Keys: Difference between revisions
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=Introduction= | =Introduction= | ||
In mechanical engineering, a key is a machine element used to connect a rotating machine element to a [[keyed shaft]]. The key prevents relative rotation between the two parts and may enable torque transmission. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in which the key fits. The whole system is called a keyed joint. A keyed joint may allow relative axial movement between the parts. | In mechanical engineering, a key is a machine element used to connect a rotating machine element to a [[keyed shafts|shaft]]. The key prevents relative rotation between the two parts and may enable torque transmission. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in which the key fits. The whole system is called a keyed joint. A keyed joint may allow relative axial movement between the parts. | ||
Commonly keyed components include gears, pulleys, [[shaft couplers]], and [[washers]]. | Commonly keyed components include gears, pulleys, [[shaft couplers]], and [[washers]]. |
Revision as of 18:37, 21 May 2021
Introduction
In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. The key prevents relative rotation between the two parts and may enable torque transmission. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in which the key fits. The whole system is called a keyed joint. A keyed joint may allow relative axial movement between the parts.
Commonly keyed components include gears, pulleys, shaft couplers, and washers.