Minimum interference for interference fits - Metrology & Quality Control

Q.  Which of the following statements is/are false?
- Published on 07 Aug 15

a. Interference is observed in tight fit
b. Allowance represents minimum interference for interference fits
c. Clearance is observed in push fit
d. All of the above

ANSWER: Allowance represents minimum interference for interference fits

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    Discussion

  • Sravanthi   -Posted on 26 Oct 15
    - Allowance represents maximum interference for interference fits and is negative. In interference fits, two parts are fastened or pushed together by means of friction.

    - Tight fit is a type of transition fit and these provide interference less than force fits. Force fits have maximum interference.

    - Push fit is also a type transition fit and have slight clearance. These fits are generally used for components which are to be disassembled during use.

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