sprag clutch
NMTG Sprag clutch is precisely constructed with a specially formed cam (retained with a spring) which locks positively inner and outer race by wedging effect and transmits torque in one direction. The typical transmission will give motion for rotary as well as intermittent.
The Sprag clutches get automatically released (because of the change in the contact point due to a specially formed cam) and the unit becomes free (wheel) when the same race is rotated in the opposite direction.
These Sprag clutches, often provide the simplest and effective solutions for many applications, comparatively to clutches based on the ratchet and pawl type. Extensive range of cam, contact-free — Centrifugal lift of sprag clutches has wide selection options for a unidirectional drive — Sprag clutches.
In the simplest application, Sprag clutches connect and disconnect two rotating shafts (drive shafts or driven shafts). In these devices, one shaft is typically attached to a prime mover unit and the other shaft provides output power for work.
HIGH TORQUE : The formed Sprag can be accommodate maximum number of cam as per diameter which will provide the maximum load transmitting torqiue per given diameter / as per size then other type of clutches
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