机械工程专业英语PDF电子书下载

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