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30 July 2024 Development of individually designed, additively manufactured fine grinding tools with a hybrid bond for processing inorganic, non-metallic materials
Monique Knauf, Franz Katzer, Sebastian Henkel, Toni Wille, Jens Bliedtner, Martin Gerhardt, Albert Kerber
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Proceedings Volume 13221, Eleventh European Seminar on Precision Optics Manufacturing; 132210F (2024) https://doi.org/10.1117/12.3030971
Event: Eleventh European Seminar on Precision Optics Manufacturing (POM24), 2024, Teisnach, Germany
Abstract
In this article, a concept for the additive manufacturing (AM) of ultra-fine grinding tools is presented, which enables a flexible and efficient production with defined surface properties (e.g. grain size, concentration, integrated cooling channels). The basis of this innovative concept is a newly developed filament consisting of a compound of polyamide 12 (PA12), zirconium oxide particles (ZrO2) and integrated diamond grains with an average grain size of 15 μm. The overall aim of the investigations is to examine the behavior and properties of these tools during a CNC machining process in relation to conventional resin-bonded tools so that quality, process efficiency and cost-effectiveness can be optimized. Using different additive manufacturing parameters, tools are produced by fused layer modelling (FLM) and tested in a fine grinding process on planar fused silica samples. The grinding tests show that it is possible to produce reflective, transparent surfaces with high surface qualities. In addition, reproducible surface roughness (Rq = 10.5 - 13.5 nm) can be generated, which, compared to the initial ground surface of the samples, results in a reduction in surface roughness of 97 - 98 %. Furthermore, partially better-quality results are achieved with the new tools compared to a conventional resin-bonded tool, which demonstrates the promising potential of additively manufactured fine grinding tools.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Monique Knauf, Franz Katzer, Sebastian Henkel, Toni Wille, Jens Bliedtner, Martin Gerhardt, and Albert Kerber "Development of individually designed, additively manufactured fine grinding tools with a hybrid bond for processing inorganic, non-metallic materials", Proc. SPIE 13221, Eleventh European Seminar on Precision Optics Manufacturing, 132210F (30 July 2024); https://doi.org/10.1117/12.3030971
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KEYWORDS
Additive manufacturing
Diamond
Manufacturing
Silica
Surface roughness
3D printing
Digital Light Processing
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