Couplings are designed for transmitting the torque in rotor machines over the power range from 5 to 5000 kW. The expected consumers are enterprises of power – engineering, metallurgy, oil, oil and gas extraction, chemical, farming and other industries.
The principle of operation of the elastic jaw couplings relies on the transmission of the torque from the drive to the actuating mechanism through the toothing elements of a “projection-depression” type, between which there are elastic V-plates, compensating for the radial, angular and axial errors of the pump unit assembling that are susceptible to static and dynamic loads.
Compared to toothed couplings, jaw couplings provide :
high compensating characteristics that reduce loads on the bearing seats and rotor parts;
minimal axial loads that are transmitted to the rotor of the power-operated machine (pump) when the engine rotor operates in the magnetic field;
higher operating life without technical servicing;
higher technological effectiveness in manufacturing and maintainability under operating conditions.
The specifications of jaw couplings are similar to those of plate couplings with flexible metal elements.The expected operating life of the elastic elements until their replacement is 12000 hours. The operating service life of the couplings is not less than 50000 hours.
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