Hydraulic Shaft Couplings

JHC

 

The main parts of the JHC coupling are the inner sleeve and the outer hub. The fitting surfaces of the sleeve and hub are slightly tapered. By driving the outer hub onto the inner sleeve, it is generated an interference fit with the shaft.

The press fit required for the JHC coupling is defined by expansion of the hub. It may also be defined by the axial drive-up distance of the hub onto the tapered sleeve.

Dismounting is done in a similar way: the friction between the tapers is overcome by injecting oil.

  • Fast installation and removal
  • No keyways, no tapered shafts
  • No fretting with shock/reverse torques
  • No heating/freezing of components required

Jaure® has supplied the JHC coupling since 2003. This coupling uses the same principle of the oil injection method. One advantage is that it is equipped with a built-in device for an easier installation and removal.

JHC couplings are normally intended for Marine drives. As such, class approval from societies such as DNV, ABS, BV and KR are available. All JHC couplings are tested at Jaure before delivery to guarantee correct performance after installation.

Jaure can also supply hydraulic pump equipment kits required for installation.

 

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