CONTENTS
Unit 1  Engineering Materials (Ⅰ)（工程材料Ⅰ）	1
1.1  Introduction	1
1.2  Ferrous Metals and Alloys	2
1.3  Nonferrous Metals and Alloys	4
Notes	7
Glossary	9
Unit 2  Engineering Materials (Ⅱ)（工程材料Ⅱ）	10
2.1  Introduction	10
2.2  Ceramics	10
2.3  Polymers	12
2.4  Composite Materials	14
2.5  Metamaterials	15
Notes	16
Glossary	17
Unit 3  Casting（铸造）	20
3.1  Introduction	20
3.2  Sand Casting	20
3.3  Investment Casting	21
3.4  Expendable-pattern Casting	22
3.5  Centrifugal Casting	23
3.6  Inspection of Casting	24
Notes	24
Glossary	25
Unit 4  Forging and Die（锻造与模具）	27
4.1  Introduction	27
4.2  Open-die Forging	27
4.3  Impression-die and Closed-die Forging	28
4.4  Precision Forging	29
4.5  Die Manufacturing Methods	30
Notes	31
Glossary	32
Unit 5  Conventional Machining Processes（常规机械加工工艺）	33
5.1  Introduction	33
5.2  Turning and LatheTT	33
5.3  Milling and Milling MachineTT	36
5.4  Drilling and Drill PressTT	39
Notes	41
Glossary	42
Unit 6  Nontraditional Machining Processes（特种加工工艺）	45
6.1  Introduction	45
6.2  Electrical Discharge Machining (EDM)	46
6.3  Chemical Machining (CM)	46
6.4  Electrochemical Machining (ECM)	48
6.5  Laser Beam Machining (LBM)	49
6.6  Ultrasonic Machining (USM)	50
Notes	51
Glossary	53
Unit 7  High Speed Cutting (HSC)（高速切削加工）	56
7.1  Definition	56
7.2  Introduction to High Speed Cutting	56
7.3  Introduction	58
Notes	59
Glossary	60
Unit 8  Tolerances and Fits（公差与配合）	62
8.1  Introduction	62
8.2  TolerancesTT	63
8.3  FitsTT	64
8.4  ISO System of Llimits and FitsTT	65
Notes	67
Glossary	68
Unit 9  Location and Fixtures（定位与夹具）	71
9.1  Introduction	71
9.2  Adovantages of Jigs and Fixtures	71
9.3  The Location of The Workpiece	72
9.4  The Clamping of Workpiece	74
9.5  Classes of Fixtures	75
Notes	77
Glossary	78
Unit 10  Gear Transmission（齿轮传动）	81
10.1  Introduction	81
10.2  Spur Gears	81
10.3  Helical Gears	84
10.4  Bevel Gears	85
10.5  Worm Gearing	85
10.6  Gear Geometry	86
Notes	89
Glossary	89
Unit 11  Hydraulic Transmission（液压传动）	91
11.1  Introduction	91
11.2  Hydraulic Pump	92
11.3  Hydraulic Valves	93
11.4  Hydraulic Cylinder	96
11.5  Hydraulic Motor	97
Notes	98
Glossary	100
Unit 12  Direct Drive Technology（直接传动技术）	102
12.1  Introduction	102
12.2  Direct-Drive Linear (DDL) Motion	102
12.3  Direct-drive Rotary (DDR) Motors Streamline Machine Design	104
12.4  Motorized Spindle	106
Notes	107
Glossary	109
Unit 13  Numerical Control（数控技术）	111
13.1  Introduction	111
13.2  NC and CNC	111
13.3  Construction of CNC Machines	112
13.4  DNC (Distributed Numerical Control) System	114
Notes	117
Glossary	118
Unit 14  CNC Machining Centers（数控加工中心）	119
14.1  Introduction	119
14.2  The Concept of Machining Centers	120
14.3  Types of Machining Center	120
14.4  Components of a Machining Center	122
14.5  Characteristics and Capabilities of Machining Centers	125
Notes	125
Glossary	126
Unit 15  Automatic Control（自动控制技术）	129
15.1  Introduction	129
15.2  Open-Loop Control and Closed-Loop Control	129
15.3  Applications of Automatic Control	130
15.4  Artificial Intelligence in Mechatronics	132
Notes	134
Glossary	136
Unit 16  CAD/CAM（计算机辅助设计与制造）	139
16.1  Introduction	139
16.2  Geometric Modeling	139
16.3  CAD/CAM	141
16.4  Computer-Aided Process Planning	144
Notes	144
Glossary	146
Unit 17  Transducers（传感器）	147
17.1  Introduction	147
17.2  Transducer Elements	147
17.3  Analog and Digital Transducers	147
17.4  Use of Sensors in Programmable Automation	149
17.5  Some Terms	150
Notes	151
Glossary	153
Unit 18  Robots（机器人）	155
18.1  Introduction	155
18.2  Definition of Robot	155
18.3  Components of a Robot System	156
18.4  Industrial Robots	157
18.5  Medical Robots	158
18.6  Underwater Robots	159
18.7  Walking Robots	159
18.8  Humanoid Robots	160
Notes	161
Glossary	162
Unit 19  Additive Manufacturing（增材制造）	165
19.1  Introduction	165
19.2  AM Processes and Materials	166
19.3  Applications of Additive Manufacturing	169
19.4  Conclusions	171
Notes	172
Glossary	173
Unit 20  Development of Modern Manufacturing（现代制造技术的发展）	176
20.1  Introduction	176
20.2  Mechanization	177
20.3  Programmable Automation	177
20.4  Computer-aided Manufacturing	178
20.5  Flexibility	178
20.6  Remanufacturing	179
Notes	181
Glossary	182
Unit 21  IT and Manufacturing（信息技术与制造业）	184
21.1  Introduction	184
21.2  Computer-integrated Manufacturing	184
21.3  Enterprise Resource Planning (ERP) System	186
21.4  Computer-aided System (CAx)	187
Notes	188
Glossary	190
Unit 22  Manufacturing and Roles of Engineers（制造与工程师的作用）	191
22.1  Manufacturing	191
22.2  Roles of Engineers	193
Notes	194
Glossary	196
附录A  科技论文英文摘要写作要点	198
A.1  论文标题	198
A.2  摘要写作注意事项	198
A.3  典型常用语句实例	202
A.4  汉译英范文（参考）	203
附录B  麻省理工学院简介	205
B.1  原文	205
B.2  参考译文	209
附录C  机床说明书翻译样本	213
附录D  校园常用词汇	217
附录E  部分参考译文	221
第2单元  工程材料（II）	221
第3单元  铸造	225
第4单元  锻造与模具	227
第6单元  特种加工工艺	230
第11单元  液压传动	233
第20单元  现代制造技术的发展	237
第21单元  信息技术与制造业	240
参考文献	244