Method and device for producing a one-piece vehicle wheel

Details Method and device for producing a one-piece vehicle wheel Method and device for producing a one-piece vehicle wheel

B - Operations, Transporting

22

D

B22D 21/00 (2006.01) B21D 22/14 (2006.01) B21D 53/26 (2006.01) B21H 1/10 (2006.01) B21K 1/38 (2006.01) B22D 15/00 (2006.01) B23P 15/00 (2006.01) B60B 3/06 (2006.01) B21H 1/04 (2006.01)

Patent

CA 2290448

The invention relates to a device and method for producing a one-piece vehicle wheel in which a substantially discoid, undercut-free blank is cast. Immediately after casting, the blank is transported to a pressure cylinder machine while maintaining residual warmth, and clamped therein. The clamped blank is split in the peripheral area and then configured by compressing and pressure-rolling to give an intermediate form with a wheel rim. The thickness of the wheel rim walls on the whole already corresponds to that of the completed vehicle wheel. The intermediate form is cooled and calibrated before undergoing final processing.

L'invention concerne un dispositif et un procédé de production d'une roue de véhicule d'une seule pièce dans lequel on coule une ébauche sans contre-dépouille ayant pratiquement la forme d'un disque. On transporte l'ébauche immédiatement après le coulage en conservant la chaleur restante dans une machine d'emboutissage au tour où on la monte. On fend l'ébauche montée dans la zone de sa circonférence et on la transforme par emboutissage et emboutissage au tour en une forme intermédiaire avec une jante présentant déjà, pour une grande part, l'épaisseur de paroi de la jante de la roue de véhicule achevée. La forme intermédiaire est ensuite refroidie, calibrée et soumise à un traitement final.

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