COIL FORMING APPARATUS AND COIL FORMING METHOD

A coil forming apparatus for precisely reforming a band-shaped coil having straight portions and side ends, in an arc shape includes: a coil winding jig for inserting the straight portions into comb-shaped grooves thereof and winds; a coil conveying mechanism for pivotally conveying the band-shaped...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIDA, Eishi, OCHIAI, Junya, MATSUMOTO, Yutaka, OKUDA, Shuhei
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF METAL WIRE
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Beschreibung
Zusammenfassung:	A coil forming apparatus for precisely reforming a band-shaped coil having straight portions and side ends, in an arc shape includes: a coil winding jig for inserting the straight portions into comb-shaped grooves thereof and winds; a coil conveying mechanism for pivotally conveying the band-shaped coil; and guide members for guiding the side ends, and inserts each of the straight portions into a respective one of the plurality of comb-shaped grooves, in which the coil conveying mechanism unit has a conveying rail and a conveyor, the conveyor has a plurality of gripping grooves for gripping a respective one of the plurality of straight portions, the plurality of gripping grooves having a coil abutting bottom surface of a depth according to an overlapping number of the plurality of straight portions which differs according to position in the conveying direction of the band-shaped coil.