数控技术专业英语复习题

数控技术专业英语复习题
数控技术专业英语复习题
数控技术是现代制造业中的重要一环，而掌握数控技术专业英语则是数控技术人才必备的能力之一。

下面将给大家提供一些数控技术专业英语复习题，帮助大家巩固相关知识。

1. What does CNC stand for?
A. Computer Numerical Control
B. Control Numerical Computer
C. Centralized Numerical Control
D. Computerized Numerical Control
2. Which of the following is NOT a type of CNC machine?
A. Lathe
B. Milling machine
C. 3D printer
D. Injection molding machine
3. What is the purpose of a G-code in CNC programming?
A. To control the speed of the machine
B. To specify the tool path and operations
C. To calculate the material cost
D. To monitor the temperature of the machine
4. What is the difference between absolute and incremental programming?
A. Absolute programming uses G-codes, while incremental programming uses
M-codes.
B. Absolute programming specifies the position relative to the machine's origin, while incremental programming specifies the position relative to the previous position.
C. Absolute programming is used for milling machines, while incremental programming is used for lathes.
D. Absolute programming is faster than incremental programming.
5. What is the function of a tool offset in CNC machining?
A. To adjust the tool's cutting speed
B. To compensate for the tool's wear and tear
C. To control the machine's temperature
D. To measure the accuracy of the machine
6. What is the purpose of a feed rate in CNC machining?
A. To control the machine's temperature
B. To adjust the tool's cutting speed
C. To specify the tool's diameter
D. To measure the accuracy of the machine
7. What does the term "rapid traverse" refer to in CNC machining?
A. The maximum speed at which the machine can move
B. The rate at which the tool feeds into the workpiece
C. The speed at which the spindle rotates
D. The accuracy of the machine's positioning
8. Which of the following is NOT a common machining operation in CNC milling?
A. Drilling
B. Turning
C. Facing
D. Slotting
9. What is the purpose of a coolant in CNC machining?
A. To cool down the workpiece
B. To lubricate the tool
C. To remove chips from the workpiece
D. To control the machine's temperature
10. What is the function of a spindle in CNC machining?
A. To hold the workpiece
B. To hold the cutting tool
C. To rotate the workpiece
D. To measure the accuracy of the machine
答案：
1. A
2. D
3. B
4. B
5. B
6. B
7. A
8. B
9. B
10. C
这些复习题涵盖了数控技术的基本概念和术语，帮助大家回顾和巩固所学的知识。

通过解答这些问题，我们可以更好地理解数控技术的原理和应用，为将来
的实践工作做好准备。

希望大家通过这些复习题的学习，能够加深对数控技术专业英语的理解，提高
自己在数控技术领域的能力。

同时，也希望大家能够在实践中不断探索和学习，为推动制造业的发展做出贡献。