Prediction of MRF polishing by classification of the initial error with Zernike polynomials

Elmar Pitschke; Peter Sperber; Richard Stamp; Rolf Rascher; Lyndon Smith; Melvyn Smith; Markus Schinhaerl

doi:10.1117/12.507652

22 December 2003 Prediction of MRF polishing by classification of the initial error with Zernike polynomials

Elmar Pitschke, Peter Sperber, Richard Stamp, Rolf Rascher, Lyndon Smith, Melvyn Smith, Markus Schinhaerl

Proceedings Volume 5180, Optical Manufacturing and Testing V; (2003) https://doi.org/10.1117/12.507652
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The magnetorheological finishing (MRF) process makes use of a magnetically stiffened magnetorheological abrasive fluid to polish the surface of a workpiece in a precise fashion. The process may be used to finish the surface of high quality optical lenses. Investigations have been undertaken to quantify the operation of MRF and to identify those parameters key to an optimal operation of this lens production process. A correlation has been developed to relate the parameters important to the removal characteristics and to the precision of the polishing result and to the duration of polishing. A relationship to indicate the most appropriate MRF processing parameters for a lens is presented. In the examples discussed Fringe-Zernike polynomials are used to quantify the error on a lens.

Citation Download Citation

Elmar Pitschke, Peter Sperber, Richard Stamp, Rolf Rascher, Lyndon Smith, Melvyn Smith, and Markus Schinhaerl "Prediction of MRF polishing by classification of the initial error with Zernike polynomials", Proc. SPIE 5180, Optical Manufacturing and Testing V, (22 December 2003); https://doi.org/10.1117/12.507652

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