Aspherical surface processing method, aspherical surface...

Details Aspherical surface processing method, aspherical surface... Aspherical surface processing method, aspherical surface...

2006-07-18

2006-07-18

Nguyen, Dung Van (Department: 3723)

Abrading

Abrading process

Glass or stone abrading

C451S005000

Reexamination Certificate

active

07077729

ABSTRACT:
An aspherical surface processing method involves a workpiece to be processed by rotating around a rotation axis, and a rotational tool movable relative to the workpiece in the same direction as the rotation axis of the workpiece and in a direction perpendicular to the rotation axis of the workpiece. The rotational tool is shifted in a fixed direction with a predetermined feed pitch in a partial or entire region from a center of the rotation axis of the workpiece to a periphery of the workpiece in the direction perpendicular to the rotation axis of the workpiece to process the workpiece into a non-axisymmetrical and aspherical surface.

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