RELIANCE ELECTRIC FLEXIDYNE DRIVE COUPLINGS

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FLEXIDYNE dry fluid couplings and drives are a unique concept to provide soft start and momentary overload protection for all types of driven equipment. Standard NEMA-B motors with rpm base speeds of 1750, 1160 or 860 rpm are commonly used with a FLEXIDYNE unit.

The dry "fluid" in the FLEXIDYNE unit is heat treated steel shot. A measured amount, referred to as flow charge, is added into a housing which has been keyed to the motor shaft. When the motor is started, centrifugal force throws the flow charge to the perimeter of the housing, packs it between the housing and the rotor which in turn transmits power to the load.

After the starting period of slippage between housing and rotor the two become locked together and achieve motor full load speed, operating without slip and with 100% efficiency. Consequently, the motor accelerates instantly to base speed, while the load starts gradually and smoothly.

Keywords: Dodge Reliance Power Transmission Bearings and Replacement Parts

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