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Elas­tomer cou­plings are plug­gable, back­lash-free and flex­i­ble shaft cou­plings. The con­nec­tion and com­pen­sa­tion ele­ment con­sists of a plas­tic spi­der with invo­lute teeth and a high Shore hard­ness. This elas­tic cou­pling spi­der is elec­tri­cal­ly insu­lat­ing and has good oscil­lat­ing damp­ing behav­ior. It is insert­ed form-fit­ting and slight­ly pre­loaded into two claw-shaped hubs with high precision.

The com­pa­ny Jakob Antrieb­stech­nik based in Klein­wall­stadt has var­i­ous elas­tomer cou­pling vari­ants in its prod­uct range, which can be put togeth­er as desired by means of a mod­u­lar sys­tem. Cus­tom-made prod­ucts are also possible.

The cou­pling EKM comes with a radi­al clamp­ing hub on both sides as a cost-effec­tive, com­pact stan­dard series. It cov­ers torque ranges from 8 — 2000 Nm and shaft diam­e­ters from 8 — 90 mm.