| 摘要 |
Proposed is a support disk base (1) and a support disk for the bearing of a rotor of an open-end spinning apparatus, whereby on the outer circumference of the support disk base (1) a support ring (8) can be installed by force-fit. In accord with the invention, provided on the outer circumference of the support disk base (1) are grooves (3, 4, 5, 6, 7) running in the axial direction. Upon the operation of the support disk with the base (1), the said grooves (3, 4, 5, 6, 7) increase the holding power of a later circumferentially installed support ring against centrifugal forces. Further, a procedure for the manufacture of the basic form of a support disk is provided.
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