杨宏主编的《机电一体化及数控专业英语(机电类第2版)》按模块式结构的方式进行篇章的组织，总体分为基础模块、机电一体化模块、数控技术模块及应用写作模块。这些模块既彼此独立又相互联系，相辅相成。本教材在内容的安排上充分体现了现代社会对专业英语教材广泛性、灵活性与实用性的客观要求。这种灵活而实用的编写方式使本教材适合机电工程类多个方向专业英语的教学需要。本书特别适合于高等职业院校机械设计与制造、机电一体化、数控技术与模具技术等专业使用，同时也适合成人高校学生以及相关专业人员自学使用。

杨宏主编的《机电一体化及数控专业英语(机电类第2版)》是针对高职院校机电一体化和数控专业而编写的专业英语教材，内容包括基础模块、机电一体化模块、数控技术模块及应用写作模块。书中的每个教学单元分为课文和阅读材料两个部分，其中，课文部分中的Text 1侧重于基础知识，Text 2侧重于实践与实验知识，Text 3、Text 4侧重于教学知识的拓展。每个教学单元都配有针对性的练习，书末附有参考译文及参考答案。本书在材料选取上十分注重体现教材内容的广泛性、灵活性和实用性，且在编写上把易于教学、讲究实效放在首位。

《机电一体化及数控专业英语(机电类第2版)》适合于高等职业院校机械设计与制造、机电一体化、数控技术与模具技术等专业作为教材使用，同时也适合成人高校学生以及相关专业人员自学使用。

Unit 1 Basic Knowledge(I) 1

 Text 1 Lathe and Turning 1

 Text 2 Vitrified Bond & Vitrified Grinding Wheel 3

 Text 3 Integrated Circuit 5

 Text 4 Heat Treatment of Steel 6

 Exercises to the text 9

 Reading Material 9

1-1 Cutting Processes and Tools 9

1-2 Properties & Selection of Materials 10

1-3 Computers 11

1-4 Tapping Tools and Tapping 11

 Exercises to the material 12

 Practical Skill 13

Unit 2 Basic Knowledge(Ⅱ) 15

 Text 1 Circuit 15

 Text 2 The Construction and Components of a Typical Electric Motor 16

 Text 3 DC Motors 18

 Text 4 Transformers 20

 Exercises to the text 23

 Reading Material 23

2-1 Circuit Diagram 23

2-2 Electric Motors 24

2-3 Stepper Motor 25

2-4 Electrical Circuit of Electronic Photo Flash 25

 Exercises to the material 26

 Practical Skill 27

Unit 3 CAD and General Knowledge of Drafting 31

 Text 1 Computer-Aided Design 31

 Text 2 Engineering Graphics 33

 Text 3 Solid Modeling 36

 Text 4 Dimension Tolerances of Parts 38

 Exercises to the text 40

 Reading Material 41

3-1 The Importance of Sketches 41

3-2 Form of Three-view Drawings 41

3-3 The User Interface of AutoCAD 2004 System 42

3-4 To draw the teeth of a Spur Gear 44

 Exercises to the material 44

 Practical Skill 45

Unit 4 Mechanical Design and Machine Parts 49

 Text 1 What Is “Mechanical Design”? 49

 Text 2 Spur Gears 51

 Text 3 Ball Bearings 54

 Text 4 Introduction to HY electric multi-way valve 56

 Exercises to the text 58

 Reading Material 59

4-1 Introduction to Machine Design and Elements 59

4-2 V Belts and Couplings 59

4-3 Keys and Pins 60

4-4 The Mechanical Design Process 61

 Exercises to the material 62

 Practical Skill 62

Unit 5 Mechatronics(Ⅰ) 65

 Text 1 What Is “Mechatronics”? 65

 Text 2 A Brief Introduction 67

 Text 3 Digital Optical Encoder 69

 Text 4 Touch Screens 71

 Exercises to the text 73

 Reading Material 74

5-1 Introduction to Sensors and Transducers 74

5-2 Resistive Tactile Sensor 75

5-3 Logic Gates 75

5-4 Resistive Tactile Sensor 75

 Exercises to the material 76

 Practical Skill 76

Unit 6 Mechatronics(Ⅱ) 78

 Text 1 Programmable Logic Controllers 78

 Text 2 Temperature Control 80

 Text 3 Open-Loop Control and Closed-Loop Control 81

 Text 4 MCS-51 Memory Structure 83

 Exercises to the text 85

 Reading Material 85

6-1 PLC System Overview 85

6-2 Chips 86

6-3 Structure of Supervisory Control System 87

6-4 Optical Fibers and Fiber Optic Sensing 87

 Exercises to the material 88

 Practical Skill 89

Unit 7 Mechatronics(Ⅲ) 91

 Text 1 Robots 91

 Text 2 List of Various Mechatronic Systems 92

 Text 3 Bar Code Scanners 94

 Text 4 Remote-reading Shaft-revolution Counter and Radio Telemetry 95

 Exercises to the text 97

 Reading Material 98

7-1 Levitation Principle of Maglev 98

7-2 List of Mechatronic Systems for Industrial Use 99

7-3 Monitoring System for a Machine Tool 99

7-4 Control Subsystem of a Robot 100

 Exercises to the material 101

 Practical Skill 101

Unit 8 CNC Machine and NC Programming(Ⅰ) 103

 Text 1 CNC and CNC Machine Tools 103

 Text 2 Product Directions of Component Parts 104

 Text 3 Company Brief Introduction 107

 Text 4 Wire Electrical Discharge Machining 108

 Exercises to the text 111

 Reading Material 112

8-1 Principles of NC Machines 112

8-2 Preparatory Functions (G Codes) 114

8-3 On-line Inspection System 115

8-4 M Codes and M06 Code 116

 Exercises to the material 117

 Practical Skill 117

Unit 9 CNC Machine and NC Programming(Ⅱ) 119

 Text 1 Common Types of CNC Machine Tools 119

 Text 2 Writing an NC Part Program 121

 Text 3 CNC Safety 124

 Text 4 Program and Machine Control Unit for CNC Machine 125

 Exercises to the text 127

 Reading Material 128

9-1 VMC & HMC 128

9-2 Automatic Tool Changer 129

9-3 Just-in-time Production 130

9-4 F Code and S Code 130

 Exercises to the material 131

 Practical Skill 131

Unit 10 CNC Machine and NC Programming(Ⅲ) 133

 Text 1 CAD/CAM 133

 Text 2 Scope of CAD/CAM 134

 Text 3 Computer-integrated Manufacturing 136

 Text 4 What is A Flexible Manufacturing System? 137

 Exercises to the text 139

 Reading Material 140

10-1 CAD/CAM Software 140

10-2 Geometry vs. Toolpath 141

10-3 CAD/CAM Modules 142

10-4 FMS Applications 142

 Exercises to the material 143

 Practical Skill 144

Unit 11 English for Job Applying 146

 Text 1 Advertisement 146

 Text 2 Cover Letters 147

 Text 3 Resume 150

 Text 4 Interview 151

 Exercises to the text 153

 Reading Material 154

11-1 Job Advertisements 154

11-2 Job Interview 155

11-3 Student’s Academic Transcript 155

11-4 Electrical & Mechanical Installation Supervision 156

Exercises to the material 157

Practical Skill 157

参考译文及参考答案 159

参考文献 191