System for replacement of sheet abrasive

Details System for replacement of sheet abrasive System for replacement of sheet abrasive

B - Operations, Transporting

24

B

B24B 7/06 (2006.01)

Patent

CA 2522065

A system for replacement of abrasive (152) in machinery which uses the abrasive to finish the surfaces of workpieces that pass through the machinery on a belt, such as so-called widebelt sanders. One preferred embodiment of the system employs an abrasive material (152) that is frictionally held on each edge to mounts (210, 220). The position of the mounts may be varied to increase or decrease the tension of abrasive material against the working surface of the platen (100), that the assembly may he removed from the apparatus. In another embodiment, the abrasive material is formed with integral, permanent mounts (320) on the edges of the abrasive material, so that the entire combination may be supplied or replaced as a unit. A variety of configurations of mounts may be used.

L'invention concerne un système de remplacement rapide d'abrasif dans des machines mettant en oeuvre un abrasif destiné à la finition de surfaces de pièces à usiner qui passent dans les machines sur une courroie, de type ponceuses à courroie large. Dans un mode de réalisation préféré, le système utilise un matériau abrasif maintenu par frottement sur chaque bord à des montants. La position des montants peut varier afin d'augmenter ou de réduire la tension du matériau abrasif contre la surface de travail du plateau, de façon que l'ensemble soit retiré de l'appareil. Dans un autre mode de réalisation, ledit matériau abrasif comprend des montants permanents solidaires disposés sur les bords de ce dernier, de façon que la totalité de la combinaison soit fournie ou remplacée en tant qu'unité. Diverses configurations de montants peuvent être utilisées.

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