed.To help Chinese students to read the text,an EnglishChinese vocabulary is ppended.
This book can be used as a textbook for the course of Mechanisms and Machine Theory or that of speciality English for undergraduates specializing in machinery in advanced engineering universities.It can also be used as a reference book for related teachers,students and engineering technicians.
- 前辅文
- 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 Centres
- 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
