Machine Drawings, Continued
General terms
FINISH MARKS: Finish marks indicate the amount of acceptable surface
(Continued)
abrasion in a finish. The purpose of the part determines what surfaces
require finishes while others do not.
Indicate surface finishes by drawing a modified check mark and placing the
degree of finish in the angle of the check mark.
Figure 4-40 shows the proportions for a basic finish mark.
Figure 4-40.—Proportions for a basic finish mark.
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