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International Conference on Additive Manufacturing in Products and Applications

AMPA 2017: Industrializing Additive Manufacturing - Proceedings of Additive Manufacturing in Products and Applications - AMPA2017 pp 24–33Cite as

Exploring the Impact of Shape Complexity on Build Time for Material Extrusion and Material Jetting

Abstract

“Complexity for free” has often been claimed as one of the main opportunities of additive manufacturing (AM). Many examples have proven how, for highly complex and intricate geometries, additive manufacturing is the only available route. However, the implications that shape complexity has on part cost have not been thoroughly explored. This is especially relevant for series production where optimisation of building time can lead to significant cost savings. This study explores how shape complexity impacts build time in Material Extrusion (ME) and Material Jetting (MJ). A screening experiment is presented where the impact of ‘area’, ‘size’ and ‘increase in perimeter’ on build time is analysed. The results show that these three factors influence building time in ME, while only ‘size’ has a significant effect in MJ. Our results challenge the mainstream assumption that all AM processes provide “Complexity for free” while presenting preliminary indications on how to design efficient components for ME and MJ.

Keywords

  • Design for additive manufacturing
  • Shape complexity
  • Design for cost
  • Costing
  • Additive manufacturing

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Authors and Affiliations

  1. Loughborough Design School, Loughborough University, Loughborough, UK

    Patrick Pradel & Richard Bibb

  2. Department of Engineering, University of Cambridge, Cambridge, UK

    Zicheng Zhu & James Moultrie

Authors
  1. Patrick Pradel
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  2. Richard Bibb
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  3. Zicheng Zhu
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  4. James Moultrie
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Corresponding author

Correspondence to Patrick Pradel .

Editor information

Editors and Affiliations

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

    Prof. Dr. Mirko Meboldt

  2. Inspire AG, Zürich, Switzerland

    Dr. Christoph Klahn

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Pradel, P., Bibb, R., Zhu, Z., Moultrie, J. (2018). Exploring the Impact of Shape Complexity on Build Time for Material Extrusion and Material Jetting. 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_3

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  • DOI: https://doi.org/10.1007/978-3-319-66866-6_3

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-66865-9

  • Online ISBN: 978-3-319-66866-6

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