Splined clutch hub and method and apparatus for making same

Details Splined clutch hub and method and apparatus for making same Splined clutch hub and method and apparatus for making same

B - Operations, Transporting

21

D

B21D 13/02 (2006.01)

Patent

CA 2482955

An externally splined clutch hub and method and apparatus for making the same is disclosed wherein a flat circular metal preform with a central opening is provided; and the preform is contacted with a single forging die to simultaneously cold forge a centrally disposed tubular neck extending outwardly from one side of the preform and simultaneously a splined annular ring at the periphery of the preform and extending outwardly from the other side of the preform wherein the tubular neck and the annular ring are coaxial.

La présente invention concerne un moyeu d'embrayage extérieurement cannelé et un procédé pour le fabriquer. On utilise une préforme métallique circulaire plate à ouverture centrale. On met cette préforme au contact d'une matrice à forger de façon à forger à froid, d'une part un col tubulaire disposé centralement et ressortant d'un côté de la préforme, et d'autre part simultanément, et d'autre part, simultanément une bague annulaire cannelée sur le pourtour de la préforme et ressortant de l'autre côté de la préforme, le col tubulaire et la bague annulaire étant coaxiaux.

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