Method and device for non-circular grinding of cam shapes...

Details Method and device for non-circular grinding of cam shapes... Method and device for non-circular grinding of cam shapes...

B - Operations, Transporting

24

B

B24B 19/12 (2006.01)

Patent

CA 2256430

The invention concerns a method and device for grinding camshaft cams having concave flanks using a grinding disc (3) which has a relatively small diameter and is used at least for finish grinding. The grinding disc axis runs obliquely to the camshaft longitudinal axis (2), and the grinding disc is aligned at the same angle. In order to attain a perfect running surface, the grinding disc is followed along an advance axis (Y) extending perpendicular to the feed axis (X), namely as a function of the rotational position of the camshaft and the positioning on the feed axis.

L'invention concerne un procédé et un dispositif permettant de rectifier des cames à flancs concaves d'un arbre à cames à l'aide d'une meule (3) de diamètre inférieur, s'utilisant au moins pour le finissage à la meule. L'axe de la meule s'étend obliquement à l'axe longitudinal (2) de l'arbre à cames et la meule est orientée selon le même angle. Pour obtenir une surface de roulement parfaite, la meule est suivie le long d'un axe d'avancement (Y) perpendiculaire à l'axe d'approche (X), en fonction de la position de rotation de l'arbre à cames et du positionnement sur l'axe d'approche.

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