Polishing method for soft acrylic articles

B - Operations – Transporting – 24 – B

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B24B 31/00 (2006.01) B24B 9/20 (2006.01) B24B 13/00 (2006.01)

Patent

CA 2398616

A method for polishing articles comprising soft acrylic materials is disclosed. The method includes a polishing step and a cleaning step. In the polishing step, a receptacle is charged with polishing beads of various sizes, alumina, a swelling agent and the articles to be polished, and agitated for a period of time and at a speed sufficient to remove surface irregularities. Following the polishing step, the polished articles are cleaned by agitating them with a cleaning slurry comprising cleaning beads of various sizes, alumina, a solvent and a surfactant for a period of time and at a speed sufficient to clean the surface of the polished articles. Agitation is preferably accomplished by a tumbling machine.

L'invention concerne un procédé de polissage d'articles constitués de matériaux acryliques mous. Ledit procédé consiste en une phase de polissage et en une phase de nettoyage. Dans la phase de polissage, un réceptacle est chargé de billes de polissage de différentes tailles, d'alumine, d'un agent gonflant, et des articles à polir, et est agité pendant une durée et à une vitesse suffisantes pour que les irrégularités de surface soient éliminées. Après la phase de polissage, les articles polis sont nettoyés par agitation à l'aide d'une boue de nettoyage comprenant des billes de nettoyage de tailles différentes, de l'alumine, un solvant et un surfactant, pendant une durée et à une vitesse suffisantes pour que la surface des articles polis soit nettoyée. L'agitation s'effectue, de préférence, au moyen d'un tambour culbuteur.

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