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About this Abstract
Meeting 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Symposium 2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
Presentation Title A Variable Bead Geometry Approach for Improving Conformal Slicing in Wire Arc Additive Manufacturing
Author(s) Christopher Josol Masuo, Alex Arbogast, Michael Sebok, William Carter, Andrzej Nycz, Patxi Fernandez-Zelaia
On-Site Speaker (Planned) Christopher Josol Masuo
Abstract Scope Conformal slicing is an advanced toolpath generation method for complex curved geometries and is applicable to wire arc additive manufacturing (WAAM). It improves local geometric uniformity and enhances surface quality and resolution by reducing stair-stepping on curved surfaces. Further improvements in reducing stair-stepping can be achieved by varying bead geometry to control material distribution across regions of changing curvature, enabling consistent layer formation. This is implemented by tagging bead segments with appropriate deposition parameters. The approach was validated on a metal inert gas (MIG) WAAM system using two case studies: a toroidal geometry fabricated with the assistance of a two-axis positioner, and a pressure-vessel dome fabricated using a non-gravity-aligned torch approach.
Proceedings Inclusion? Undecided

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