Fluid thrust bearing centrifugal disk finisher

Details Fluid thrust bearing centrifugal disk finisher Fluid thrust bearing centrifugal disk finisher

1992-09-08

1994-03-22

Lavinder, Jack

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

511641, 384100, 384279, B24B 3110

Patent

active

052953300

ABSTRACT:
A centrifugal disk finisher includes a porous layer at the bottom of the vertical wall of the containment vessel. A pressurized fluid, preferably air, is forced through the porous layer so as to form a fluid bearing between the bottom of the porous layer and the spinning disk enclosed within the containment vessel. The containment vessel is levitated above the spinning disk by a small amount due to the presence of the fluid bearing, so that the disk spins without any contact with the containment vessel, thus reducing wear. The fluid bearing also acts as a seal, which repels particles from the interface between the disk and the porous layer due to the small height of the fluid bearing and its imperviousness to all but the most energetic particles.

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