| 摘要 |
The invention relates to the use of a milling tool (7) for machining spectacle lenses consisting of plastic, especially polycarbonate, at a speed of between 60,000 and 360,000 min<-l>. The inventive milling tool comprises a shaft (8), a cutting head (9) and no more than four cutting edges (12, 13), preferably only one cutting edge (12), on the periphery of the cutting head (9) and/or at the front end of the cutting head (9).
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