Apparatus and method for hydroforming a tubular part

Details Apparatus and method for hydroforming a tubular part Apparatus and method for hydroforming a tubular part

B - Operations, Transporting

21

D

B21D 26/02 (2006.01)

Patent

CA 2426029

A method and apparatus for shaping a raw tube (40) into a formed part. The part can be configured within a die assembly including a hydroforming die structure (12, 14) and a pair of tube-engaging punches (81). The punches are inserted into the ends of the raw tube to shape the ends into the desired configuration. The middle portion of the raw tube is shaped into the desired configuration by hydroforming. Thus, the method and apparatus can shape the raw tube along its entire length, leaving no remnants of the raw tube that must be trimmed away.

Procédé et appareil permettant de transformer un tube brut (40) en pièce formée. La pièce peut être configurée à l'intérieur d'un ensemble matrice constitué d'une structure de matrice d'hydroformage (12, 14) et de deux poinçons (81) venant en contact avec le tube. Les poinçons sont insérés dans les extrémités du tube brut pour former lesdites extrémités en la configuration souhaitée. La partie centrale du tube brut est formée selon la configuration souhaitée par hydroformage. Le procédé et l'appareil permettent ainsi de former le tube brut sur toute sa longueur, de sorte qu'il ne reste plus aucune partie du tube brut à ébarber.

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