Lens generating apparatus

Details Lens generating apparatus Lens generating apparatus

B - Operations, Transporting

24

B

51/18

B24B 13/00 (2006.01)

Patent

CA 1127850

ABSTRACT Generating lens surfaces to true toric or spherical shapes with lenses surfacing machinery employing a dual pivot- ing system and fixed radius cutter. Lenses are fed across the cutter along a first circular path developing the spherical component of a toric surface while the cutter is simultaneous- ly swept orthogonally across the lens along a second circular path which develops the cylindrical component of the toric surface. Various combinations of spherical and cylindrical curvatures are produced by adjustment of radii of first and second circular paths.

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