COIL-END-MOLDING DEVICE AND METHOD

A coil end shaping apparatus 20 shapes three flatwise bent portions f1 to f3 in a lead wire portion 11 extending from one end of a coil 10 by bringing first and second shaping dies 21 and 22 close to each other such that one (f1) of the flatwise bent portions is bent in the direction that is opposit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ITO, Katsuya, HASHIMOTO, Shingo, SUGIURA, Hiroharu, KOBAYASHI, Hisayuki, AKAO, Norihiko, KAWAURA, Hirotaka, OTA, Takanori
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSFORMERS
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Beschreibung
Zusammenfassung:	A coil end shaping apparatus 20 shapes three flatwise bent portions f1 to f3 in a lead wire portion 11 extending from one end of a coil 10 by bringing first and second shaping dies 21 and 22 close to each other such that one (f1) of the flatwise bent portions is bent in the direction that is opposite to the direction in which the rest (f2 and f3) are bent. The second shaping die 22, which is a movable die, has an clearance portion 230 that prevents a portion of the lead wire portion 11 to be bent along the flatwise direction on the side closest to the free end from being restrained by not contacting the lead wire portion 11 while the flatwise bent portions f1 and f2 on the base end side with respect to the flatwise bent portion f3 on the side closest to the free end, of the three flatwise bent portions f1 to f3, are shaped in the lead wire portion 11.