B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/18 (2006.01) B24D 3/34 (2006.01)
Patent
CA 2325491
An abrasive article is provided for precision grinding purposes, and the article comprises 3 to 25 volume % vitreous bond, 3 to 56 volume % MCA abrasive grain, and 28 to 63 volume % open porosity. Substantially all porosity in the abrasive article is impregnated with a lubricant component consisting of an oil and wax mixture having an oil:wax weight ratio of about 3:1 to about 1:4.
L'invention concerne un article abrasif à utiliser dans la rectification. Ledit article comprend 3 à 25 % de liant vitreux, 3 à 56 % en volume en volume de grain abrasif d'alpha-alumine microcristalline et 28 à 63 % en volume de pores ouverts. Sensiblement tous les pores de l'article abrasif sont imprégnés d'un composant lubrifiant constitué d'un mélange d'huile et de cire, selon un rapport pondéral huile/cire d'environ 3:1 à 1:4.
Fox Stephen E.
J. M. Tricard Marc
Rossetti George A. Jr.
Gowling Lafleur Henderson Llp
Norton Company
Saint-Gobain Abrasives Inc.
LandOfFree
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