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Evolution of Design Guidelines for Additive Manufacturing - Highlighting Achievements and Open Issues by Revisiting an Early SLM Aircraft Bracket

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Industrializing Additive Manufacturing - Proceedings of Additive Manufacturing in Products and Applications - AMPA2017 (AMPA 2017)

Abstract

Design knowledge is important for the success of new technologies. This is especially true for Additive Manufacturing technologies like Selective Laser Melting (SLM), which offer a higher degree of freedom, but also very different restriction in design compared to conventional manufacturing technologies. An analysis of current and previous designs from aerospace and motorsports identifies important drivers in Design for Additive Manufacturing. To visualize the advances in design knowledge an SLM aircraft bracket is re-designed based on today’s state of the art almost 10 years after its initial design for additive manufacturing. The analysis reveals important factors for a “good” design. In early designs the focus of engineers was on the manufacturability of the part itself, while the capabilities of CAD tools limited the designer. Nowadays designs show a more holistic view on the manufacturing process chain and the part’s application, e.g. by integrating provisions for conventional post-processing and fatigue optimized shapes and surfaces. Some issues are still open and need to be addressed in the next generation of guidelines, tools and equipment.

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Authors and Affiliations

  1. Inspire AG, Zürich, Switzerland

    Christoph Klahn

  2. ETH Zurich, Product Development Group Zurich pd|z, Zürich, Switzerland

    Daniel Omidvarkarjan & Mirko Meboldt

Authors
  1. Christoph Klahn
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  2. Daniel Omidvarkarjan
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  3. Mirko Meboldt
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Correspondence to Christoph Klahn .

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Editors and Affiliations

  1. pd|z Product development Group Zurich, ETH Zürich, Zürich, Switzerland

    Mirko Meboldt

  2. Inspire AG, Zürich, Switzerland

    Christoph Klahn

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Klahn, C., Omidvarkarjan, D., Meboldt, M. (2018). Evolution of Design Guidelines for Additive Manufacturing - Highlighting Achievements and Open Issues by Revisiting an Early SLM Aircraft Bracket. In: Meboldt, M., Klahn, C. (eds) Industrializing Additive Manufacturing - Proceedings of Additive Manufacturing in Products and Applications - AMPA2017. AMPA 2017. Springer, Cham. https://doi.org/10.1007/978-3-319-66866-6_1

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  • DOI: https://doi.org/10.1007/978-3-319-66866-6_1

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  • Print ISBN: 978-3-319-66865-9

  • Online ISBN: 978-3-319-66866-6

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