Method and apparatus for producing aspherical surfaces

Details Method and apparatus for producing aspherical surfaces Method and apparatus for producing aspherical surfaces

1985-07-19

1986-06-03

Weidenfeld, Gil

Gear cutting, milling, or planing

Milling

Process

51 33W, 51284R, 82 16, 82 12, 409199, B23C 304

Patent

active

045926840

ABSTRACT:
A method and apparatus for producing an aspherical surface, for example, an aspherical optical surface, on a workpiece, on which the workpiece is rotated about a first axis, a cutting tool is rotated about a second axis, and at a radial distance from the second axis, and the second and first axes meet at a point and at an angle with respect to one another, the second axis being moved with respect to the first axis so that the point moves along the first axis and the angle changes.

REFERENCES:
patent: 2539941 (1951-01-01), Allen
patent: 2725776 (1955-12-01), Hopkins
patent: 3139083 (1964-06-01), Seidel et al.
patent: 3763597 (1973-10-01), Schlotfeldt
patent: 3842713 (1974-10-01), Hamilton et al.
patent: 3881378 (1975-05-01), Bettiol
patent: 4083272 (1978-04-01), Miller
patent: 4264249 (1981-04-01), Dawson
patent: 4333368 (1982-06-01), Watt
patent: 4375739 (1983-03-01), Machida et al.
patent: 4535566 (1985-08-01), Soper et al.

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