PRECISION MEASURING AND GAGING - OD1642 - LESSON 1/TASK 2
(c) Some gages are fixed in leaf form, like a jackknife.
This
type allows the checking and measuring of small openings such as contact
points, narrow slots, and so forth.
They are widely used to check the
flatness of parts, in straightening and grinding operations, and in squaring
objects with a try square.
FIGURE 21.
THICKNESS (FEELER) GAGES.
(d) The leaf-type gage can be used with a combination of blades to
obtain a desired gage thickness.
Always place the thinner blades between
the heavier ones to protect the thinner ones and to prevent them from
kinking. Do not force the blades into openings which are too small as the
blades may
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