About this Abstract |
Meeting |
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
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Symposium
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2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
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Presentation Title |
Towards Freeform Additive Manufacturing: Recent Improvements Made on ORNL Large Scale Metal Slicer to Meet the Challenges brought by Growing Complexity of Parts in Wire-arc Additive Manufacturing |
Author(s) |
Canhai Lai, Alex Waters, Chris Masuo, Andrzej Nycz, William Carter, Michael Sebok, Joshua Vaughan |
On-Site Speaker (Planned) |
Canhai Lai |
Abstract Scope |
ORNL Slicer is a slicing engine and graphical user interface (GUI) developed for large scale additive manufacturing at Manufacturing Demonstration Facility (MDF) of Oak Ridge National Laboratory (ORNL). An independent branch has been developed for the wire-arc additive manufacturing (WAAM) robotic- based technology. As the additive manufacturing technology advances and adapts to the geometrical complexity and customized design, many features have been added in the Slicer to address the complexities so that the 3D printing is optimized in characterizing geometric features with minimum mechanical and thermal stress. In this presentation, a few recently developed features will be introduced: flange cladding, multibody freeform, and multi-material profile, all building blocks of freeform transformation of building layers. This presentation will bring a few examples of wire-arc parts to illustrate how the newly developed features help to generate the desired toolpaths to meet the goals of freeform additive manufacturing. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |