ELECTROMAGNETIC FORMING COIL DEVICE AND METHOD OF MAKING ELECTROMAGNETICALLY FORMED PRODUCT

An electromagnetic forming coil device includes a conductor coil; and a magnetic field shaper including a tubular portion disposed in the conductor coil, and an end wall portion that extends from a base end portion thereof, which is at one end of the tubular portion in a longitudinal direction, to a...

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Bibliographische Detailangaben
Hauptverfasser:	KAITOKU Kazumasa, GOTO Takashi, IMAMURA Yoshihaya
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	An electromagnetic forming coil device includes a conductor coil; and a magnetic field shaper including a tubular portion disposed in the conductor coil, and an end wall portion that extends from a base end portion thereof, which is at one end of the tubular portion in a longitudinal direction, to an extended end toward an axis of the conductor coil, the end wall portion having a cavity surface at the extended end, the cavity surface surrounding a workpiece. The tubular portion and the end wall portion are each divided into sections in the longitudinal direction, and the magnetic field shaper includes insulating layers disposed on the divided sections of each of the tubular portion and the end wall portion and on the cavity surface. The extended end of the end wall portion is disposed at a position protruding outward from a position of the conductor coil in the longitudinal direction.