Couplings are designed for transmitting the torque in rotor machines over the power range from 25 to 6000 kW. The expected consumers are enterprises of power-engineering, metallurgy, oil, chemical, farming and other industries.
The principle of elastic finger-like coupling operation relies on the transmission of the torque from the drive to the actuating mechanism through toothing elements of a “projection-depression” type between which there are elastic elements, compensating for the radial, angular and axial errors of the pump rotors, that are susceptible to static and dynamic loads.
Compared to toothed couplings, finger-like couplings provide:
high compensating characteristics that reduce loads on the bearing seats and rotor engines;
minimal axial loads that are transmitted to the robot of the power-operated machine (pump) when the engine robot operates in the magnetic field;
higher operating life without technical servicing;
higer technological effectiveness in manufacturing and maintainability under operating conditions.
Given couplings specifications are similar to those of plate couplings with flexible metal elements.
The expected operating life of elastic elements is 12 000 hours. The operating service life of the couplings is not less than 50 000 hours.
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