Machine Drawings, Continued
KEYS, KEYSEATS, AND KEYWAYS: A key is a small wedge or
rectangular piece of metal inserted in a slot or groove between a shaft and a
hub to prevent slippage. The three types of keys are the flat bottom, round
bottom, and square. A keyseat is a groove into which a key fits. A keyway
is an exterior sleeve surrounding the keyseat, which prevents movement of all
Figure 4-34 shows keys, keyseats, and keyways.
Figure 4-34.Keys, keyseats, and keyways.
Continued on next page