METHOD AND DEVICE FOR GRINDING METAL ANNULAR MEMBER

Provided is a grinding method capable of preventing variation in the outer diameter of a processed object 1 at the completion of grinding regardless of change in the amount of elastic deformation of the processed object 1 based on the change in the cutting ability of a grindstone 4. The outer diamet...

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Bibliographische Detailangaben
Hauptverfasser:	OGASAHARA, Tomoki, OZAWA, Mitsuharu, EBINA, Takeshi
Format:	Patent
Sprache:	eng ; fre ; ger
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 variation in the outer diameter of a processed object 1 at the completion of grinding regardless of change in the amount of elastic deformation of the processed object 1 based on the change in the cutting ability of a grindstone 4. The outer diameter D of the processed object 1 during grinding is measured by gauge heads 5 in process. Plural target values Di that differ from each other are set for the outer diameter D of the processed object 1, and first threshold values are set for the rate of change of the outer diameter D of the processed object for each of these target values Di. Spark out is started when the outer diameter D of the processed object 1 becomes equal to a target value Di and the absolute value of the rate of change v is greater than a first threshold value that corresponds to the target value Di.