New surface smoothing technologies for manufacturing of complex shaped glass components

Sebastian Henkel; Anne-Marie Schwager; Jens Bliedtner; Kerstin Götze; Edda Rädlein; Christian Schulze; Martin Gerhardt; Michael Fuhr

doi:10.1117/12.2277189

16 October 2017 New surface smoothing technologies for manufacturing of complex shaped glass components

Sebastian Henkel, Anne-Marie Schwager, Jens Bliedtner, Kerstin Götze, Edda Rädlein, Christian Schulze, Martin Gerhardt, Michael Fuhr

Author Affiliations +

Proceedings Volume 10448, Optifab 2017; 104480A (2017) https://doi.org/10.1117/12.2277189
Event: SPIE Optifab, 2017, Rochester, New York, United States

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 R_q = 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.

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Sebastian Henkel, Anne-Marie Schwager, Jens Bliedtner, Kerstin Götze, Edda Rädlein, Christian Schulze, Martin Gerhardt, and Michael Fuhr "New surface smoothing technologies for manufacturing of complex shaped glass components", Proc. SPIE 10448, Optifab 2017, 104480A (16 October 2017); https://doi.org/10.1117/12.2277189

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