Machine Drawings, Continued
General terms FILLETS AND ROUNDS: Fillets are concave metal (inside) corners. In
(Continued)
cast objects, fillets strengthens the corners because they cool more evenly
than sharp corners. Rounds are edges (outside corners) that are rounded to
prevent chipping or sharp cutting edges.
Figure 4-32 shows examples of a fillet and a round.
Figure 4-32.
—A fillet and a round.
SLOTS AND SLIDES: Slots and slides are two specially shaped pieces of
material formed to mate together and hold secure while allowing lateral or
sliding movement. The two types of slots are tee slots and dovetail slots.
Figure 4-33 shows tee and dovetail slots and slides.
Figure 4-33.—Tee and dovetail slots and
slides.
Continued on next gage
4-43
