Detection of deviations origins in a heat treatment process using Proper Orthogonal Decomposition (POD) basis

Laurent Vanoverberghe (1, 2) , Lucia Garcia-Aranda (2) , David Ryckelynck (3) , Yvan Chastel (1)

1 CEMEF - Centre de Mise en Forme des Matériaux
2 Renault
3 CDM - Centre des Matériaux

It is well know that the heat treatment step of gearbox cogwheel induces distortions of the parts. In addition, some deviations of this deformation are often observed, due to unknown changes of process parameters. These deviations, and more precisely the detection of their origin, are the subject of this paper. We propose here a methodology based on the projection of measurements after heat treatment on a POD (Proper Orthogonal Decomposition) basis, extracted from FEM computations. This information about deviation origin can help correct incriminated process parameters.

Mots clés: Heat treatment; Gear; Distortion; Proper Orthogonal Decomposition basis; Model reduction

Domaines: Science des matériaux [cond-mat.mtrl-sci]

Laurent Vanoverberghe, Lucia Garcia-Aranda, David Ryckelynck, Yvan Chastel. Detection of deviations origins in a heat treatment process using Proper Orthogonal Decomposition (POD) basis. 11th ESAFORM Conference on Material Forming, Apr 2008, Lyon, France. pp.Pages 1055-1058, ⟨10.1007/s12289-008-0200-3⟩. ⟨hal-00391672⟩