Description Of A Unique Machine Tool Permitting Achievement Of <15-A Rms Diamond-Turned Surfaces

D. M. Miller; G. H. Hauver; J. N. Culverhouse; E. N. Greenwell

doi:10.1117/12.7972393

1 August 1979 Description Of A Unique Machine Tool Permitting Achievement Of <15-A Rms Diamond-Turned Surfaces

D. M. Miller, G. H. Hauver, J. N. Culverhouse, E. N. Greenwell

Author Affiliations +

Optical Engineering, Vol. 18, Issue 4, 184394 (August 1979). https://doi.org/10.1117/12.7972393

Abstract

A new machine tool now in the final stages of development at the Pacific Northwest Laboratory uses a unique tool motion to produce diamond-turned surfaces of exceptionally high quality. The cutting tool is computer programmed to move in 4-nm increments along two axes: an X axis and an Omega axis. Exceptionally stiff and accurate control of the tool is possible with this "Omega-X" system. Copper surfaces of revolution have been produced with a 12.3-A rms surface finish and a contour accuracy of 75 nm. In conjunction with a unique thermally stabilized air bearing spindle and machine calibration equipment, the computer-controlled Omega-X system permits a significant advance in the fabrication of optical-quality surfaces.

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D. M. Miller, G. H. Hauver, J. N. Culverhouse, and E. N. Greenwell "Description Of A Unique Machine Tool Permitting Achievement Of <15-A Rms Diamond-Turned Surfaces," Optical Engineering 18(4), 184394 (1 August 1979). https://doi.org/10.1117/12.7972393

Published: 1 August 1979

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