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New surface smoothing technologies for manufacturing of complex shaped glass components
Author(s): Sebastian Henkel; Anne-Marie Schwager; Jens Bliedtner; Kerstin Götze; Edda Rädlein; Christian Schulze; Martin Gerhardt; Michael Fuhr
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Paper Abstract

The production of complex glass components with 2.5D or 3D-structures involves great effort and the need for advanced CNC-technology. Especially the final surface treatment, for generation of transparent surfaces, represents a timeconsuming and costly process. The ultrasonic-assisted grinding procedure is used to generate arbitrary shaped components and freeform-surfaces. The special kinematic principle, containing a high-frequency tool oscillation, enables efficient manufacturing processes. Surfaces produced in this way allow for application of novel smoothing methods, providing considerable advantages compared to classic polishing. It is shown, that manufacturing of transparent glass surfaces with low roughness down to Rq = 10 nm is possible, using an ultra-fine grinding process. By adding a CO2-laser polishing process, roughness can be reduced even further with a very short polishing time.

Paper Details

Date Published: 16 October 2017
PDF: 8 pages
Proc. SPIE 10448, Optifab 2017, 104480A (16 October 2017); doi: 10.1117/12.2277189
Show Author Affiliations
Sebastian Henkel, Ernst-Abbe-Hochschule Jena (Germany)
Anne-Marie Schwager, Ernst-Abbe-Hochschule Jena (Germany)
Jens Bliedtner, Ernst-Abbe-Hochschule Jena (Germany)
Kerstin Götze, Ernst-Abbe-Hochschule Jena (Germany)
Edda Rädlein, Technische Univ. Ilmenau (Germany)
Christian Schulze, Ernst-Abbe-Hochschule Jena (Germany)
Martin Gerhardt, Günter Effgen GmbH (Germany)
Michael Fuhr, Günter Effgen GmbH (Germany)


Published in SPIE Proceedings Vol. 10448:
Optifab 2017
Julie L. Bentley; Sebastian Stoebenau, Editor(s)

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