About this Abstract |
| Meeting |
2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
|
| Symposium
|
2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
|
| Presentation Title |
Topology and Orientation Optimized-Inspired Toolpath Planning for Continuous Fiber Material Extrusion |
| Author(s) |
Joseph R. Kubalak |
| On-Site Speaker (Planned) |
Joseph R. Kubalak |
| Abstract Scope |
Topology and orientation optimization (TOO) simultaneously designs part geometry and local material orientations to maximize structural performance, but the resulting designs must be interpreted for manufacturing. Due to strict adherence to the optimized geometry’s boundaries, existing alignment-based material extrusion (MEX) slicers produce poor quality toolpaths (especially for continuous fiber-reinforced (CFR) materials). Topology optimization-inspired design is a technique in which the optimized geometry is manually edited by a user to improve manufacturability while retaining structural performance. In this work, we adapt this concept to MEX toolpaths. Bézier splines are used as a toolpath planning primitive and are softly fit to the optimized design while ensuring highly continuous, well-aligned, and consistently spaced deposition paths. This representation also allows the user to manually edit the output toolpath (via spline control points) to tune it for manufacturability. CFR-MEX toolpaths are generated using this method, and printed articles are compared to other alignment-based techniques. |
| Proceedings Inclusion? |
Planned: Post-meeting proceedings |