Ball Detent Clutch
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Torque TransmissionTorque transmission between the balls and the housing is the key to the disengagement of the clutch. The balls are forced into the pockets of the housing by an axial load generated by compressing a spring pack (HOR) or by air pressure (POR). This axial load determines the torque capacity of the clutch. Increasing or decreasing the spring compression or air pressure provides a means of torque adjustment.
Torque OverloadWhen a Torque Overload condition occurs, the balls roll out of the pockets and freewheel much as a ball thrust bearing. This rolling action increases the efficiency in which the clutch operates and reduces any fluctuation of torque setting due to frictional changes.
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