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:10.1117/12.956912

25 September 1979 Description Of A Unique Machine Tool Permitting Achievement Of <15-Å rms Diamond-Turned Surfaces

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

Proceedings Volume 0163, Advances in Optical Production Technology II; (1979) https://doi.org/10.1117/12.956912
Event: Advances in Optical Production Technology, 1979, London, United Kingdom

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 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-Å rms surface finish and a contour accuracy of 75 nm. In conjuction with a unique, thermally stabilized air bearing spindle and machine calibration equipment, the Omega-X system permits a significant advance in the fabrication of optical-quality surfaces for use with the visible spectrum.

Citation Download Citation

D. M. Miller, G. H. Hauver, J. N. Culverhouse, and E. N. Greenwell "Description Of A Unique Machine Tool Permitting Achievement Of <15-Å rms Diamond-Turned Surfaces", Proc. SPIE 0163, Advances in Optical Production Technology II, (25 September 1979); https://doi.org/10.1117/12.956912

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