Hydroforming using high pressure pulsation during fluid...

Details Hydroforming using high pressure pulsation during fluid... Hydroforming using high pressure pulsation during fluid...

B - Operations, Transporting

21

D

B21D 26/02 (2011.01) B21D 26/06 (2006.01)

Patent

CA 2540839

A method and apparatus for hydroforming a metal part includes placing a part to be formed (510) within a die (512), closing the die to enclose the part to be formed, and introducing a high pressure fluid to an interior of the die for expanding the part against an interior surface of the die. The high pressure fluid has a pulse applied thereto for increasing a material flow of the part within the die.

L'invention porte sur un procédé et un appareil d'hydroformage d'une partie métallique consistant à placer une partie à former (510) dans une matrice (512), à fermer la matrice afin de renfermer la partie à former, et à introduire un fluide de pression élevée à l'intérieur de la matrice de manière à étendre la partie contre une surface intérieure de la matrice. Ce fluide à pression élevée présente une pulsion appliquée sur la surface qui permet d'augmenter un écoulement de matériau de la partie dans la matrice.

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