About this Abstract |
Meeting |
2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
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Symposium
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2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
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Presentation Title |
Data-Driven Orientation Strategies for Manufacturing of Topology Optimized Parts Using Laser Powder Bed Fusion |
Author(s) |
Molly Auer, Jenna Childress, Juan Machado, Nathan Hertlein, Hannah Budinoff |
On-Site Speaker (Planned) |
Molly Auer |
Abstract Scope |
Laser powder bed fusion (LPBF) is a powerful metal additive manufacturing technique used to produce topology optimized (TO) structures, but the complex shapes of TO structures can lead to increased rates of build failure. While guidance for selecting build orientation of prismatic shapes for LPBF exists, it is not clear if this guidance is applicable to TO structures. This analysis draws on a dataset of several thousand TO parts with wide-ranging geometries and loading conditions. Metrics including support volume, build time, and process-induced distortion are computed using LPBF analysis tools and finite element process simulations. These metrics are computed for a range of orientations for each part and trends across parts are identified. The present study will provide practical, general guidance on how build orientation decisions can minimize support volume, build time, and distortion for TO parts, effectively saving time and material and improving the likelihood of print success. |
Proceedings Inclusion? |
Planned: Post-meeting proceedings |