Method of making a splined turbine hub

Details Method of making a splined turbine hub Method of making a splined turbine hub

B - Operations, Transporting

23

K

B23K 1/00 (2006.01) B21J 9/02 (2006.01) B21K 1/30 (2006.01) F16H 41/28 (2006.01) F16H 45/02 (2006.01)

Patent

CA 2202721

A method of making a splined hub 52 for use in a hydrodynamic torque converter 10 includes the steps of preparing a cylindrical workpiece 110 for forging, forging a plurality of splines 70 on at least a portion of the cylindrical workpiece 110 by applying a deformation force progressively across the circumference of the workpiece 110 such that the splines 70 extend in an axial direction relative to the workpiece 110 and about at least a portion of the cylindrical surface thereof and hardening the forged workpiece.

Cette invention concerne une méthode de fabrication d'un moyeu cannelé 52 de convertisseur de couple hydrodynamique 10 qui comprend une étape de préparation d'une pièce cylindrique 110 au forgeage, une étape de forgeage d'une pluralité de cannelures 70 dans au moins une partie de la pièce cylindrique 110 par application d'une force de déformation progressive sur le pourtour de la pièce de façon à y matérialiser des cannelures 70 parallèles à l'axe longitudinal et faisant au moins une partie de la longueur de la pièce, et une étape de durcissement de la pièce forgée.

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