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Torsionally flexible coupling

Torsionally flexible coupling

Torsionally flexible coupling

About


The design of flexible couplings is characterized by two cast iron hubs having each stubby protrusions around their perimeters pointing toward the opposite hub. The two hubs mesh loosely together, and the gaps between them are filled with blocks of elastomeric material, moulded into an asteriskshaped element called “spider”.
Couplings are elements connecting two rotating shafts, and beyond transmitting power from one shaft to the other they perform the following functions:
Ensure a torque transmission free from shocks by damping any torsional vibrations, either due to load or self-induced
Minimize torque shocks and peaks at a starting phase
Compensate for slight angular and parallel shaft misalignments.
In order to guarantee all above performances at a superior quality level while ensuring good service life, Sati chooses only the best materials and arranges for accurate processing and faultless quality control. In basic execution, the operating temperatures range from 40°C to +125°C, allowing for short peaks up to 150°C. For use in extreme working conditions or simply above standard, special compounds have been studied to cope with any type of practical application.
The great advantage of flexible couplings lies in their “failsafe” design, as the coupling is not necessarily destroyed if the spider breaks away during operation. The system will continue to function in safety conditions, preventing critical system downtime, and the spider can be replaced later on. Flexible couplings are generally recommended for continuous-duty electric motor-driven machinery, pumps, gearboxes etc.



PARAMETERS

Parameter Name Parameter Value
Type
torsionally flexible
Installation system
flange
Torque (Nm)
  • 200 - 200
  • 0 - 0

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