Process and device for grinding cams with concave flanks

Details Process and device for grinding cams with concave flanks Process and device for grinding cams with concave flanks

B - Operations, Transporting

24

B

B24B 19/12 (2006.01)

Patent

CA 2192988

A method and a machine are proposed for grinding cams of a camshaft, which cams comprise concave sides, by using a first and a second grinding disc for rough-grinding and finish-grinding the cam, a modified intermediate configuration being ground on the cam with the rough-grinding process, and a third grinding disc, the diameter of which corresponds to approximately twice the radius of the concave sides, the concave sides of a stationary cam being rough-ground with this third grinding disc in the longitudinal direction.

L'invention concerne un procédé et une machine qui permettent de meuler les cames à flancs concaves d'un arbre à cames, à l'aide d'une première et d'une deuxième meule pour dégrossir la came et la finir à la meule. Le dégrossissage de la came permet d'obtenir un contour intermédiaire modifié. Une troisième meule dont le diamètre correspond approximativement au double du rayon des flancs concaves permet de dégrossir lesdits flancs concaves en avance longitudinale lorsque la came est immobile.

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