Page 48 - Personal Study Notes (Engineering Metrology - 22342)
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Q. Define Fit. Explain types of Fits.
Manufactured parts are required to mate with one another during assembly. The
relationship between the two mating parts that are to be assembled, that is, the hole
and the shaft, with respect to the difference in their dimensions before assembly is
called a fit. An ideal fit is required for proper functioning of the mating parts.
Three basic types of fits can be identified, depending on the actual limits of the hole or
shaft:
Engineering Metrology (Only For Personal Use) 5