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16-9英语50题

数控英语测试卷

一.选择适当的词填空。

https://www.sodocs.net/doc/597031650.html,C ______ (stands, stand) for computer numerical control.

2. Sometimes it is erroneously ________ (used, use) as NC.

3. CNC is a genetic term for various ________(number, numerical) controllers.

4. CNC machines are used for _________(machine, machining) complex parts and shapes.

5. The machining procedure is __________ (generate, generated) directly from the PLC.

6. ________ (That, These) data are used to drive the spindle and tool to create precise parts.

7. One of the __________ (advantages,disadvantages) of CNC machines is that parts can be machined directly out of different metals.

8. It is __________ (economy, economical) to machine a large number of parts that require a lot of complex operations.

9.In 1940s, the United States ________ (begin, began) to study CNC machine tools.

10. In 1952, the servo laboratory of Massachusetts Institute of Technology

___________(successful, successfully) developed the first CNC milling machine.

11. This is a major breakthrough of the manufacturing technology __________(at, in) the field of machining.

12. CNC machining is the _________ (foundation ,found) of modern manufacturing technology.

13. It is the _________ (invent, invention) for the manufacturing industry.

14. The __________ (world, world’s) major industrialized countries have attached much importance of CNC technology research and development.

15. China started to ________ (develop, developing) CNC machines in 1958.

16.About 70 years ago, the USA began to __________ (use, study) CNC machine tools.

17.MIT successfully developed the first CNC _______ (milling, planning) machine.

18. CNC machining marked a new manufacturing __________ (period, era).

二.将括号里的短语翻译成英语。

1._________ (计算机数字控制) stands for computer numerical control.

2. _____________（有时）it is erroneously used as NC.

3. CNC is a genetic term for various __________________（数字控制器）.

4. CNC machines are used for machining _____________ （复杂的）parts and shapes.

5.The machining _____________ （过程）is generated directly from the PLC.

6.These ___________ （数据）are used to drive the spindle and tool to create precise parts.

7.It is ___________ (合适的)for machining highly precise parts.

8.It is economical to machine a large ____________ （数字）of parts that require a lot of complex operations.

9.Three _____________________ （直角坐标系）are applied to the CNC machine.

10. The ____________（机器）manufacturer sets the machine zero point for each machine.

11. The machine performs a manual ______________ （参考）position return after it is turned

on .

12. When the operator wants to ______________ （决定）the position of the workpiece on the

machine.

13. The reference point of the machine is ____________ （定义）as the machine zero point.

14. When a CNC is told _________ （目标）position, the tool will be moved to the position.

15. __________ （程序）axes are used to specify the coordinates.

三.翻译句子英汉互译

1. CNC stands for computer numerical control, which is applied to machine control system.

2. CNC machines are used for machining complex parts and shapes.

3.These data are used to drive the spindle and tool to create precise parts.

4. It is suitable for machining highly precise parts.

5. In 1940s, the United States began to study CNC machine tools.

6.这是加工领域制造技术的一个重大突破。(manufacturing, technology)

7. 三个直角坐标系被应用于数控机床。

数控英语测试卷答案

班级：数控16-9-1～3

一.选择适当的词填空。

1. stand

2. used

3. numerical

4. machining

5. generated

6. These

7. advantages

8. economical

9. began 10. successfully 11. in

12. foundation 13. invention 14. world’s 15. develop 16. study

17. milling 18. era

二.将括号里的短语翻译成英语。

https://www.sodocs.net/doc/597031650.html,C

2. Sometimes

3. numerical

https://www.sodocs.net/doc/597031650.html,plex

5. procedure

6. data

7. suitable 8. number 9. coordinate systems 10. machine 11. reference

12. determine 13. define 14. target 15. Program

三.翻译句子英汉互译

https://www.sodocs.net/doc/597031650.html,C代表计算机数字控制，他应用于机器控制系统。

2.数控机床用于加工复杂的零件和形状。

3、这些数据被用于驱动轴和机床来创造精确的零件。

4. 它适合加工高精度零件。

5.在20世纪40年代，美国开始研发数控机床。

6.This is a major breakthrough of the manufacturing technology.

7.Three coordinate systems are applied to the CNC machine.

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