Unit 1 NC Technology 1
Lesson 1 The Benefits and Advantages of NC 1
Lesson 2 Brief Introduction to CNC 5
Lesson 3 NC Technology Development Trends 9
Reading Material 13
Unit 2 CNC Machine Tools 15
Lesson 1 The Composition of CNC Machine Tools 15
Lesson 2 Common Types of CNC Machine Tools 19
Lesson 3 Control Systems of NC Machines Tools 23
Lesson 4 Advantages and Disadvantages of CNC Machine Tools 27
Reading Material 30
Unit 3 NC Programming 32
Lesson 1 Methods of NC Programming 32
Lesson 2 Program Structure 36
Lesson 3 Coordinate System of NC 40
Lesson 4 Common Functions of NC System 44
Reading Material 47
Unit 4 CNC Lathe 50
Lesson 1 The Composition of CNC Lathes 50
Lesson 2 Conventional Fixture Types of NC Lathe 53
Lesson 3 Common Methods of Turning 57
Lesson 4 Operation Procedures of NC Lathe 60
Reading Material 63
Unit 5 Machining Center 66
Lesson 1 The Structure of Machining Center 66
Lesson 2 Cutting Tools of Machining Centers 70
Lesson 3 Milling Methods 73
Reading Material 77
Unit 6 Operations of CNC Machine Tools 78
Lesson 1 Safety Notes for CNC Machine Operations 78
Lesson 2 FANUC System Control Panel 83
Lesson 3 General Approaches to Diagnosis of CNC Machine Tool Faults 89
Lesson 4 Maintenance of Machines 93
Reading Material 95
Unit 7 CAD/CAM/ CIMS 98
Lesson 1 CAD/CAM 98
Lesson 2 CAD 102
Lesson 3 CAM 106
Lesson 4 CIMS 110
Reading Material 113
Unit 8 Nontraditional machining 115
Lesson 1 EDM 115
Lesson 2 Wire-Cut EDM 119
Reading Material 122
Unit 9 English for Job Applying 125
Lesson 1 Job Advertisement 125
Lesson 2 Resume 129
Lesson 3 Cover Letter 134
Lesson 4 Interview 138
Reading Material 141
Appendix A Translations 145
第1单元 数控技术 145
第2单元 数控机床 148
第3单元 数控编程 152
第4单元 数控车床 157
第5单元 加工中心 161
第6单元 数控机床操作 163
第7单元 CAD/CAM/ CIMS 170
第8单元 特种加工 173
第9单元 求职英语 175
Appendix B Keys 181
Unit 1 181
Unit 2 182
Unit 3 182
Unit 4 183
Unit 5 184
Unit 6 185
Unit 7 187
Unit 8 188
Unit 9 189
Appendix C List of G code and M code 193
Appendix D Vocabulary 196
Appendix E Common information of machine alarm 218
References 221
