Method and device for grinding metal annular member

Provided is a grinding method capable of preventing variations in the outer diameter of a workpiece (1) at the completion of grinding regardless of variations in the amount of elastic deformation of the workpiece (1) based on changes in a whetstone (4) sharpening ability and the like. The outer diam...

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Bibliographische Detailangaben
Hauptverfasser:	OGASAHARA TOMOKI, OZAWA MITSUHARU, EBINA TAKESHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS POLISHING REGULATING TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided is a grinding method capable of preventing variations in the outer diameter of a workpiece (1) at the completion of grinding regardless of variations in the amount of elastic deformation of the workpiece (1) based on changes in a whetstone (4) sharpening ability and the like. The outer diameter (D) of the workpiece (1) during grinding is measured, in process, by a gauge head (5). A plurality of mutually different target values Di are specified in relation to the outer diameter (D) of the workpiece (1), and a first threshold pertaining to the rate of change of the outer diameter (D) of the workpiece (1) is specified for each of the target values Di. A spark-out starts when the absolute value of the rate of change v, when the outer diameter (D) of the workpiece (1) reaches a target value Di, exceeds the first threshold corresponding to the target value Di.