Fabrication technique for the production of on- and off-axis conic surfaces of revolution (WAGNER)

Oliver W. Faehnle; Hedser H. van Brug; Hans Jan Frankena

doi:10.1117/12.279127

1 November 1997 Fabrication technique for the production of on- and off-axis conic surfaces of revolution (WAGNER)

Oliver W. Faehnle, Hedser H. van Brug, Hans Jan Frankena

Author Affiliations +

Proceedings Volume 3134, Optical Manufacturing and Testing II; (1997) https://doi.org/10.1117/12.279127
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

A new fabrication technique, derived from an earlier development to produce on- and off-axis optical surfaces of revolution is presented. Although based on a shape copying method, it is possible to generate different types of surfaces with the same machine tool. Load controlled point- contact machining is applied using a small tool which is guided along a pre-determined tool-path, not requiring an in-process tool-path control. This fabrication technique employs a self-correcting process and is characterized by an advantageous error propagation between tool and workpiece. The characteristics of this fabrication technique are discussed together with its application for the generation of on- and off-axis surfaces with conic sections as generators. The design of a first set-up for production of conic surfaces is presented with which it is possible to generate all kinds of conic surfaces on the same machine, featuring a pantograph enabling the production of different scales of the surfaces, together with the discussion of fist experimental data.

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Oliver W. Faehnle, Hedser H. van Brug, and Hans Jan Frankena "Fabrication technique for the production of on- and off-axis conic surfaces of revolution (WAGNER)", Proc. SPIE 3134, Optical Manufacturing and Testing II, (1 November 1997); https://doi.org/10.1117/12.279127

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KEYWORDS

Surface finishing

Fabrication

Polishing

Abrasives

Head

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Applied physics

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