True vehicle running center shaft assembly system

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

Patent

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Details

F16C 11/06 (2006.01) B21D 3/10 (2006.01) B23K 20/12 (2006.01) B23K 37/053 (2006.01) F16C 3/02 (2006.01) F16D 3/40 (2006.01)

Patent

CA 2457190

A system for assembling a vehicle drive shaft is provided with the steps of installing yokes on respective ends of a drive shaft tube, each yoke having first and second bores therethrough for receiving respective distal ends of respective spider arrangements, and rolling the outer edges of the bores using carbide rollers to urge a portion of the material of the yoke to overlie radially the respectively associated distal end of the spider arrangement. Datums are defined on the yokes and the shaft tube for determining a spatial relationship between the yokes and shaft tube. The rolling of the bore of the yoke is performed while the spider, the bearing caps, and the retention elements are maintained in preload to achieve zero tolerance. Prior to roller forming the outer edge of the bore, the spider arrangement is supported on the true rotating center of the drive shaft tube.

Système d'assemblage d'un arbre de transmission de véhicule, qui consiste à installer des fourches sur des extrémités respectives d'un tube d'arbre de transmission, chaque fourche comportant des premier et second alésages destinés à recevoir des extrémités distales respectives d'ensembles croisillons, puis à rabattre les bords externes des alésages à l'aide de rouleaux de carbure de manière à contraindre une partie de la matière de la fourche à couvrir l'extrémité distale associée de l'ensemble croisillon. Des repères sont définis sur les fourches et sur le tube d'arbre pour déterminer une relation spatiale entre les fourches et le tube d'arbre. Le rabattement du bord externe de l'alésage de la fourche est effectué tandis que le croisillon, les chapeaux de palier et les éléments de retenue sont maintenus en précharge pour obtenir une tolérance zéro. Avant le rabattement au rouleau du bord externe de l'alésage, l'ensemble croisillon est monté sur le centre de concentricité du tube d'arbre de transmission.

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