Coherences between influence function size, polishing quality, and process time in magnetorheological finishing

Markus Schinhaerl; Andreas Geiss; Rolf Rascher; Peter Sperber; Richard Stamp; Lyndon Smith; Gordon Smith; Elmar Pitschke

doi:10.1117/12.678720

8 September 2006 Coherences between influence function size, polishing quality, and process time in magnetorheological finishing

Markus Schinhaerl, Andreas Geiss, Rolf Rascher, Peter Sperber, Richard Stamp, Lyndon Smith, Gordon Smith, Elmar Pitschke

Author Affiliations +

Proceedings Volume 6288, Current Developments in Lens Design and Optical Engineering VII; 62880Q (2006) https://doi.org/10.1117/12.678720
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Magnetorheological finishing (MRF) is a computer controlled polishing process (CCP), which is commonly used in the field of high quality optical lens production. The process uses the material removal characteristic of the polishing tool (influence function) and the surface error-profile to calculate individual, surface error-profile dependent polishing sequences. At the University of Applied Sciences Deggendorf a testing series with a magnetorheological finishing machine has been performed, and effects of the influence function size and its removal capacity on the polishing quality and the process time have been investigated. The result of the research shows that the influence function size has a major effect on the process time, whereas the polishing quality is nearly independent of the influence function size. During the testing series the process time was significantly reduced using an appropriate influence function size. The process time decreased about 9% relating to the original influence function.

Citation Download Citation

Markus Schinhaerl, Andreas Geiss, Rolf Rascher, Peter Sperber, Richard Stamp, Lyndon Smith, Gordon Smith, and Elmar Pitschke "Coherences between influence function size, polishing quality, and process time in magnetorheological finishing", Proc. SPIE 6288, Current Developments in Lens Design and Optical Engineering VII, 62880Q (8 September 2006); https://doi.org/10.1117/12.678720

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