| 摘要 |
A spectacle lens machining apparatus is provided to adjust a hole angle on the basis of the tilt angle of a front refraction surface and a rear refraction surface of the lens. A lens chuck that holds the lens; a drilling tool; A spectacle lens machining apparatus(1) includes a lens chuck for holding a spectacles lens; a drilling unit; a unit for designating a position of a hole to be perforated on the lens; a unit for measuring or inputting a tilt angle of a front or rear refraction surface of the lens at the designated hole position; a calculation unit for calculating a hole angle with respect to a predetermined reference axis on the basis of the tilt angle; a controller for performing drilling by controlling position relationship between the held lens and the drilling unit on the basis of the calculated hole angle; and a unit for inputting a modified hole angle on the basis of the calculated hole angle.
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