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Multi-Point Couplings | Twiflex

Like the Layrub range from which it’s derived, the Multi-Point coupling design employs pre-compressed rubber blocks arranged in a machined steel housing. The blocks are mounted in parallel, in sets of 8, 9, 10 or 12 per flange.

The capabilities of the standard range may be extended through customer configurations to suit specific application requirements. This includes the design of shaft assemblies, including fixed-length and telescopic units.

Advantages of Multi-Point Couplings

The rubber block forms the basis of the Multi-Point design, accommodating movement in all directions. This makes the coupling s exceptionally tolerant of relative displacements and enables control of torsional stiffness for the tuning of systems subject to torsional vibration.

Flexible shafts, consisting of couplings, connected by fixed-length or telescopic centre shafts, will tolerate very large movements with minimal shaft reaction forces.

Applications for Multi-Point Couplings

The marine and rail industries utilise flexible couplings to absorb shock loads, reduce noise and vibration, and to provide damping and control of torsional vibration. In engine test and dynamometer applications, Multi-Point couplings accommodate high input speeds while offering a maintenance-free solution to the applications damping requirements.

Product Features

  • Pre-compressed rubber blocks arranged in a solid housing
  • Multiple block sizes to tailor the coupling design
  • Range of five standard sizes and torque capacity up to 64 kNm
  • Possibility for bespoke coupling arrangements
  • Fixed length and tele-shaft options
  • Large rubber volume provides low torsional stiffness
  • Good damping characteristics to aid control of torsional vibration
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