Experiences In The Precision Machining Of Grazing Incidence X-Ray Mirror Substrates

P. A. McKeown; R. F. J. Read; W. J. Wills-Moren

doi:10.1117/12.950379

21 February 1986 Experiences In The Precision Machining Of Grazing Incidence X-Ray Mirror Substrates

P. A. McKeown, R. F. J. Read, W. J. Wills-Moren

Proceedings Volume 0571, Large Optics Technology; (1986) https://doi.org/10.1117/12.950379
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

Abstract

A brief description is given of the successful development of a large computer controlled machine for diamond turning aluminium alloy X-ray mirror substrates (1.5 m (60 in.) dia., 600 mm (24 in.) axial length). The in situ metrology facility for axial profile, round-ness and diameter measurement is described, together with the technique for automatic programming of the final tool path to compensate for errors of workpiece deflection, tool setting and edge radius, etc.. Examples are based on the ROSAT and SXT mirrors for which the axial and radial location/mounting surfaces are produced with precise reference to the reflecting surfaces. Adaptation of this type of precision machine/metrology facility to the production of glass ceramic optical components is also discussed.

Citation Download Citation

P. A. McKeown, R. F. J. Read, and W. J. Wills-Moren "Experiences In The Precision Machining Of Grazing Incidence X-Ray Mirror Substrates", Proc. SPIE 0571, Large Optics Technology, (21 February 1986); https://doi.org/10.1117/12.950379

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