Amerigear Modifications and Variations - Series F
Limited End-Float Variation
Application: Recommended for installations where axial travel must be limited to a lesser degree than inherent in standard flexible couplings, such as in a sleeve bearing motor to prevent the rotor from “wiping” the bearing shoulders.
Description: A standard coupling is designed with clearances to accommodate misalignment and manufacturing tolerances. When an application requires that the end float be restrained, a plastic disc is positioned between the faces of coupling hubs. The clearances are measured and the hubs are modified to the amount of limited end float required. In the case of spacer arrangements, steel plates with steel thrust buttons are fitted to the spacer. The clearances are measured and the hubs are modified. The tandem design can be modified for limited end float. It should be noted that as the coupling is extended or compressed for LEF, the misalignment capacity of the coupling is reduced accordingly.
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