What is the nominal diameter of a 1224 woodruff key?
0.01"
Is standard for woodruff key?
A woodruff key is a half‑moon shaped machine key that prevents gears, hubs, or other components from moving independently of a rotating shaft or spindle. They also act as a fail‑safe that protects expensive parts by shearing under excessive loads.May 6, 2021
How are keys measured?
Digital calipers. Calipers allow you to take actual measurements of the key, usually with accuracy of ± . 001″. These measurements can then be used to determine the key bitting specifications out right.
How do I identify a Woodruff key?
The Woodruff Key numbers indicate normal key dimensions. The last two digits give the nominal diameter B in eighths of an inch and the digits preceding the last two give the nominal width W in thirty-seconds of an inch.
How do you fit a Woodruff key?
Since woodruff keys are made to tight tolerances, they often require a press fit into its seat. This is done by lightly tapping the flat, protruding face of the key with a hammer or mallet until the key is seated firmly. The key will still extend above the mating shaft's surface to lock the mating hub or gear in place.May 6, 2021
What application often uses a woodruff key?
Woodruff keys are commonly used in machine tools and, for example, between the flywheel and the crankshaft of a small internal-combustion engine where the drive depends largely on the fit between the shaft and the conically bored flywheel hub.