Method for separating a machining suspension into fractions

Details Method for separating a machining suspension into fractions Method for separating a machining suspension into fractions

B - Operations, Transporting

28

D

B28D 5/00 (2006.01) B01D 21/01 (2006.01) B01D 21/26 (2006.01) B03B 1/04 (2006.01) B03B 5/44 (2006.01) B03D 3/00 (2006.01) B24B 55/03 (2006.01) B24B 57/00 (2006.01) C10M 175/04 (2006.01)

Patent

CA 2392399

The invention relates to a method for separating a machining suspension, which accumulates for example during the mechanical machining of silicon, quartz or ceramic, from a cutting fluid. Abrasive grains, in addition to attrition material from both the machined material and the machining equipment are dispersed in said cutting fluid. According to said method, the suspension is separated by wet-sizing, whereby the liquid used for said wet-sizing process is selected so that it can be mixed with the cutting fluid used and that the resultant mixture forms a stable suspension, in particular with the attrition material from the machined material. The method enables the abrasive grains to be separated cleanly from the attrition material and the cutting fluid.

L'invention concerne un procédé pour fractionner une suspension produite lors de l'usinage par enlèvement de copeaux, par exemple lors de l'usinage mécanique de silicium, quartz ou céramique. Cette suspension est constituée d'un fluide de coupe dans lequel sont dispersés des grains coupants ainsi que des déchets d'usinage provenant du matériau usiné et de la machine d'usinage. Selon l'invention, la suspension est séparée par voie humide, le liquide utilisé pour la séparation étant choisi de sorte qu'il puisse être mélangé au fluide de coupe employé et de sorte que le mélange ainsi produit forme, notamment avec les déchets d'usinage provenant du matériau usiné, une suspension stable. Ce procédé permet de séparer avec précision les grains coupants des déchets d'usinage et du fluide de coupe.

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