Improved grinder/polisher

An improved grinder/polisher includes a base having a bowl, a rotating drive plate and a drive plate drive that is adapted to support a platen. The grinder/polisher includes a head configured to support a specimen holder. The head has a first drive for rotational drive of the specimen holder and a s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHEWEY CHARLES E, CECKOWSKI DOUGLAS A, HART MICHAEL F
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MEASURING PERFORMING OPERATIONS PHYSICS POLISHING TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	An improved grinder/polisher includes a base having a bowl, a rotating drive plate and a drive plate drive that is adapted to support a platen. The grinder/polisher includes a head configured to support a specimen holder. The head has a first drive for rotational drive of the specimen holder and a second drive for moving the specimen holder toward and away from the drive plate. According to a first aspect, the head includes a load cell operably connected to the first drive and a counter operably connected to the second drive. The counter is configured to determine movement and the extent of movement of the head toward and away from the drive plate. A control system is provided. According to a second aspect, the grinder/polisher includes a finger that can extends to and restract from a partof the head rotating together with the specimen holer. According to a third aspect, the grinder/polisher includes a replacable bowl cushion assorted with the bowl. According to a fourth aspect, the head is provided with a li