Machine and method for forming windings on electric motor stator

Details Machine and method for forming windings on electric motor stator Machine and method for forming windings on electric motor stator

1987-08-18

1988-08-09

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 703, H02K 15085

Patent

active

047622830

ABSTRACT:
A machine for forming windings on electric motor stators, comprising a needle driven with reciprocating rectilinear motion combined with reciprocating rotary motion about its axis. The needle has two opposing points, which are orthogonal to the needle. The needle carries copper wires unwinding from reels in order to deposit the wires in slots in a stator armature. The needle is split into two arms or ends oscillating between a position of substantial parallelism, in which the ends of the points are at a distance apart which is less than the maximum width of the inner cavity of the stator, and a position of maximum divergence in which the ends of the points are at a distance apart which exceeds the distance between the ends of the teeth which frontally retain the windings in the opposite slots of the stator. Linkages are connected to members which effect the reciprocating translational and rotary movements of the needle in order to determine the position of parallelism during the translation of the needle within the stator cavity, and to cause the arms or their ends to diverge when the needle is external to the stator during its rotation about the slots until it reaches the position of maximum divergence, and then to return it to its position of parallelism.

REFERENCES:
patent: 2304520 (1942-12-01), Wirtz et al.
patent: 2579585 (1951-12-01), Klinksiek
patent: 3411725 (1968-11-01), Biddison

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