Accuracy of co-ordinate measuring machine - Metrology & Quality Control

Q.  Which of the following statements is/are false for Co-ordinate measuring machine?
- Published on 07 Aug 15

a. Conventional comparators have greater accuracy than co-ordinate measuring machines
b. Gantry type of co-ordinate measuring machine use inductive transducers for measurement
c. Loading and unloading operations are easily done by cantilever type of co-ordinate measuring machine
d. All the statements are false

ANSWER: Conventional comparators have greater accuracy than co-ordinate measuring machines

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    Discussion

  • Sravanthi   -Posted on 27 Oct 15
    - Co-ordinate measuring machines are used for layout and inspection of complex components. They are also used as an integral part of FMS system. They are 3-D marking and measuring systems used for accurate measurement.

    - Co-ordinate measuring machines have high accuracy and precision than conventional measuring machines. They are used to inspect and mark variety of different sizes and shapes.

    - Gantry type co-ordinate measuring machine is used for measuring large workpieces. These provide reliable data without any human error. Gantry co-ordinate measuring machines have low uncertainty, minimum friction and vibration free movements. They use inductive and electronic transducers for measurement.

    - Cantilever co-ordinate measuring machine are easy to load and unload. They provide less rigidity when compared with other machine designs.

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