Magnetorheological polishing devices and methods

B - Operations – Transporting – 24 – B

Patent

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Details

B24B 39/02 (2006.01) B24B 1/00 (2006.01)

Patent

CA 2163671

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, dte 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 se rapporte à un procédé pour polir un objet. Dans un mode de réalisation, illustré à la figure 1, ledit procédé consiste à créer une zone de polissage (10) dans un fluide magnétorhéologique (2); à déterminer les caractéristiques du contact entre l'objet et la zone de polissage nécessaires pour polir l'objet (4); à réguler la consistance du fluide (2) dans la zone de polissage (10); à amener l'objet (4) en contact avec la zone de polissage (10) du fluide (2); et à déplacer l'un par rapport à l'autre l'objet (4) et/ou le fluide (2). L'invention décrit également un dispositif de polissage (1). Dans un mode de réalisation, ce dispositif comprend un fluide magnétorhéologique (2), un moyen (6) pour induire un champ magnétique, et un moyen pour déplacer l'un par rapport à l'autre l'objet (4) à polir ou le moyen (6) pour induire un champ magnétique.

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