The process of production of a hybrid wheel in light alloy of the type including a disk and a rim able to be rendered integral by a friction weld, is characterized by the fact that it involves the following working phases: production of the front disk, obtained via a dual operation of casting of an initial foundry preform and transferring the said initial foundry preform into a forging die, plus the operation of forging of the aforesaid initial foundry preform in view of obtaining the front disk, and then the operation of flash removal to obtain the said front disk; manufacturing of the rim portion, with production of a billet of light alloy, and conversion of the said billet into a circular flank obtained by hot or cold extrusion, followed by expansion of this circular flank to the dimensions of the final rim, plus the operation of hot or cold flow-forming of the circular flank to the final form and profile of the rim; assembly of the front disk portion and the rim via welding, involving a friction welding operation after machining of the areas to be assembled. The invention covers the production of hybrid and light alloy wheels manufactured in accordance with the process.
PROCEDE DE FABRICATION D'UNE ROUE HYBRIDE EN DEUX PARTIES EN ALLIAGE LEGER NOTAMMENT ALUMINIUM
PRODUCTION METHOD FOR A HYBRID WHEEL CONSISTING OF TWO PARTS MADE OF LIGHT-METAL PREFERABLY ALUMINUM
HERSTELLVERFAHREN FÜR EIN ZWEITEILIGES RAD IN MISCHBAUWEISE AUS LEICHTMETALL INSBESONDERE ALUMINIUM
06.07.2016
Patent
Elektronische Ressource
Französisch
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