| 摘要 |
A method of making an eyewear frame comprising the initial step of extruding an elongated billet of substantially rigid material having a top surface having predetermined convex cross-sectional initially as extruded curvature and a bottom surface having a predetermined concave cross-sectional initially as extruded curvature. The next step involves mounting a predetermined length of the elongated billet in a holding fixture of a computer numerical control (CNC) cutting machine. Next the CNC cutting machine is operated to cut out predetermined lens apertures and a finished eyewear frame around each of the previously machined lens apertures thereby producing a substantially stress free eyewear frame that is ready to have a stress free lens installed in its lens aperture.
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