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Navarro, Ramón; Burge, James H.; Yu, Guoyu; Wu, Hsing-Yu; Walker, David D.; Zheng, Xiao; Li, Hongyu; Dunn, Christina; Gray, Caroline (2016)
Languages: English
Types: Unknown
Subjects: TS
After the formal acceptance of our fabrication of E-ELT segments, we aim to further accelerate the mass production by introducing an intermediate grolishing procedure using industrial robots, reducing the total process time by this much faster and parallel link. In this paper, we have presented research outputs on tool design, tool path generation, study of mismatch between rigid, semi-rigid tool and aspheric surface. It is indicated that the generation of mid-spatial frequency is proportional to the grit size and misfit between work piece and tool surfaces. Using a Non-Newtonian material tool with a spindle speed of 30 rpm has successfully reduce the mid-spatial error. The optimization of process parameters involve the study the combination effects of the above factors. These optimized parameters will result in a lookup table for reference of given input surface quality. Future work may include the higher spindle speed for grolishing with non- Newtonian tool looking for potential applications regarding to form correction, higher removal rate and edge control
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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    • [4] D.W Kim, J.H. Burge, 'Rigid Conformal Polishing Tool Using Non-Linear Visco-Elastic Effect', Optics Express, published by Optical Society of America on http://www.opticsexpress.org/. (2010) Vol. 18 No. 3, pp2242-2257.
    • [5] David Walker, Christina Dunn, Guoyu Yu, Matt Bibby, Xiao Zheng, Hsing Yu Wu, Hongyu Li, Chunlian Lu, "The role of robotics in computer controlled polishing of large and small optics", Proc. SPIE 9575, Optical Manufacturing and Testing XI, 95750B (August 27, 2015); doi:10.1117/12.2189203.
    • [6] D. D. Walker, G. Yu, M. Bibby, C. Dunn, H. Li, H. Y. Wu, X. Zheng, P. Zhang, "Robotic Automation in Computer Controlled Polishing", Journal of the European Optical Society - Rapid publications, 11, 16005- 16012 (2016).
    • [7] D. Walker, G. Y. Yu, C. Gray, P. Rees, M. Bibby, H. Y. Wu, X. Zheng, "Process Automation in Computer Controlled Polishing", Advanced Materials Research, 1136, 684-689 (2016).
    • [8] Dae Wook Kim and James H. Burge, "Rigid conformal polishing tool using non-linear visco-elastic effect," Opt. Express 18, 2242-2257 (2010).
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