本教材由六部分组成，即机械工程基础、机械设计技术、机械制造技术、机电一体化技术、拓展阅读和科技英语翻译与写作。前四部分作为教材主体内容，各包含10个单元，每个单元设置课文、专业术语、注释和练习四个板块。拓展阅读部分收录了8篇阅读材料。科技英语翻译与写作部分系统介绍科技英语特点、翻译技巧及英语科技论文写作规范等。书末附有专业术语总表和科技英语常用词缀表，以便于读者查阅。

PARTⅠ Mechanical Engineering Basics（机械工程基础） Unit 1 Mechanical Engineering and Mechanical Engineers 2 1.1 Mechanical Engineering 2 1.2 Mechanical Engineers 3 Terminology 4 Notes 5 Exercises 6 Unit 2 Basic Concepts and Definitions in Mechanical Engineering 8 2.1 Kinematics and Kinematic Design 8 2.2 Machines and Mechanisms 9 2.3 Some Terms Used in Mechanics 10 Terminology 11 Notes 11 Exercises 12 Unit 3 Force and Moment of a Force 14 3.1 Forces and Resultants 14 3.2 Moment of a Force and Moment Components 15 Terminology 17 Notes 17 Exercises 18 Unit 4 Tension, Compression, and Shear 20 4.1 Tension and Compression 20 4.2 Shear 22 Terminology 23 Notes 24 Exercises 25 Unit 5 Mechanical Properties and Their Measurements 27 5.1 Strength and Its Measurement 27 5.2 Hardness and Its Measurement 28 5.3 Ductility and Its Measurement 29 5.4 Toughness and Its Measurement 29 Terminology 30 Notes 31 Exercises 32 Unit 6 Engineering Materials 33 6.1 Iron 34 6.2 Plain Carbon Steels 34 6.3 Alloy Steels 35 Terminology 36 Notes 37 Exercises 38 Unit 7 Material Selection and Material Substitution 40 7.1 Material Selection for Products 40 7.2 Material Substitution 41 Terminology 42 Notes 43 Exercises 44 Unit 8 Heat Treatment of Metals 46 8.1 Hardening 47 8.2 Tempering 47 8.3 Annealing and Normalizing 47 8.4 Case Hardening 48 Terminology 49 Notes 50 Exercises 52 Unit 9 MATLAB and Its Application in Mechanical Engineering 53 9.1 Introduction to MATLAB 53 9.2 Advantages of MATLAB for Technical Programming 53 9.3 Starting MATLAB 54 9.4 MATLAB Application in Mechanical Engineering 55 Terminology 57 Notes 57 Exercises 58 Unit 10 Patents in Mechanical Engineering 60 10.1 Introduction to Patent 60 10.2 Types of Patents 61 10.3 Patent Application 61 10.4 Patent Searching 62 Terminology 62 Notes 63 Exercises 64 PARTⅡ Mechanical Design Technology（机械设计技术） Unit 11 Bearings 68 11.1 Introduction to Bearings 68 11.2 Ball Bearings 68 11.3 Roller Bearings 69 Terminology 70 Notes 71 Exercises 72 Unit 12 Gears 74 12.1 Introduction to Gears 74 12.2 Spur Gears 75 12.3 Rack and Pinion 75 12.4 Bevel Gears 76 12.5 Helical Gears 76 Terminology 77 Notes 78 Exercises 79 Unit 13 Keys and Couplings 80 13.1 Keys 80 13.2 Couplings 81 Terminology 83 Notes 84 Exercises 85 Unit 14 Chain and Belt Drives 86 14.1 Chain Drives 86 14.2 Belt Drives 87 14.2.1 V Belts 87 14.2.2 Flat Belts 88 14.2.3 Synchronous Belts 88 Terminology 89 Notes 89 Exercises 90 Unit 15 Harmonic Gear Drive 92 15.1 Invention of Harmonic Gear Drive 92 15.2 Composition of Harmonic Gear Drive 92 15.3 Drive Principle of Harmonic Gear Drive 93 15.4 Characteristics of Harmonic Gear Drive 94 Terminology 95 Notes 95 Exercises 96 Unit 16 Synchronous Belt 98 16.1 Synchronous Motion 98 16.2 Examples of Synchronous-Belt and Pulley Systems 98 16.3 Terminology and Basic Relationships 100 16.4 Synchronous-Belt Applications 100 Terminology 102 Notes 102 Exercises 103 Unit 17 CAD 105 17.1 Introduction to CAD 105 17.2 Elements of CAD Systems 106 17.3 Models in a CAD System 106 Terminology 108 Notes 109 Exercises 110 Unit 18 Design for Reliability 111 18.1 Failure 111 18.2 Definition of Reliability 112 18.3 Series Reliability and Parallel Reliability 113 Terminology 114 Notes 115 Exercises 116 Unit 19 Green Design 117 19.1 What is Green Design? 117 19.2 Guidelines for Green Design 118 Terminology 119 Notes 119 Exercises 120 Unit 20 High-Level Design Procedure 122 20.1 A Broad Understanding of Design 122 20.2 Mechanical Design Procedure 123 Terminology 125 Notes 125 Exercises 126 PARTⅢ Mechanical Manufacturing Technology（机械制造技术） Unit 21 Manufacturing Processes 130 21.1 Casting Processes 131 21.2 Forming Processes 131 21.3 Welding Processes 132 21.4 Material Removal Processes 132 Terminology 133 Notes 134 Exercises 134 Unit 22 Lathes 136 22.1 Lathe Components 136 22.2 Lathe Specifications 137 22.3 Lathe Operations 138 22.4 Computer-Controlled Lathes 138 Terminology 139 Notes 140 Exercises 141 Unit 23 Drilling and Milling Machines 143 23.1 Drilling Machines 143 23.2 Milling Machines 144 23.2.1 Column-and-Knee-Type Milling Machines 145 23.2.2 Bed-Type Milling Machines 145 23.2.3 Other Types of Milling Machines 146 Terminology 146 Notes 147 Exercises 147 Unit 24 CNC Machine Tools 149 24.1 Conventional Machine Tools and CNC Machine Tools 149 24.2 Movement Control of CNC Machine Tools 150 24.3 Construction of CNC Machine Tools 150 24.4 CNC and NC 151 24.5 Working Principle of CNC Machine Tools 151 Terminology 152 Notes 153 Exercises 153 Unit 25 Machining Centers 155 25.1 Concept of Machining Centers 155 25.2 Components of a Machining Center 156 25.3 Types of Machining Centers 157 25.3.1 Vertical-Spindle Machining Centers 157 25.3.2 Horizontal-Spindle Machining Centers 158 Terminology 159 Notes 159 Exercises 160 Unit 26 Flexible Manufacturing Systems 162 26.1 Introduction of FMS 162 26.2 Characteristics of FMS and Comparison with Transfer Lines 163 26.3 Basic Elements of FMS 164 26.4 Implementation of FMS 164 Terminology 165 Notes 165 Exercises 166 Unit 27 Industrial Robot 168 27.1 Introduction to Industrial Robot 168 27.2 Robot Components 168 27.3 Applications of Robots 170 Terminology 171 Notes 171 Exercises 172 Unit 28 Computer-Aided Manufacturing 174 28.1 CAM and CAD/CAM 174 28.2 CAD/CAM Applications 175 28.3 CAD/CAM Process 175 28.4 CAD/CAM Software 175 Terminology 176 Notes 177 Exercises 178 Unit 29 Computer-Integrated Manufacturing 180 29.1 CIM Definition 180 29.2 CIM Subsystems and Their Functions 180 29.3 Database 182 Terminology 182 Notes 183 Exercises 184 Unit 30 Rapid-Prototyping Operations 185 30.1 Introduction to Rapid Prototyping 185 30.2 Advantages of Rapid Prototyping 186 30.3 Classifications of Rapid Prototyping 186 30.3.1 Subtractive Processes 187 30.3.2 Additive Processes 187 30.3.3 Virtual Prototyping 187 Terminology 187 Notes 188 Exercises 189 PARTⅣ Mechatronics Technology（机电一体化技术） Unit 31 Mechatronics 192 31.1 Mechatronics and Mechatronic Systems 192 31.2 Key Elements of Mechatronic Systems 193 Terminology 195 Notes 196 Exercises 197 Unit 32 Mechatronic Methodology in Intelligent Manufacturing 199 32.1 Sensor-Based Manufacturing 199 32.2 Intelligent Inspection and Supervisory Control Systems 199 32.3 Model-Based Monitoring Systems 200 32.4 Important Technologies 202 Terminology 202 Notes 203 Exercises 203 Unit 33 Electrical Actuators 205 33.1 Classification of Electric Motors 205 33.2 Direct Current Motor 206 33.3 Brushless DC Motor 206 33.4 AC Motor 206 33.5 Stepper Motor 207 Terminology 208 Notes 209 Exercises 210 Unit 34 Sensor Technology 212 34.1 Sensor Definition 212 34.2 Sensor Classification 213 34.3 Smart Sensor 214 Terminology 214 Notes 215 Exercises 215 Unit 35 Piezoelectric Sensor and Actuator 217 35.1 Piezoelectric Sensor 217 35.2 Piezoelectric Actuator 219 Terminology 220 Notes 221 Exercises 222 Unit 36 PLC 223 36.1 Introduction to PLC 223 36.2 Capacity of Industrial PLCs 223 36.3 Elements of a PLC 224 36.4 Programming Languages 224 36.5 Advantages of PLCs over Relay Cabinets 225 Terminology 226 Notes 226 Exercises 227 Unit 37 Artificial Intelligence 228 37.1 Expert Systems 228 37.2 Machine Vision 229 37.3 Artificial Neural Networks 230 37.4 Fuzzy Logic 230 Terminology 231 Notes 231 Exercises 232 Unit 38 Fuzzy Logic 234 38.1 Fuzzy Logic Systems 234 38.2 When to Think Fuzzy 235 38.3 What is Fuzzy Control? 235 38.3.1 Fuzzy Sets 235 38.3.2 Membership Function 236 38.3.3 Production Rules 236 Terminology 237 Notes 237 Exercises 238 Unit 39 Machine Vision 240 39.1 Three Basic Functions Related to Machine Vision 240 39.2 Applications of Machine Vision 241 Terminology 243 Notes 243 Exercises 245 Unit 40 3D Printers 246 40.1 Filament Printers 246 40.2 Parts of a Filament Printer 247 40.2.1 Stepper Motors 247 40.2.2 Control 247 40.2.3 3D Printer Controllers 248 40.2.4 Build Platform 248 40.2.5 Extruder 248 Terminology 248 Notes 249 Exercises 250 PARTⅤ Extended Reading（拓展阅读） Reading Material 1 Lighthouse Factory 254 Terminology 256 Reading Material 2 New Energy Vehicles 257 Terminology 258 Reading Material 3 Finite Element Method 260 Terminology 261 Reading Material 4 ROS 263 Terminology 265 Reading Material 5 Nanomanufacturing 266 Terminology 268 Reading Material 6 4D Printing 269 Terminology 271 Reading Material 7 Coordinate Measuring Machine 273 Terminology 275 Reading Material 8 LabVIEW and Virtual Instrument 276 Terminology 278 PARTⅥ Translation and Writing of Scientific and Technical English（科技英语翻译与写作） TW1 Characteristics of Scientific and Technical English（科技英语的特点） 280 TW1.1 Lexical Characteristics（词汇特点） 280 TW1.2 Grammatical Characteristics（语法特点） 281 TW1.3 Rhetorical Characteristics（修辞特点） 282 TW2 Translation Standards and Processes for Scientific and Technical English（科技英语翻译的标准和过程） 284 TW2.1 Translation Standards（翻译的标准） 284 TW2.2 Translation Process（翻译的过程） 284 TW3 Translation Methods and Techniques of Scientific and Technical English（科技英语常用翻译方法与技巧） 286 TW3.1 Literal Translation（直译） 286 TW3.2 Semantic Extension （词义引申） 286 TW3.3 Part-of-Speech Conversion（词类转换） 287 TW3.4 Conversion of Sentence Components（句子成分转换） 288 TW3.5 Supplementary Translation（增补译法） 289 TW3.6 Omission in Translation（省略译法） 291 TW4 Translation of Passive Voice in Scientific and Technical English（科技英语中被动语态的翻译处理） 293 TW4.1 Translating as Active Voice（译成主动句） 293 TW4.2 Preserving the Passive Voice（译成被动句） 294 TW5 Translation of Long Sentences in Scientific and Technical English（科技英语中长句的翻译处理） 295 TW5.1 Word-Order-Retained Translation（顺译法） 295 TW5.2 Word-Order-Reversed Translation（倒译法） 296 TW5.3 Word-Order-Changed Translation（变序法） 296 TW5.4 Outline-Based Translation（提纲法） 296 TW6 Scientific and Technical Paper Writing in English（英语科技论文写作指南） 297 TW6.1 Structure of English Scientific and Technical Papers（英语科技论文的结构） 297 TW6.2 Title Writing（标题的写作） 298 TW6.3 Abstract Writing（摘要的写作） 300 TW6.4 Keyword Writing（关键词的写作） 304 TW6.5 Main Text Writing（正文的写作） 305 TW6.6 Conclusion Writing（结论的写作） 307 TW6.7 Acknowledgment Writing（致谢的写作） 307 Appendix 309 Appendix A Terminology Glossary（专业术语总表） 309 Appendix B Common Affixes in Scientific and Technical English（科技英语常用词缀表） 309 Appendix C Analysis of Difficult Words & Phrases in the Text（文中难点词汇与短语解析） 309 References 310