HYDROFORMING METHOD AND HYDROFORMING DEVICE

PROBLEM TO BE SOLVED: To provide a hydroforming method and a hydroforming device for easily improving the workability in the hydroform molding. SOLUTION: In the hydroform working method in which a metal pipe 1 is fitted in a die 2, the metal pipe 1 is subjected to the internal pressure and worked in...

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Bibliographische Detailangaben
Hauptverfasser:	IGUCHI KEINOSUKE, KURIYAMA YUKIHISA, YOSHIDA TORU, MIZUMURA MASAAKI, KIKUMA TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a hydroforming method and a hydroforming device for easily improving the workability in the hydroform molding. SOLUTION: In the hydroform working method in which a metal pipe 1 is fitted in a die 2, the metal pipe 1 is subjected to the internal pressure and worked in a predetermined shape while being pressed in the axial direction of the pipe, a shaft-inserting and pressing cylinder head 3 and/or the die 2 are worked while applying the ultrasonic oscillation to the head 3 and/or the die 2. COPYRIGHT: (C)2004,JPO