Serafeim Baltadouros, Bert Lauwers
Early-stage manufacturability assessment reduces design iterations and costly downstream changes. This paper presents a GPU-accelerated geometric analysis method that evaluates CNC machinability and setup requirements directly from CAD files. A multi-stage pipeline uses hemispherical ray-casting to quantify surface accessibility, followed by directional variability analysis to extract dominant machining axes. Threshold-based classification determines 3-axis versus multi-axis machining. For 3-axis parts, orthogonal ray-casting and reachability optimization compute the minimum setup count and explicitly flag inaccessible surfaces. Validation cases show computation times sufficiently short to support interactive CAD workflows, enabling quantitative manufacturability feedback during the design stage without requiring manufacturing expertise.
@article{69f825c5-e577-4720-99cd-9b3a5bb41f67,
title={Hemispherical Ray-Casting Analysis for Milling Configuration Classification and Machinability Assessment},
author={Serafeim Baltadouros and Bert Lauwers},
year={2026},
language={en}
}TY - JOUR TI - Hemispherical Ray-Casting Analysis for Milling Configuration Classification and Machinability Assessment AU - Serafeim Baltadouros AU - Bert Lauwers PY - 2026 LA - en ER -
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