Abrasive grinding tools with hydrated and nonhalogenated...

Details Abrasive grinding tools with hydrated and nonhalogenated... Abrasive grinding tools with hydrated and nonhalogenated...

B - Operations, Transporting

24

D

B24D 3/34 (2006.01) B24D 11/00 (2006.01)

Patent

CA 2328448

A bonded-abrasive tool includes a matrix of an organic bond, abrasive grains dispersed in the organic bond and a grinding aid in the form of either an inorganic nonhalogenated filler or a hydrated filler. The inorganic nonhalogenated filler can react with free radicals released from the organic bond during grinding. The hydrated filler endothermically releases water. A coated-abrasive tool includes a flexible substrate, abrasive grains bonded to the flexible substrate, and an organic bond containing a grinding aid including an inorganic nonhalogenated filler or a hydrated filler coated on the substrate.

Cette invention concerne un outil à abrasif lié, lequel outil comprend une matrice d'un liant organique, des grains abrasifs dispersés dans le liant organique, ainsi qu'un agent d'aide au meulage qui consiste en une matière de charge inorganique non halogénée ou en une matière de charge hydratée. La matière de charge inorganique non halogénée va réagir avec les radicaux libres qui sont libérés par le liant organique lors du meulage. La matière de charge hydratée va quant à elle libérer de l'eau de manière endothermique. Un outil à abrasif enduit comprend un substrat flexible, des grains abrasifs liés au substrat flexible, ainsi qu'un liant organique comprenant un agent d'aide ou meulage qui contient une matière de charge inorganique non halogénée ou une matière de charge hydratée appliquée sur le substrat.

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