Built-up camshaft

Details Built-up camshaft Built-up camshaft

F - Mech Eng,Light,Heat,Weapons

01

L

F01L 1/047 (2006.01) F01L 1/08 (2006.01)

Patent

CA 2219560

A built-up camshaft with a shaft body, on which separately produced cams are fixed, is described. In order to achieve that the individual cams can be made with the greatest accuracy and also with concave circumferential areas or running surfaces, and at the same time the shaft body can be balanced in a manner which is optimal from the viewpoint of vibration, a shaft body is provided, which is produced by casting, forging or the like. Except for the cams, all functional elements, such as sprocket mountings, axial bearings and position transmitters, can be formed in one piece on the shaft body during its manufacture.

Arbre à cames composé, avec un corps d'arbre sur lequel sont fixées des cames produites séparément. Dans le but de réaliser que chacune des cames peut être faite avec la plus grande précision et aussi avec des zones circonférentielles ou surfaces de roulement concaves, et qu'en même temps le corps d'arbre peut être équilibré d'une manière optimale du point de vue de la vibration, l'invention décrit un corps d'arbre produit par moulage, forgeage ou autre méthode du genre. A l'exception des cames, tous les éléments fonctionnels tels que montures dentées, supports axiaux et transmetteurs de position peuvent être formés d'une pièce sur le corps d'arbre au moment de sa fabrication.

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