PRECISION MEASURING AND GAGING - OD1642 - LESSON 1/TASK 2
FIGURE 28.
USING A RING GAGE.
NOTE
The GO ring gage controls the maximum dimension of a
part and the NO GO plug gages control the minimum
dimension of a hole. Therefore, GO gages control the
tightness of the fit of the mating parts and the NO GO
gages control the looseness of the fit of the mating
parts.
(c) Plug Gages. A plug gage (figure 29 on the following page) is
used for the same type of jobs as a ring gage except that it is a solid
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