LENS MACHINING SYSTEM, MACHINING SIZE MANAGEMENT DEVICE, MACHINING SIZE MANAGEMENT METHOD AND METHOD FOR MANUFACTURING SPECTACLE LENS

A lens edging system 4 of the present invention includes: an edger 9 configured to perform edging to a spectacle lens in accordance with three-dimensional edging locus data obtained from edging shape data by calculation; a three-dimensional circumferential length measurement device 10 configured to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUZUE TAKAHIRO, SATO TSUKASA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTACT LENSES DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING OPTICS PERFORMING OPERATIONS PHYSICS POLISHING SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING
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Beschreibung
Zusammenfassung:	A lens edging system 4 of the present invention includes: an edger 9 configured to perform edging to a spectacle lens in accordance with three-dimensional edging locus data obtained from edging shape data by calculation; a three-dimensional circumferential length measurement device 10 configured to measure a circumferential length of the spectacle lens edged by the edger 9; and an edging size management device (7, 8) configured to correct a calculation parameter used for calculating the edging locus data, based on a difference between a measured circumferential length obtained by a three-dimensional circumferential length measurement device 10, and a theoretical circumferential length obtained by calculation.