Patent ID: 9610667
Date: 2017-04-04
CPC Classifications: B23Q,B24B,G01M

Claim:
1. A lens edging system, comprising: an edger configured to perform edging of a spectacle lens using an edging tool; a shape measurement device configured to measure an edging shape of a circumferential edge of the spectacle lens after edging by the edger; a memory part configured to store information regarding a reference shape of the edging tool used by the edger; a shape comparing and judging part configured to compare a measurement result of the edging shape obtained by the shape measurement device in an edging interference avoidable area of the edging tool on the circumferential edge of the spectacle lens and a reference shape of the edging tool specified from the information stored in the memory part, and judge necessity/non-necessity for exchanging the edging tool based on a comparison result; and an information output part configured to output information regarding necessity for exchange when the shape comparing and judging part so judges.