B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 1/00 (2006.01) B24B 5/42 (2006.01) B24B 19/12 (2006.01) B24B 27/00 (2006.01) B24B 49/00 (2006.01) B24B 49/16 (2006.01)
Patent
CA 2388426
In a method of grinding a component such as a cam, a reduction in the finish grinding time is achieved by rotating the component through only a single revolution during a final grinding step and controlling the depth of cut and the component speed of rotation during that single revolution, so as to maintain a substantially constant specific metal removal rate during the final grinding step. The headstock (12) velocity can vary between 2 and 20 rpm during a single revolution of the cam during the final grinding step, with the lower speed used for grinding the flanks and the higher speed used during the grinding of the nose and base of the cam. Using a grinding machine (10) having 17.5 kw of available power for rotating the wheel, and cutting a grinding wheel in the range 80-120 mmdiameter, typically the depth of cut lies in the range of 0.25 to 0.5 mm.
L'invention concerne un procédé permettant de meuler un élément tel qu'une came, selon lequel le temps de meulage de finition est réduit par le fait de faire tourner d'un simple tour pendant une étape finale du meulage et de réguler la profondeur de la coupe et la vitesse de rotation constante pendant le tour simple, de manière à maintenir une vitesse d'élimination du métal spécifique sensiblement constante pendant l'étape finale du meulage. La vitesse de la poupée (12) peut varier entre 2 et 20 tours/minute pendant un tour simple de la came au cours de l'étape finale de meulage, la vitesse inférieure étant utilisée pour rectifier les flancs et la vitesse plus élevée, pendant la meulage de la partie en pointe et de la base de la came. Lorsqu'on utilise une machine de 17,5 kw de puissance disponible pour faire tourner la meule et une meule de l'ordre de 80 à 120 mm de diamètre pour la coupe, la profondeur de coupe se situe de manière générale entre 0,25 et 0,5 mm.
Cinetic Landis Grinding Limited
Kirby Eades Gale Baker
Unova U.k. Limited
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