Process for fixing a rotor winding

Abstract

In a process for fixing a rotor winding ( 15 ), which is hooked to connection lugs ( 122 ) of commutator lamellas ( 121 ) of a commutator ( 12 ) in the vicinity between the connection lugs ( 122 ) and winding heads ( 151 ) that are embodied on the end face of the rotor body ( 11 ), in order to simplify the process, a shrink sleeve ( 16 ) is placed over the commutator ( 12 ) of the completed rotor ( 10 ) and is slid onto the winding heads ( 151 ) until the connection lugs ( 122 ) and the connection wires ( 152 ) of the rotor winding ( 15 ) that extend to the connection lugs ( 122 ) are covered. The mechanically fixed shrink sleeve ( 16 ) is homogeneously heated with hot air while the rotor ( 10 ) rotates so that after cooling, it shrinks onto the connection lugs ( 122 ) and connection wires ( 152 ) as well as onto parts of the winding heads ( 151 ).

1 . A process for fixing a rotor winding ( 15 ), which is hooked to connection lugs ( 122 ) of commutator lamellas ( 121 ) of a commutator ( 12 ) and is contained in a rotor body ( 11 ) that is non-rotatably supported together with the commutator ( 12 ) on a common rotor shaft ( 13 ), in the vicinity between the connection lugs ( 122 ) and winding heads ( 151 ) that are embodied on the end face of the rotor body ( 11 ), characterized in that a shrink sleeve ( 16 ) is placed over the commutator ( 12 ) of the completed rotor ( 10 ) with the rotor body ( 11 ), commutator ( 12 ), and rotor winding ( 15 ), and is slid onto the winding heads ( 151 ) until the connection lugs ( 122 ) and the connection wires ( 152 ) of the rotor winding ( 15 ) that extend to the connection lugs ( 122 ) are covered, and that the shrink sleeve ( 16 ) is mechanically fixed and is homogeneously heated with hot air while the rotor ( 10 ) rotates.  
     
     
         2 . The process according to  claim 1 , characterized in that the shrink sleeve ( 16 ) is cut to length from an endless tube before being slid over.  
     
     
         3 . The process according to  claim 1 , characterized in that the shrinkage sleeve is produced as an individual sleeve of a predetermined length.  
     
     
         4 . The process according to one of claims  1  through  3 , characterized in that a hot air blower is used to produce the hot air.