Grinding apparatus

Details Grinding apparatus Grinding apparatus

1996-03-22

1997-08-26

Morgan, Eileen P.

Abrading

Machine

Rotary tool

451285, 414225, B24B 722

Patent

active

056605811

ABSTRACT:
There is provided a grinding apparatus which assures that a polishing cloth is automatically exchanged with a new one for a short time while suppressing the generation of abrasive grain and cut chips.
The grinding apparatus includes a lower turn table rotatably supported about a vertical shaft, an upper turn table detachably disposed on the lower disc and having an abrasive cloth adhesively attached to the surface thereof, a first turn table holder for holding an unused upper turn table having a new abrasive cloth preliminary adhesively attached thereto, a second turn table holder for holding used upper turn table disconnected from the lower turn table, a turn table exchanging device including chucking means capable of seizing the turn table, serving to convey the turn table to the second turn table holder, and moreover, to take the an upper turn table from first turn table holder and place it on the lower turn table, and position determining and stopping means for stopping the turn table at the rotational angular position where the chucking means of the turn table exchanging device is engageable.

REFERENCES:
patent: 4797052 (1989-01-01), Ohta et al.
patent: 5177514 (1993-01-01), Ushijima et al.
patent: 5329732 (1994-07-01), Karlsrud et al.
patent: 5405230 (1995-04-01), Ono et al.
patent: 5451130 (1995-09-01), Kempf
patent: 5498116 (1996-03-01), Woopruff et al.

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