Method of setting the pre-load for a ball socket joint

Details Method of setting the pre-load for a ball socket joint Method of setting the pre-load for a ball socket joint

B - Operations, Transporting

23

P

B23P 11/00 (2006.01)

Patent

CA 2637248

A method for assembling a ball and socket assembly (10) includes loading a housing (14) with a resilient preload washer (28), an inner bearing (30), a ball stud (12) and an outer bearing (36). A loading tool (50) forcefully compresses the assembled components, as a unit, to an overload compression condition (54), and then reduces the compression until an ideal compression condition (56) is achieved. The outer bearing (36) is staked in position while the loading tool (50) holds the assembled components in the ideal compression condition (56). Following the staking operation, the loading tool (50) can be removed, and a final crimping operation permanently sets the outer bearing (36) in position and holds the articulating components in the ideal, pre-load clearance established. The subject method is particularly well-suited for high production set-ups in which precise pre-load clearances must be achieved at high through put rates.

Procédé d'assemblage d'ensemble joint à rotule (10) qui consiste à charger une enceinte (14) avec: une rondelle de précharge flexible (28), un palier interne (30), un pivot à rotule (12) et un palier externe (36). Un outil de chargement (50) comprime les éléments assemblés sous l'action d'une force, en tant qu'unité, jusqu'à un état de compression de surcharge (54), et réduit ensuite la compression jusqu'à un état de compression idéal (56). Le palier externe (36) est positionné tandis que l'outil de chargement (50) tient les éléments assemblés à l'état de compression idéal (56). Après l'opération de positionnement, on peut retirer l'outil de chargement (50), et une dernière opération de sertissage positionne de façon permanente le palier externe (36) et tient les éléments d'articulation dans le dégagement de précharge idéal établi. Le procédé décrit se prête particulièrement bien à des exigences de production élevées nécessitant l'établissement de dégagements de précharge précis à des rendements élevés.

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