Unit 1 Engineering Materials（Ⅰ）（工程材料Ⅰ） 1
1.1 Introduction 1
1.2 Ferrous Metals and Alloys 3
1.3 Nonferrous Metals and Alloys 5
Notes 8
Glossary 10
Unit 2 Engineering Materials（Ⅱ）（工程材料Ⅱ） 12
2.1 Introduction 12
2.2 Ceramics 12
2.3 Polymers 15
2.4 Composite Materials 17
Notes 18
Glossary 20
Unit 3 Casting（铸造） 22
3.1 Introduction 22
3.2 Sand Casting 22
3.3 Investment Casting 24
3.4 Expandable-pattern Casting 25
3.5 Centrifugal Casting 25
3.6 Inspection of Casting 27
Notes 27
Glossary 28
Unit 4 Forging and Die（锻造与模具） 30
4.1 Introduction 30
4.2 Open-die Forging 31
4.3 Impression-die and Closed-die Forging 31
4.4 Precision Forging 32
4.5 Die Manufacturing Methods 33
Notes 35
Glossary 36
Unit 5 Conventional Machining Processes（常规机械加工工艺） 38
5.1 Introduction 38
5.2 Turning and Lathe 38
5.3 Milling and Milling Machine 41
5.4 Drilling and Drill Press 45
Notes 47
Glossary 48
Unit 6 Nontraditional Machining Processes（特种加工技术） 52
6.1 Introduction 52
6.2 Electrical Discharge Machining(EDM) 53
6.3 Chemical Machining(CM) 54
6.4 Electrochemical Machining(ECM) 55
6.5 Laser Beam Machining(LBM) 57
6.6 Ultrasonic Machining(USM) 58
Notes 59
Glossary 61
Unit 7 Tolerances and Fits（公差与配合） 65
7.1 Introduction 65
7.2 Tolerances 66
7.3 Fits 68
7.4 ISO System of Llimits and Fits 69
Notes 71
Glossary 72
Unit 8 Location and Fixtures（定位与夹具） 75
8.1 Introduction 75
8.2 Advantages of Jigs and Fixtures 75
8.3 The Location of The Workpiece 76
8.4 The Clamping of Workpiece 78
8.5 Classes of Fixtures 79
Notes 82
Glossary 83
Unit 9 Gear Transmission（齿轮传动） 87
9.1 Introduction 87
9.2 Spur Gears 87
9.3 Helical Gears 90
9.4 Bevel Gears 91
9.5 Worm Gearing 92
9.6 Gear Geometry 93
Notes 96
Glossary 96
Unit 10 Hydraulic Transmission（液压传动） 99
10.1 Introduction 99
10.2 Hydraulic Pump 100
10.3 Hydraulic Valves 102
10.4 Hydraulic Cylinder 104
10.5 Hydraulic Motor 105
Notes 107
Glossary 109
Unit 11 Direct Drive Technology（直接传动技术） 112
11.1 Introduction 112
11.2 Direct-Drive Linear(DDL)Motion 112
11.3 Direct-drive Rotary(DDR)Motors Streamline Machine Design 114
11.4 Motorized Spindle 116
Notes 117
Glossary 119
Unit 12 Numerical Control（数控技术） 121
12.1 Introduction 121
12.2 NC and CNC 121
12.3 Construction of CNC Machines 122
12.4 DNC(Distributed Numerical Control）System 125
Notes 128
Glossary 129
Unit 13 CNC Machining Centers（数控加工中心） 131
13.1 Introduction 131
13.2 The Concept of Machining Centers 132
13.3 Types of Machining Center 133
13.4 Components of a Machining Center 134
13.5 Characteristics and Capabilities of Machining Centers 137
Notes 138
Glossary 138
Unit 14 Automatic Control（自动控制技术） 141
14.1 Introduction 141
14.2 Open-Loop Control and Closed-Loop Control 141
14.3 Applications of Automatic Control 143
14.4 Artificial Intelligence in Mechatronics 144
Notes 147
Glossary 149
Unit 15 CAD/CAM（计算机辅助设计与制造） 152
15.1 Introduction 152
15.2 Geometric Modeling 152
15.3 CAD/CAM 154
15.4 Computer-Aided Process Planning 157
Notes 158
Glossary 160
Unit 16 Transducers（传感器） 162
16.1 Introduction 162
16.2 Transducer Elements 162
16.3 Analog and Digital Transducers 162
16.4 Use of Sensors in Programmable Automation 164
16.5 Some Terms 166
Notes 167
Glossary 169
Unit 17 Robots（机器人） 171
17.1 Introduction 171
17.2 Definition of Robot 171
17.3 Components of a Robot System 172
17.4 Industrial Robots 173
17.5 Medical Robots 175
17.6 Underwater Robots 175
17.7 Walking Robots 176
17.8 Humanoid Robots 176
Notes 177
Glossary 179
Unit 18 Development of Modern Manufacturing（制造业的发展） 182
18.1 Introduction 182
18.2 Mechanization 183
18.3 Programmable Automation 183
18.4 Computer-aided Manufacturing 184
18.5 Flexibility 184
18.6 Remanufacturing 186
Notes 187
Glossary 189
Unit 19 IT and Manufacturing（信息技术与制造） 191
19.1 Introduction 191
19.2 Computer-integrated Manufacturing 191
19.3 Enterprise Resource Planning(ERP)System 194
19.4 Computer-aided System(CAx) 194
Notes 196
Glossary 197
Unit 20 Manufacturing and Roles of Engineers（制造与工程师的作用） 199
20.1 Manufacturing 199
20.2 Roles of Engineers 202
Notes 203
Glossary 205
Appendix A Abstract Writing for Scientific Papers（科技论文英文摘要写作要点） 209
Appendix B Introduction to MIT（麻省理工学院简介） 216
Appendix C Machine Tool Instructions（机床说明书翻译样本） 225
Appendix D Campus Vocabulary（校园常用词汇） 230
References（参考文献） 234