16 - 21 June 2024
Yokohama, Japan
Conference 13100 > Paper 13100-1
Paper 13100-1

Manufacturing ELT M1 segments: large optics in a smart factory

16 June 2024 • 10:20 - 10:35 Japan Standard Time | Room G214, North - 2F

Abstract

In 2017, the European Southern Observatory (ESO) awarded a contract for the Polishing, integration and final figuring of the Segment Assemblies of the primary mirror (M1) for the Extremely Large Telescope (ELT) to Safran Reosc. Since then, the design and commissioning of a production unit dedicated to ELT M1 has been accomplished and the plant has been producing many mirrors since spring 2022. We will introduce the smart factory, its processes and their automation that enabled reaching the current throughput of one mirror per day. We will then present the status of the project, some lessons learned and highlight the successes that have been achieved so far.

Presenter

Camille Frapolli
Safran Reosc (France)
After a PhD in physics at the Ecole Normale Supérieure, Camille Frapolli joined Safran REOSC in 2017 as a metrology engineer. He worked on the development of several ELT test benches until 2020, when he became the chief engineer on ELT M1. Since 2023, he is also leading the optical design and new test benches development team at Safran REOSC.
Presenter/Author
Camille Frapolli
Safran Reosc (France)
Author
Safran Reosc (France)
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Safran Reosc (France)
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Gilles Chaussat
Safran Reosc (France)
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Safran Reosc (France)
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Safran Reosc (France)
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Safran Electronics & Defense (France)
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Alain Denis
Safran Electronics & Defense (France)
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Sebastien Julienne
Safran Electronics & Defense (France)
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Safran Electronics & Defense (France)