Communication Dans Un Congrès Année : 2025

Towards Efficient Monitoring for WAAM Processes on a Robotized and Reconfigurable Manufacturing Cell

Résumé

Wire Arc Additive Manufacturing (WAAM) is an efficient technology for producing metal parts. It offers high deposition rates, low material waste and reduced machining costs. However, the process's complex multi-physics nature presents several challenges, particularly with regard to residual stresses, deposition accuracy, and internal defects. Internal defects that occur during the WAAM process are difficult to detect in real time or immediately after fabrication without the use of non- destructive testing methods.

This study focuses on enhancing an experimental protocol that employs a monitoring method analysing the geometry of each deposited layer using a laser sensor. This approach, combined with segmentation techniques, aims to identify and locate internal defects. Specifically, the proposed method relies on segmenting individual layers and comparing normalised values to detect and localise defects. This paper presents the developed methodology and an initial validation of its effectiveness.

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Dates et versions

hal-05313147 , version 1 (14-10-2025)

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  • HAL Id : hal-05313147 , version 1

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Florian Alexander Hoeft, Sandra Zimmer-Chevret, Stéphane Mathieu, Paul Stief, Alexandre Sava. Towards Efficient Monitoring for WAAM Processes on a Robotized and Reconfigurable Manufacturing Cell. 26ème Congrès Français de Mécanique (CFM 2025), AFM - Association Française de Mécanique; LEM3 - Laboratoire d'Étude des Microstructures et de Mécanique des Matériaux; LEMTA - Laboratoire d'Energétique et de Mécanique Théorique et Appliquée; ENSAM - Ecole Nationale Supérieure d'Arts et Métiers; CNRS - Centre national de la recherche scientifique, Aug 2025, Metz, France. ⟨hal-05313147⟩
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