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Closing the Metrology – Process Loop in CNC Polishing

Walker, David D., Yu, Guoyu, Li, Hongyu, Reynolds, Christina and Bibby, Matt (2016) Closing the Metrology – Process Loop in CNC Polishing. SPIE - International Society for Optical Engineering. Proceedings, 10009. ISSN 0277-786X

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We have previously described our work combining industrial robots and CNC polishing machines in a Cell, where a robot can play the dual roles of automating manual operations on the CNC platform(s), and provide an effective smoothing capability in its own right. We have drawn attention to the complementary properties of standard CNC and robot platforms, in regard to speed, acceleration and precision of motion, and first resonant frequency. In this paper, we report on new work extending the scope of a Cell to incorporate a metrology station, and demonstrate how the transfer and alignment of the part, and acquisition of metrology data, can very effectively be automated. We have also demonstrated an automated ability to probe the part on-machine and then incorporate the probing data in the CNC control file. The purpose of this is to assure true registration of the CNC coordinate frame with that of the part. These advances constitute key developments towards our ultimate vision of a fully autonomous manufacturing cell. The distinguishing features are i) the iterative nature of the processes deployed, where details of each process-step depend on analysis of the output of the preceding step, and ii) the flexibility in manufacturing different parts.

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Item Type: Article
Uncontrolled Keywords: optics, manufacturing, automation, robot, lens, mirror
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Schools: School of Computing and Engineering
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References: [1] Walker, D., Dunn, C., Yu, G., Bibby, M., Zheng, X., Xiao, Wu, H-Y., Li, H., Lu, C., “The role of robotics in computer controlled polishing of large and small optics”, Proc. SPIE conference, ‘Optical Manufacturing and Testing XI’, San Diego, Aug 2015, Paper 9575-12, (2015) [2] Walker, D., Bibby, M., Yu, G., Dunn, C., Gray, C., Rees, P., Zheng, X., Wu, H.Y., “The Marriage of Robots and Zeeko Machines – Steps Towards a Versatile, Automated, Manufacturing Cell”, Proc. 2nd European Seminar on Precision Optics Manufacturing, Teisnach Germany, April, (2015) in print [3] Walker, D., Yu, G., Bibby, M., Dunn, C., Li, H., Wu, H-Y., Xiao, Z., Zhang, P., J. Eur. Opt. Soc.-Rapid Vol. 11, 16005 pp1-7 (2016) [4] Walker, D., Yu, G., Gray, C., Rees, P., Bibby, M., Wu, H-Y., Zheng, X., “Process Automation in Computer Controlled Polishing”, Proceedings of 2015 ISAAT conference S. Korea, published in Applied Mechanics and Materials Vol. 806 (2015) pp 684-689, pub. Trans Tech Publications, Switzerland [5] Industrie 4.0: Mit dem Internet der Dinge auf dem Weg zur 4. industriellen Revolution, VDI-Nachrichten, April 2011 [6] Can be downloaded from
Depositing User: David Walker
Date Deposited: 10 Nov 2016 11:10
Last Modified: 28 Aug 2021 16:37


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