Apparatus for making an aspherical lens and a method of making a

Details Apparatus for making an aspherical lens and a method of making a Apparatus for making an aspherical lens and a method of making a

1991-07-24

1993-03-23

Bilinsky, Z. R.

Turning

Process of turning

51124L, 51284R, 82 12, 82118, B23B 536

Patent

active

051954079

ABSTRACT:
An apparatus and method for forming aspherical lenses is provided in which a holder holds and rotates a predetermined lens workpiece, with a rotation detecting device provided for detecting the rotation angle of the workpiece. The cutting bit is mounted to swing about an axis perpendicular to the axis of rotation of the workpiece holder, with the cutting bit holder also linearly reciprocated. The swing angle and linear extent of the cutting bit or cutting bit holder are also detected, such that the swinging and reciprocating movement can be coordinated and controlled. The method and apparatus is particularly advantageous in forming aspherical and irregular lens shapes.

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patent: 4989316 (1991-02-01), Logan et al.
patent: 4995300 (1991-02-01), Kaplan et al.

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