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Friday, 15 November 2024

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Magnetorheological finishing

Magnetorheological finishing (MRF) is a precision surface finishing technology. Optical surfaces are polished in a computer-controlled magnetorheological (MR) finishing slurry. Unlike conventional rigid lap polishing, the MR fluid's shape and stiffness can be magnetically manipulated and controlled in real time. The optic's final surface form and finishing results are predicted through the use of computer algorithms.

Literature

W.I. Kordonski (2014). "Magnetorheological Fluid-Based High Precision Finishing Technology." Magnetorheology: Advances and Applications, Norman M. Wereley, Ed., RSC Smart Materials, Cambridge, UK, Chapter 11, 261-277. DOI:10.1039/9781849737548-00261

S.D. Jacobs, W.I. Kordonski, I.V. Prokhorov, D. Golini, G.R. Gorodkin, T.D. Strafford (2002). "Deterministic Magnetorheological Finishing." US Patent: US5449313A

Shorey et. al "Experiments and Observations Regarding the Mechanisms of Glass Removal in Magnetorheological Finishing", abstract and full text (pdf)

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This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Magnetorheological_finishing

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Latest News for: magnetorheological finishing

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Magnetic micro spinbots can perform ultraprecise surface polishing and cleaning

Phys Dot Org 20 Sep 2024

However, these systems come with significant drawbacks ... This method produces a mirror-smooth finish, rivaling state-of-the-art techniques like ion beam polishing and magnetorheological polishing, but at a fraction of the cost and equipment size ... DOI.

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Creating the world's largest SiC aspherical mirror

Phys Dot Org 26 Oct 2022

Aspherical components in optical systems can increase the free design variables without introducing new aberrations ... The largest magnetorheological finishing (MRF) polishing equipment has a maximum processing size of 2.5 m ... Explore further ... DOI ... Light.

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