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R+W EK series Backlash-free and compact Elastomer Couplings

Published Jun 29, 2011
RW EK range
EK range of elastomer couplings
RW EK1
EK1 series with keyway connection from 2 - 800Nm
RW EK 2
EK2 series with clamping hub from 20 - 800Nm
RW EK 4
EK4 series for connical shaft ends (eg. Fanuc) from 20 - 150Nm
RW EK6
EK6 series with conical clamping ring from 10 - 800Nm
RW EK7
EK7 series with expanding shaft connection from 5 - 800Nm
RW EKL
EKL series with clamping hub, compact version. Torque range from 2 - 800Nm
RW EKH
EKH series with split clamping hubs. Torque range from 20 - 800Nm

The equalizing element of an EK coupling is the elastomer insert. It transmits the torque without backlash and vibration.

The elastomer insert defines the features of the entire coupling and/or of the entire drive system.

The coupling is backlash free due to pretensioning of the elastomer insert between the two coupling halves.

The Servomax-Coupling compensates for lateral, angular and axial misalignment.

Due to the electrically conductive properties of insert D electrostatically charge of the coupling is prevented. This eliminates sparks during normal operation (Explosive areas). Technical data available.

RW-EK brochure ()
Datasheet for EK series elastomer couplings