Surface polishing machine

Details Surface polishing machine Surface polishing machine

1999-06-28

2000-07-25

Morgan, Eileen P.

Abrading

Machine

Rotary tool

451287, 451288, 451443, B24B 4900

Patent

active

060930888

ABSTRACT:
A surface polishing machine includes a polishing tool having a polishing tool face, a pressurizing member, placed on and movable in unison with a workpiece placed on the annular polishing tool, for pressurizing the workpiece toward the polishing tool, and a polishing-position retaining mechanism for holding the workpiece at a predetermined polishing position by preventing it from moving in unison with the polishing tool, while permitting it to rotate, as the polishing tool rotates. To reduce the overall size of the polishing machine and carry out highly accurate polishing, the polishing tool has its diameter larger than the diameter of the workpiece and smaller than twice the workpiece diameter. Alternatively, the polishing tool face is formed with an annular groove coaxially with the center of rotation of the polishing tool so that the annular groove extends to pass through the center of rotation of the workpiece placed on the polishing tool.

REFERENCES:
patent: 5433650 (1995-07-01), Winebarger
patent: 5456627 (1995-10-01), Jackson et al.
patent: 5584749 (1996-12-01), Mitsuhashi et al.
patent: 5645469 (1997-07-01), Burke et al.
patent: 5649849 (1997-07-01), Pileri et al.
patent: 5664990 (1997-09-01), Adams et al.
patent: 5779526 (1998-07-01), Gill
patent: 5785585 (1998-07-01), Manfredi et al.

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