Backing plates for abrasive disks

Details Backing plates for abrasive disks Backing plates for abrasive disks

B - Operations, Transporting

24

D

B24D 9/08 (2006.01) B24D 7/10 (2006.01) B24D 7/12 (2006.01)

Patent

CA 2238718

Accessories for an angle grinder include a resilient backing plate for use with an abrasive disk having shaped ventilating and viewing apertures. The apertures of the backing plate correspond to those on the disk and are shaped so that snagging of the apertures on projections from the work surface is minimized and to facilitate air flow across the work surface during use. This air flow helps in cooling the work and ejecting detritus, so minimising clogging effects. The ventilating apertures also facilitate viewing the work to be sanded through the spinning disk during the abrasion process, so that operator feedback is immediate. The holes also give the backing plate more resilience so that a greater area of the abrasive disk can come in contact with the work and the disk wears more evenly over its abrasive surface.

Plaque de support élastique faisant partie d'accessoires de meuleuse d'angle et conçue pour être utilisée avec un disque abrasif pourvu d'ouvertures de ventilation et d'observation. Les ouvertures de la plaque de support correspondent à celles du disque et leur forme permet de limiter l'accrochage des ouvertures par des projections provenant de la surface de la pièce et de faciliter la circulation de l'air à travers ladite surface. Cette circulation d'air contribue au refroidissement de la pièce et à l'éjection des détritus, ce qui limite au maximum l'effet d'obstruction. Les ouvertures de ventilation facilitent également l'observation de la pièce à sabler par l'intermédiaire du disque en rotation pendant le processus d'abrasion, de telle façon que le technicien reçoit une information de retour immédiate. Les trous rendent également la plaque de support plus élastique, de sorte qu'une zone plus grande du disque abrasif peut venir en contact avec la pièce et le disque s'use plus régulièrement sur sa surface abrasive.

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