机电专业英语PDF电子书下载

Unit 1　Fundamentals of Machine Manufacturing 1

Dialogue Making Introductions 1

Text 1　What Is Manufacturing? 2

Text 2　Metals and Their Properties 4

Grammar　Characteristics of Scientific English(Ⅰ) 7

Reading Material　Mechanism 10

Unit 2 Machine Tools 11

Dialogue　Making Requests 11

Text 1　The Lathe 11

Text 2　Milling Machine and Planer 14

Grammar　Characteristics of Scientific English(Ⅱ) 19

Reading Material　Control of Horizontal Milling Machines 21

Unit 3　Machining Technology 23

Dialogue　Shopping 23

Text 1　Fundamentals of Chip-type Machining Process 23

Text 2　Cutting Tools 26

Grammar　Usage of"It" 30

Reading Material　Machine Tool Motions 33

Unit 4　CNC System 35

Dialogue　Asking the Way 35

Text 1　Automatical Control of Machining Tool Movements 35

Text 2　An Overview of a CNC System 38

Grammar　The Attributive Clause(Ⅰ) 42

Reading Material　Servomechanisms 44

Unit 5　NC Programming 45

Dialogue　Expressing Likes and Dislikes 45

Text 1　The Cartesian Coordinate System 45

Text 2　Preparatory Codes and Miscellaneous Codes 48

Grammar　The Attributive Clause(Ⅱ) 52

Reading Material　Word Address Format 55

Unit 6　NC Machine Operation and Safety 57

Dialogue　Expressing Worry 57

Text 1　FANUC Series 15M Operator's Manual 57

Text 2　The Keyboard Explanation of CNC Lathe 61

Grammar　The Attributive Clause(Ⅲ) 67

Reading Material　Safety Rules for Operating Machines and Programmers 69

Unit 7　Maintenance and Troubleshooting of CNC Machine 71

Dialogue　Inquiring the Phone Number 71

Text 1　Maintenance for a Horizontal MC 71

Text 2　Troubleshooting 75

Grammar　The Attributive Clause(Ⅳ) 79

Reading Material　Employment Opportunities in Numerical Control 84

Unit 8　Computers in Manufacturing 87

Dialogue　Expressing Certainty 87

Text 1　CAD versus CAM 87

Text 2　Computer Integrated Manufacturing(CIM) 89

Grammar　Gerund 92

Reading Material　Operational Strategies within CIM 93

Unit 9　Advanced Manufacturing Technology(Ⅰ) 95

Dialogue　Birthday Party 95

Text 1　Flexible Manufacturing System 95

Text 2　Machining Cells 97

Grammar　Participle 100

Reading Material　Machining Center and Tool Changes 102

Unit 10　Advanced Manufacturing Technology(Ⅱ) 105

Dialogue　Dining 105

Text 1　What is "Mechatronics"? 105

Text 2　Future Factory—a Reality 108

Grammar　Infinitive 110

Reading Material　What Is Robot? 113

Appendix 115

Key to Exercises 115

Vocabulary 119

英文机械图样用语 132