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Sep 2026

A coupled thermo-mechanical framework for modeling and compensating workspace-dependent thermal errors in gantry-type FDM printers

Thermal errors in fused deposition modeling (FDM) machines can reduce dimensional accuracy by altering the nozzle position due to non-uniform heating of the nozzle and the build platform. While previous studies have mainly emphasized part distortion, the workspace-dependent thermal deformation of the printer structur...

R. Behera, T. Chan · 0 citations
Sep 2026

Bayesian-optimized hybrid CNN–RNN framework for high-fidelity prediction of spindle thermal deformation in CNC machine tools

Thermal drift is a major source of dimensional inaccuracy in CNC machine tools. This study presents an integrated framework that combines finite element (FE) thermal validation, synchronized multi-sensor temperature and displacement measurements, and Bayesian optimization of hybrid deep learning architectures for axi...

Aman Ullah, Ihsan Uluocak, T. Chan et al. · 0 citations
Oct 2026

Modal-Validated Topology Optimization of a Vertical Grinding Machine and Predictive Diagnostics

Finite element analysis (FEA) is used to investigate the modal characteristics of a vertical grinding machine, with the aim of aligning simulation conditions with real-world phenomena. Experiments were conducted using a percussion hammer, accelerometer, and spectrum analyzer to validate the findings. The analysis cover...

T. Chan, Sheng-Lung L. Huang, Li-Yuan Chang et al. · 0 citations

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