Flexible couplings

Flexible couplings

When transmitting torque from a drive shaft to a driven shaft, flexible couplings:

  • absorb and dampen irregularities in the torque,
  • distribute peak loads,
  • allow misalignments and offsets between the shafts,
  • permit some distortions in the mounting beds,
  • avoid the unwelcome constraints that may occur if a rigid coupling were fitted in the same conditions,
  • allow a lighter construction, with wider tolerances, and lower cost. In particular, a flexible coupling is absolutely essential if the machines that are coupled are on flexible mountings. Moreover, there is no play in a flexible coupling, and it therefore runs silently, without friction and does not need to be greased.


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