Disk polisher assembly

Details Disk polisher assembly Disk polisher assembly

1990-08-24

1991-12-31

Rose, Robert A.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51266, 51395, B24D 706

Patent

active

050760246

ABSTRACT:
A disk polisher has a horizontal turntable for moving workpieces around thereon and an assembly for holding flat grinding surfaces of grinding stone against these moving workpieces. The grinding stone pieces are provided with throughholes and are attached to a supporting body having internal passageways. Orifices are provided to connect these internal passageways with the throughholes such that a high-pressure fluid such as air can be directed through the passageways and the throughholes to apply external force on processed workpieces which tend to stick to the grinding surfaces due to the surface tension of water used for grinding. The diametrical shapes of the orifices and throughholes are carefully determined such that the processed workpieces can be reliably separated while the pressure drop inside the passageway due to escaping air will be minimized.

REFERENCES:
patent: 1742594 (1930-01-01), Hitchcock
patent: 2819568 (1958-01-01), Kasick
patent: 3754359 (1973-08-01), Scandaletos
patent: 4674236 (1987-06-01), Kawakami et al.
patent: 4918872 (1990-04-01), Sato et al.

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