Design of an E-ELT M1 segment measurement machine with nanometer accuracy
| Autor: | te Mja Voert, Pcjn Nick Rosielle, M Maarten Steinbuch, R. Henselmans, A Bos |
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| Přispěvatelé: | Control Systems Technology |
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
Optical telescopes
OM - Opto-Mechatronics Computer science Measurement machine High Tech Systems & Materials European Extremely Large Telescope (E-ELT) Optical telescope law.invention Telescope Primary mirror Optics law Calibration Extremely Large Telescope Mechanics Materials and Structures Giant telescopes Electronics TS - Technical Sciences Industrial Innovation Ground-based astronomy business.industry Non-contact Segment metrology Measurement machines Machine design Uncertainty analysis Nanometre NANOMEFOS business Computer hardware |
| Zdroj: | Cunningham, C.R.Navarro, R.Barto, A.A., 9151 Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 22 June 2014, Montreal, Quebec, 1-12 STARTPAGE=1;ENDPAGE=12;TITLE=Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 22 June 2014, Montreal, Quebec |
| Popis: | The baseline design of the European Extremely Large Telescope features a telescope with a 39-meter-class primary mirror (M1), consisting of 798 hexagonal segments. A measurement machine design is presented based on a non-contact single-point scanning technique, capable of measuring the form error of each segment with nanometer uncertainty, fast, and with low operational costs. The implementation of a tactile precision probe eliminates the need for the CMM in the earlier segment manufacturing process. Preliminary assessment show nanometer-level uncertainty after calibration. |
| Databáze: | OpenAIRE |
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