Apparatus for and method of simultaneously, axially inserting mu

Details Apparatus for and method of simultaneously, axially inserting mu Apparatus for and method of simultaneously, axially inserting mu

1986-10-14

1988-06-14

Echols, P. W.

Metal working

Method of mechanical manufacture

Electrical device making

29732, 29736, H02K 1500, B23P 1900

Patent

active

047502584

ABSTRACT:
Apparatus is disclosed for the simultaneous, axial insertion of multiple pole, multiple phase windings into the slots of a stator of an electric motor or other dynamoelectric machine. Coil groups are placed on a circular array of fingers of an axial coil inserter, with chord segments of the coil groups extending across the circular opening of the circular array of fingers. The coil groups are arranged in pairs with each pair being angularly and axially offset with respect to one another. A stripper is axially movable within the circular array of fingers so as to substantially simultaneously engage portions of the chord segments of the coil groups thereby to insert the coil groups into the slots of the stator. The stripper has a number of operative surfaces facing axially outwardly which are disposed circumferentially on the stripper as to be in radial register with the chord segments of their respective chord groups, with the operative surfaces being axially spaced or stepped from one another so that as the stripper is moved axially outwardly, these various operative surfaces on the stripper substantially simultaneously engage their respective chord segments to thereby substantially simultaneously insert the coil groups into the stator slots. A method of simultaneously inserting such windings is also disclosed.

REFERENCES:
patent: 3845548 (1974-11-01), Arnold
patent: 3857171 (1974-12-01), Lund
patent: 3949464 (1976-04-01), Walker
patent: 4538349 (1985-09-01), Nakamura

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