Effect of pitch error on nut & bolt - Metrology & Quality Control

Q.  What effect does pitch error have on nut and bolt?
- Published on 07 Aug 15

a. Major diameter of nut decreases and effective diameter of bolt increases
b. Effective diameter of nut decreases and effective diameter of bolt increases
c. Effective diameter of nut increases and effective diameter of bolt decreases
d. None of the above

ANSWER: Effective diameter of nut decreases and effective diameter of bolt increases
 

    Discussion

  • Sravanthi   -Posted on 26 Oct 15
    - If a bolt has pitch error, then it will not easily screw into perfect ring gauge of same nominal size. The effective diameter needs to be changed if the bolt needs to be screwed into perfect ring gauge.

    - An error in pitch decreases effective diameter of nut and increases effective diameter of bolt.

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