Tooth profile of a spline shaft

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

Patent

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Details

F16D 3/06 (2006.01) F16D 1/104 (2006.01)

Patent

CA 2557640

The invention relates to the groove profile for a form-fitting hub-shaft connection. Said groove profile has a substantially rectangular or trapezoid groove cross-section (3). At least one radially outward projecting rib (6) is provided on the groove root (5) or the groove head (4) of either the hub (1) or the shaft (2) and allows to establish a linear contact with the radially opposite groove surface across the front face (6') of the rib (6) that has a small width (b). The radial distance of said front face (6') relative to the longitudinal axis of the hub (1) or shaft (2) can be produced by cold-rolling with very narrow tolerances, thereby achieving a radial connection of hub (1) and shaft (2) which is virtually free from play.

L'invention concerne le profil de gorge d'un accouplement entre un moyeu et un arbre. Ce profil présente une section transversale (3) pratiquement rectangulaire ou trapézoïdale. Au moins une nervure (6) formant une saillie radiale vers l'extérieur est située sur la racine (5) ou sur la tête de la gorge soit du moyeu (1) soit de l'arbre (2) et permet d'établir un contact linéaire avec la surface de la gorge radialement opposé par la face avant (6') de la nervure (6) possédant une largeur limitée (b). La distance radiale de ladite face avant (6') par rapport à l'axe de la longueur du moyeu (1) ou de l'arbre (2) peut être obtenue par laminage à froid selon des tolérances très étroites, ce qui permet de réaliser un accouplement radial du moyeu (1) et de l'arbre (2), virtuellement exempt de jeu.

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