Keyway meaning

A keyway is a slot in a shaft or hub used to secure a key that prevents relative motion between the two parts.


Keyway definitions

Word backwards yawyek
Part of speech The word "keyway" is a noun.
Syllabic division key/way
Plural The plural of the word "keyway" is "keyways."
Total letters 6
Vogais (2) e,a
Consonants (3) k,y,w

Keyways are essential components in mechanical engineering and manufacturing processes. These slots or grooves are cut into rotating components like gears, pulleys, and shafts to transmit torque efficiently and securely.

Types of Keyways

There are various types of keyways used in different applications, such as rectangular, square, Woodruff, and involute. Each type has specific characteristics that make it suitable for particular purposes.

Keyway Machining

The process of machining keyways involves cutting the slot into the shaft or hub using milling machines, broaches, or shapers. Precision is crucial in this process to ensure a perfect fit between the key and keyway to prevent slippage or damage during operation.

Keyway Key

The key is a small, structured piece that fits into the keyway slot to connect the rotating component with the shaft. It prevents relative motion between the two parts, making it a vital component in transmitting power smoothly.

Keyways play a significant role in ensuring the smooth operation of machinery and equipment by providing a secure method of connecting rotating components. They are crucial for maintaining the integrity and efficiency of various mechanical systems.


Keyway Examples

  1. The machinist carefully measured the keyway to ensure it was the correct size.
  2. The engineer designed the keyway to fit perfectly with the mating component.
  3. The mechanic inserted the key into the keyway to prevent rotational movement.
  4. The keyway on the shaft was worn out and needed to be replaced.
  5. The keyway was machined into the pulley to allow for a secure connection.
  6. The keyway was carefully cleaned to remove any debris before installation.
  7. The technician used a keyway broach to create the precise keyway shape.
  8. The keyway was lubricated to ease the fitting of the key into place.
  9. The keyway was inspected for any signs of wear or damage.
  10. The key was hammered into the keyway to secure the connection between the components.


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  • Updated 31/03/2024 - 15:20:53