本教材分为五个章节，主要讲解数控机床的发展史、数控系统工作原理、伺服系统结构及工作原理、机械结构、智能制造内容。本书可以作为机械工程专业留学生的专业教材、高年级本科生的双语教材,也可以供数控技术人员自学参考。

赵巍，女。从2005年博士毕业以来，一直从事数控技术的本科、留学研究生的教学工作，积累了丰富的教学经验，有中文版讲义、发表多篇相关教改论文，具有完整的授课体系、教具、教学课件，开发新实验。多次被评为A级教师，获得天津市师德优选个人。

Chapter 1Introduction
1.1The history of numerical control machine tools
1.2Basic principles
1.2.1The principle of computer numerical control
(CNC) machine tools
1.2.2The definition of numerical control
1.3The characteristics of CNC machine tools
1.4Introduction to main CNC machine tools
1.5The development of machinery manufacturing systems
Chapter 2Computer numerical control (CNC) systems
2.1The working principle of the CNC system
2.1.1Development of the NC system
2.1.2The composition and working principle of the CNC system
2.1.3The hardware of the CNC unit
2.1.4Hardware composition of CNC devices
2.1.5Software components of the CNC system
2.1.6The functions of CNC devices
2.2Interpolation theory
2.2.1Overview of the interpolation
2.2.2Point by point comparison interpolation
2.2.3Digital differential analyzer interpolation
2.2.4Sampled data interpolation
2.2.5Acceleration and deceleration control
2.3Tool compensation principle
2.3.1Tool length compensation
2.3.2Tool radius compensation
Chapter 3Servo systems
3.1Overview of servo systems
3.1.1Servo system components
3.1.2Servo system classification
3.1.3Basic requirements of servo systems
3.2Commonly used driving elements
3.2.1Stepper motors
3.2.2DC servo motors
3.2.3AC servo motors
3.2.4Linear motors
3.3Commonly used detecting elements
3.3.1Rotary encoders
3.3.2Linear encoders
Chapter 4Mechanical structure of the CNC machine tool
4.1Requirements for the CNC machine tool for mechanical structure
4.2Current common types and layout of CNC machine tools
4.2.1CNC Lathes
4.2.2Machining centers
4.3Main drive system and spindle components
4.4CNC machine tool feed drive systems
4.4.1Requirements for CNC machine tools on the
feed drive system
4.4.2Connection between the motor and the lead screw
4.4.3Ball screw nut pairs
4.4.4Guide rail slider pairs
4.5Selfmade onedimensional feed mechanism
Chapter 5Intelligent manufacturing
5.1The development and application of intelligent manufacturing
5.1.1American industrial Internet
5.1.2Germany industry 4.0
5.1.3Made in China 2025
5.2The core of intelligent manufacturing
5.3Technical support for intelligent manufacturing
5.4A case study of intelligent manufacturing—Siemens Amberg factory
Experiment ATwodimensional motion control platform
Experiment BThe measure of positioning accuracy and repeated positioning
accuracy to onedimensional motion mechanism

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