What is the purpose of a key in a keyway?

What does a key and keyway do?

What is a key & keyway? A key and the keyway make up a Keyed joint to secure the hub and the shaft to prevent relative movement between a power transmitting shaft and an attached component. For example, Gear drives, Pulleys or Sprockets are connected securely using keys to the power transmitting shaft (Figure 1).

What is the purpose of key?

A key is a specially shaped piece of metal that you place in a lock and turn in order to open or lock a door, or to start or stop the engine of a vehicle. She reached for her coat and car keys. The keys on a computer keyboard or typewriter are the buttons that you press in order to operate it.

What is a shaft a key and a keyway?

Shaft keyway and keys are used to transmit torque from shafts to mechanical transmission elements such as gears, pulleys, etc. using a keyed joint. They can be made using either a standard stock material such as key stock or custom machined to suit the application. Advertisement.

What is the function of key in machine design?

key, in machine construction, a device used to prevent rotation of a machine component, such as a gear or a pulley, relative to the shaft on which it is mounted. A common type of key is a square bar that fits half in a groove (keyway) in the shaft and half in an adjoining keyway in the component.