Gold Member Since 2014
Audited Supplier

Changzhou Suma Precision Machinery Co., Ltd.

One Way Bearing, Backstop Clutch, One Way Clutch manufacturer / supplier in China, offering Nfs200 One Way Indexing Clutch Roller Type, Complete Freewheel/Overrunning Clutch with Shaft Coupling (FR...300CA), Fso750-1027 Sprag Type Overrunning Clutch for Reducers and so on.

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Supplier Homepage Company Show Application Examples Used for Conventional and Nuclear Power Plants

Application Examples

Used for Conventional and Nuclear Power Plants [Sep 04,2014]
Used for Conventional and Nuclear Power Plants

Conveyors
On conveyor drives, a sprag clutch is used for indexing and anti-runback.

Overrunning
Overrunning occurs when two or more motors can be used to drive the same machine, including through the same shaft. A typical setup is as follows. The service drive, or prime mover, provides a combination of high speed and high power for normal operation. The secondary drive, or pony drive, can be run at low speed and low power, usually to position the conveyor for maintenance.
The overrunning clutch allows the secondary drive to remain stationary during normal high speed operation of the conveyor drive.

Indexing
An indexing motion provides for accuracy in the drive system. A link is installed between the prime mover and one race of the sprag clutch. The reciprocating motion of the prime mover is converted to an indexing movement on the other race of the sprag clutch.
Backstopping
Backstopping prevents a loaded inclined conveyor from running back when the drive system is stopped. The outer race of the sprag clutch is fixed to the machine frame, usually via a torque arm. The inner race rotates freely in the forward direction of the conveyor drive. When the machine tries to run backward, the sprag clutch prevents this motion. In this application the sprag clutch is often called a "backstop" or "holdback"