Transportation Systems

Twin disk couplings

Twin disk (TD) couplings smoothly relay the power created by the traction motors to the wheel driving gears without any distortion.
As the train travels over the tracks, there is a continuous change in such factors as vehicle weight and center of gravity. The TD couplings are what keep the transmission of turning force to the wheels efficient amidst these changes.
Due to space constraints of the trucks where the equipment is housed, it is critical that TD couplings be both compact and easy to maintain.

Features

  • Low maintenance: The structure is designed so as not to need lubrication refilling.
  • Absorption of large deflection inputs: The flex plate is made from high-strength, high-flex carbon fiber reinforced polymer (CFRP).
  • Low noise: The coupling has an integrated cover whereby eliminating the need for the traction motor to have a coupling cover. The coupling flange covers the area around the flex plate.

Major Products

Shape Integrated cover
Application Shinkansen, suburban trains,
commuter trains, subways, LRVs
Flexible plate CFRP
Shape Normal
Application Shinkansen, suburban trains,
commuter trains, subways, LRVs
Flexible plate CFRP

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