A METHOD AND ARRANGEMENT FOR MANUFACTURING OF TUBES BY CONTINUOUS HYDRAULIC EXPANSION

A method for manufacturing a tube (110) by continuously moving a tubular hollow blank (100) through an expansion tool (60), and supplying fluid to a space (70) delimited by the expansion tool and the tubular hollow blank the such that a hydraulic pressure (P1) is applied inside the tubular hollow bl...

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Bibliographische Detailangaben
1. Verfasser:	SVEDBERG, DANIEL
Format:	Patent
Sprache:	eng ; fre
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:	A method for manufacturing a tube (110) by continuously moving a tubular hollow blank (100) through an expansion tool (60), and supplying fluid to a space (70) delimited by the expansion tool and the tubular hollow blank the such that a hydraulic pressure (P1) is applied inside the tubular hollow blank (100), wherein the magnitude of the hydraulic pressure (P1) is selected such that the tubular hollow blank (100) is deformed plastically. The application also relates to an arrangement (1) for manufacturing a tube (110). L'invention concerne un procédé permettant de fabriquer un tube (110) en déplaçant en continu une ébauche creuse tubulaire (100) à travers un outil d'élargissement (60), et en fournissant un fluide dans un espace (70) délimité par l'outil d'élargissement et l'ébauche creuse tubulaire de telle sorte qu'une pression hydraulique (P1) soit appliquée à l'intérieur de l'ébauche creuse tubulaire (100), l'amplitude de la pression hydraulique (P1) étant choisie de telle sorte que l'ébauche creuse tubulaire (100) soit déformée plastiquement. L'invention se rapporte également à un agencement (1) permettant de fabriquer un tube (110).