Function Principle


In this type of applications, reciprocating motion applied to the driving race of the clutch is transformed in to unidirectional intermittent motion at the driven race. Fig. 1 shows a typical Roll Feed mechanism for power presses. In this example reciprocating motion obtained by a pneumatic cylinder is applied to the outer race of the clutch, and infinite angular, intermittent unidirectional motion is available at feed roll.


Freewheel clutches are capable of overrunning at either the inner or outer race. This application is mainly required in stand by drives and compound drives. Fig. 2 shows a dual drive. Here two prime movers are connected to the input shaft of a gearbox throgh Freewheel clutch-couplings.


In Backstopping applications, Freewheel clutches are used to prevent reverse rotation of drive shafts. With the outer race of the clutch anchored to a stationary member, the inner race can overrun freely in one direction of rotation, reverse rotation is instantaneously prevented by the automatic engagement of the clutch. Fig. 3 shows a sprag clutch used as a Backstop on head shaft of a bucket elevator.

Specific Solutions

  • Stainless steel indexing clutch for use in the food processing industry.
  • Self-contained overrunning clutches CSK..P and roller chain sprocket assembly.
  • Self-contained overrunning clutch and V-belt pulley assembly.
  • High performance indexing clutch for use on an offset printing machine.
  • Indexing clutch and backstop combination for high voltage switch-gear.
  • Overrunning clutch for two directions of rotations. Automatic change of direction.

Application Examples

  • Gear Reducers
  • Printing Machines
  • Conventional and Nuclear Power Plants
  • Textile Machines
  • Automotive Industry
  • Clay Pigeon Traps
  • High Voltage Switch Gear
  • Agricultural Machinery
  • Car Washing Gantries
  • Rolling Mills
  • Roller Coaster
  • Fitness Machines
  • Davits (Winches)
  • Bow Thruster
  • Industrial Fans
  • Vertical Pumps

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