Method for finishing the ball cup of a homocinitic joint

F - Mech Eng,Light,Heat,Weapons – 16 – D

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F16D 3/223 (2006.01)

Patent

CA 2313185

The invention relates to a method for finishing the ball cup (6) of a homocinitic joint, especially for motor vehicles, having a ball ring-shaped bearing surface (8) for the ball cage (3) and a plurality of essentially axial running guideways (7) which interrupt said ball ring-shaped bearing surface. The guideways are provided for the balls (4) which are arranged in the ball recesses of the ball cage (3) and which transmit torque between the ball cup (6) and the ball star (2). In order to be able to finish such ball shells (6) quickly, economically and as fully automatic as possible, the invention provides that both the ball ring-shaped bearing surface (8) for the ball cage (3) as well as the guideways (7) for the balls (4) are produced by means of a turning machining.

L'invention concerne un procédé pour le finissage du coussinet sphérique (6) d'un joint homocinétique, notamment pour des véhicules automobiles, comportant une surface d'appui (8) en forme de bague à billes, destinée à la cage à billes (3), et une pluralité de glissières de guidage (7) interrompant ladite surface d'appui (8), s'étendant sensiblement axialement et destinées aux billes (4) disposées dans les évidements sphériques de la cage à billes (3) et transmettant des couples de rotation entre le coussinet sphérique (6) et le croisillon sphérique (2). Dans le but de pouvoir assurer le finissage de tels coussinets sphériques (6) de manière rapide, économique et aussi automatisée que possible, tant la surface d'appui (8) en forme de bague à billes et destinée à la cage à billes (3) que les glissières de guidage (7) destinées aux billes (4) sont réalisées par usinage sur tour.

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