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Dog clutch (6480 views - Mechanical Engineering)

A dog clutch is a type of clutch that couples two rotating shafts or other rotating components not by friction but by interference. The two parts of the clutch are designed such that one will push the other, causing both to rotate at the same speed and will never slip. Dog clutches are used where slip is undesirable and/or the clutch is not used to control torque. Without slippage, dog clutches are not affected by wear in the same way that friction clutches are. Dog clutches are used inside manual automotive transmissions to lock different gears to the rotating input and output shafts. A synchromesh arrangement ensures smooth engagement by matching the shaft speeds before the dog clutch is allowed to engage. A good example of a simple dog clutch can be found in a Sturmey-Archer bicycle hub gear, where a sliding cross-shaped clutch is used to lock the driver assembly to different parts of the planetary geartrain. In engineering, a "dog" is a tool or device used to lock two components in relation to each other.
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Dog clutch

Dog clutch

Dog clutch

Licensed under Creative Commons Attribution-Share Alike 3.0 (Jasen betts).

A dog clutch is a type of clutch that couples two rotating shafts or other rotating components not by friction but by interference. The two parts of the clutch are designed such that one will push the other, causing both to rotate at the same speed and will never slip.

Dog clutches are used where slip is undesirable and/or the clutch is not used to control torque. Without slippage, dog clutches are not affected by wear in the same way that friction clutches are.

Dog clutches are used inside manual automotive transmissions to lock different gears to the rotating input and output shafts. A synchromesh arrangement ensures smooth engagement by matching the shaft speeds before the dog clutch is allowed to engage.

A good example of a simple dog clutch can be found in a Sturmey-Archer bicycle hub gear,[1] where a sliding cross-shaped clutch is used to lock the driver assembly to different parts of the planetary geartrain.

In engineering, a "dog" is a tool or device used to lock two components in relation to each other.

  1. ^ Sutherland, Howard. "Sutherland Handbook of Coaster Brakes and Internally Geared Hubs" (PDF). www.sheldonbrown.com. Sutherland Pubns. Retrieved 21 July 2015. 




This article uses material from the Wikipedia article "Dog clutch", which is released under the Creative Commons Attribution-Share-Alike License 3.0. There is a list of all authors in Wikipedia

Mechanical Engineering

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