目　录

Unit 1　Introduction to Computer Numerical Control Manufacturing　1
Reading Target　1
Text　1
Key Terms　3
New Words　3
Notes　4
Words Study　5
Language Study　7
Translation　7
Supplementary Reading　8
New Words　10
Notes　10

Unit 2　The Axis System　13
Reading Target　13
Text　13
Key Terms　14
New Words　14
Notes　15
Words Study　15
Language Study　16
Translation　17
Supplementary Reading　17
New Words　18
New Words　21
Notes　22

Unit 3　Points and Coordinates　26
Reading Target　26
Text　26
Key Terms　28
New Words　28
Notes　29
Words Study　30
Language Study　30
Translation　31
Supplementary Reading　32
Notes　33

Unit 4　Machine movements and control　36
Reading Target　36
Text　36
Key Terms　38
New Words　39
Notes　39
Words Study　40
Language Study　41
Translation　42
Supplementary Reading　43
New Words　44
Notes　45

Unit 5　Mathematics for CNC Programming　47
Reading Target　47
Text　47
Key Terms　48
New Words　49
Notes　49
Words Study　49
Language Study　50
Translation　51
Supplementary Reading　51
New Words　52
Notes　52

Unit 6　Tooling for CNC　53
Reading Target　53
Text　53
Key Terms　55
New Words　56
Notes　56
Words Study　56
Language Study　57
Translation　58
Supplementary Reading　59
New Words　60
Notes　61

Unit 7　Program Planning　63
Reading Target　63
Text　63
Key Terms　64
New Words　64
Notes　65
Words Study　66
Language Study　67
Translation　67
Supplementary Reading　68
New Words　69
Notes　70

Unit 8　Word Address Programming　73
Reading Target　73
Text　73
Key Terms　74
New Words　75
Notes　75
Words Study　75
Language Study　76
Translation　77
Supplementary Reading　78
New Words　79
Notes　80

Unit 9　Basic Programming　82
Reading Target　82
Text　82
Key Terms　84
New Words　84
Notes　84
Words Study　85
Language Study　85
Translation　86
Supplementary Reading　87
New Words　88
Notes　89

Unit 10　Program Flow　92
Reading Target　92
Text　92
Key Terms　93
New Words　94
Notes　94
Words Study　95
Language Study　95
Translation　96
Supplementary Reading　97
New Words　98
Notes　98

Unit 11　Tool Length Offsets and Zero Presets　101
Reading Target　101
Text　101
Key Terms　102
New Words　102
Notes　103
Words Study　104
Language Study　104
Translation　105
Supplementary Reading　106
New Words　107
Notes　107

Unit 12　Tool Radius Compensation　109
Reading Target　109
Text　109
Key Terms　110
New Words　111
Notes　111
Words Study　112
Language Study　113
Translation　113
Supplementary Reading　114
New Words　116
Notes　116

Unit 13　CAD and CAM　120
Reading Target　120
Text　120
Key Terms　121
New Words　121
Notes　122
Words Study　123
Language Study　124
Translation　125
Supplementary Reading　125
Key Terms　127
New Words　127
Notes　127

Unit 14　Beyond CNC Machining　129
Reading Target　129
Text　129
Key Terms　130
New Words　131
Notes　131
Words Study　132
Language Study　133
Translation　134
Supplementary Reading　135
New Words　135
Notes　136

Vocabulary　138
参考文献　154