Upper part of spindle for yarn spinning has part sector of pass fit surfaces in edge region of covering in form of transition pass

摘要

The spindle upper part (1) includes a spindle shaft (2) with wharve (3) or shell carrier attached. The components are joined to each other on a press fit or shrink fit seat, and there are pass fit surfaces (6, 7) in the covering region (4). A part sector (5) of the part surfaces in the edge region of the covering is in the form of a transition pass.