本书共15篇，较为系统地介绍了数控编程方面的知识，主要内容有：G代码、插补功能、进给功能、参考点、坐标系、主轴功能、刀具功能、辅助功能、固定循环、刀补功能、用户宏程序等。希望读者通过对本书的学习，既可以学会编写数控加工程序的方法，又可以提高英语水平。

本书的编写特点是：根据数控编程知识的逻辑关系编排章节，循序渐进，条理清晰；通过英语来学习专业知识，一举两得。书中还附有生词表和难句解释，以帮助读者理解课文。

本书可作为高职高专院校数控机床及应用类专业的教材，也可作为工程技术人员和数控机床操作人员的参考书。

本书共15篇，较为系统地介绍了数控编程方面的知识，主要内容有：G代码、插补功能、进给功能、参考点、坐标系、主轴功能、刀具功能、辅助功能、固定循环、刀补功能、用户宏程序等。希望读者通过对本书的学习，既可以学会编写数控加工程序的方法，又可以提高英语水平。

1 GENERAL

1.1 TOOL MOVEMENT ALONG WORKPIECE PARTS FIGURE- INTERPOLATION

1.2 FEED FUNCTION

1.3 PART DRAWING AND TOOL MOVEMENT

1.4 CUTTING SPEED- SPINDLE SPEED FUNCTION

1.5 SELECTION OF TOOL USED FOR VARIOUS MACHINING- TOOL FUNCTION

1.6 COMMAND FOR MACHINE OPERATIONS- MISCELLANEOUS FUNCTION

1.7 PROGRAM CONFIGURATION

1.8 TOOL FIGURE AND TOOL MOTION BY PROGRAM

1.9 TOOL MOVEMENT RANGE- STROKE

2 CONTROLLED AXES

2.1 AXIS NAME

2.2 INCREMENT SYSTEM 

3 PREPARATORY FUNCTION ( G FUNCTION)

4 INTERPOLATION FUNCTIONS

4.1 POSITIONING(G00)

4.2 LINEAR INTERPOLATION(GOD

4.3 CIRCULAR INTERPOLATION(G02, G03)

4.4 HELICAL INTERPOLATION(G02, G03)

4.5 HYPOTHETICAL AXIS INTERPOLATION(GOT)

4.6 THREAD CUTTING(G33)

5 FEED FUNCTIONS

5.1 GENERAL

5.2 RAPID TRAVERSE

5.3 CUTTING FEED

5.4 DWELL(G04)

6 REFERENCE POSITION

7 COORDINATE SYSTEM

7.1 MACHINE COORDINATE SYSTEM

7.2 WORKPIECE COORDINATE SYSTEM

7.3 LOCAL COORDINATE SYSTEM

7.4 PLANE SELECTION

8 COORDINATE VALUE AND DIMENSION

8.1 ABSOLUTE AND INCREMENTAL PROGRAMMING(Gg0, G91)

8.2 POLAR COORDINATE COMMAND(G15, G16)

8.3 INCH/METRIC CONVERSION(G20, G21)

8.4 DECIMAL POING PROGRAMMING

9 SPINDLE SPEED FUNCTION { S FUNCTION)

9.1 SPECIFYING THE SPINDLE SPEED WITH A CODE

9.2 SPECIFYING THE SPINDLE SPEED VALUE DIRECTLY(S5 - DIGIT COMMAND)

9.3 CONSTANT SURFACE SPEED CONTROL(G96, G97)

9.4 SPINDLE SPEED FLUCTUATION DETECTION FUNCTION(G25, G26)

10 TOOL FUNCTION {T FUNCTION)

10.1 TOOL SELECTION FUNCTION

10.2 TOOL LIFE MANAGEMENT FUNCTION

11 AUXILIARY FUNCTION

11.1 AUXILIARY FUNCTION(M FUNCTION)

11.2 MULTIPLE M COMMANDS IN A SINGLE BLOCK

11.3 M CODE GROUP CHECK FUNCTION

11.4 THE SECOND AUXILIARY FUNCTIONS(B CODES)

12 PROGRAM CONFIGULATION

12.1 PROGRAM COMPONENTS OTHER THAN PROGRAM SECTIONS

12.2 PROGRAM SECTION CONFIGURATION

12.3 SUBPROGRAM

13 FUNCTIONS TO SIMPLIFY PROGRAMMING

13.1 CANNED CYCLE

13.2 RIGID TAPPING

14 COMPENSATION FUNCTION

14.1 TOOL LENGTH OFFSET(G43, G44, G49)

14.2 AUTOMATIC TOOL LENGTH MEASUREMENT(G37)

14.3 TOOL OFFSET(G45 - G48)

14.4 CUTTER COMPENSATION B (G39 - G42)

14.5 OVERVIEW OF CUTTER COMPENSATION C (G40 - G42)

15 CUSTOM MACRO

15.1 VARIABLES

15.2 SYSTEM VARIABLES

15.3 ARITHMETIC AND LOGIC OPERATION

15.4 MACRO STATEMENTS AND NC STATEMENTS

15.5 BRANCH AND REPETITION

15.6 MACRO CALL

APPENDIX VOCABULARY

REFERENCE