Magnetorheological fluid

C - Chemistry – Metallurgy – 09 – G

Patent

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Details

C09G 1/00 (2006.01) B24B 1/00 (2006.01) B24B 39/00 (2006.01)

Patent

CA 2497732

A method of polishing an object is disclosed. In one embodiment, as shown in the figure, the method comprises the steps of creating a polishing zone (10) within a magnetorheological fluid (2); determining the characteristics of the contact between the object and the polishing zone necessary to polish the object (4); controlling the consistency of the fluid (2) in the polishing zone (10); bringing the object (4) into contact with the polishing zone (10) of the fluid (2); and moving at least one of said object (4) and said fluid (2) with respect to the other. Also disclosed is a polishing device (1). In one embodiment, the device comprises a magnetorheological fluid (2), a means (6) for inducing a magnetic field, and a means for displacing the object (4) to be polished or the means (6) for inducing a magnetic field relative to one another.

L'invention a trait à un procédé de polissage d'un objet. Dans un mode de réalisation indiqué dans la figure, ledit procédé comprend les étapes de création d'une zone de polissage (10) à l'intérieur d'un fluide magnétorhéologique (2); la détermination des caractéristiques du contact entre l'objet et la zone à polir pour mener l'opération à bien (4); le contrôle de la consistance du fluide (2) dans la zone de polissage (10); la mise en contact de l'objet avec la zone de polissage (10) du fluide (2) et, enfin, le déplacement d'au moins un desdits objets (4) et dudit fluide (2) l'un par rapport à l'autre. On y décrit aussi un dispositif de polissage (1). Dans un mode de réalisation, le dispositif comprend un fluide magnétorhéologique (2), un moyen (6) d'induire un champ magnétique et un moyen de déplacer l'objet (4) à polir ou le moyen (6) d'induire un champ magnétique entre l'un et l'autre.

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