Flexibility of CNC machine tool - Manufacturing Processes - 2

Q.  Which of the following statements are correct for CNC machine tool?

1. CNC control unit does not allow compensation for any changes in the dimensions of cutting tool
2. CNC machine tool are suitable for long run applications
3. It is possible to obtain information on machine utilization which is useful to management in CNC machine tool
4. CNC machine tool has greater flexibility
5. CNC machine can diagnose program and can detect the machine defects even before the part is produced
- Published on 04 Aug 15

a. (1), (2) and (3)
b. (2), (4) and (5)
c. (3), (4) and (5)
d. (2), (3), (4) and (5)

ANSWER: (3), (4) and (5)

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    Discussion

  • Pankaj Chaugule   -Posted on 19 Nov 15
    - There various advantages of using CNC machine tool over NC machine tool. They are as follows:

    1. As a software program is used to control machine tool in CNC system, it allows compensation for any changes in the dimensions of cutting tool.

    2. It provides facility of checking or proving the part program without actually running it on machine tool.

    3. It is possible to obtain information on machine utilization which is useful to management in CNC machine tool.

    4. CNC machine tool is more flexible than the NC machine tool.

    5. CNC machine can diagnose program and can detect the machine defects even before the part is produced.

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