| 摘要 |
Numeric control method for boring an eyeglass lens and corresponding method. The bore comprises a bedplate ( 1 ), attachment means ( 3 ) of the lens ( 5 ), rotation means ( 9 ) of the lens ( 5 ) according to a first axis ( 7 ) (first degree of freedom), and a support column ( 11 ) with a head ( 15 ), wherein the attachment means ( 3 ) and the support column ( 11 ) can be moved between each other (second degree of freedom). The support column ( 11 ) has a first end linked to the bedplate ( 1 ) being capable of rotating about a second end (third degree of freedom) and the head ( 15 ) is linked to the column ( 11 ) by translation means (fourth degree of freedom). The apparatus only has these four degrees of freedom in order to fix the relative position between the head ( 15 ) and the lens ( 5 ).
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