Hermite Quartic Splines for Smoothing and Sampling a Roughing Curvilinear Spiral Toolpath

Autor: Cédric Leroy, Sylvain Lavernhe, Édouard Rivière-Lorphèvre

Publikováno v: Applied Sciences, Vol 14, Iss 17, p 7492 (2024)

From an industrial point of view, the milling of 2.5D cavities is a frequent operation, consuming time and presenting optimization potential, especially through a judicious choice of the tool trajectory. Among the different types of trajectories, som

Externí odkaz: https://doaj.org/article/8d7b6a6aa4ac42dab3228f9529adfd71

A flash-based thermal simulation of scanning paths in LPBF additive manufacturing

Autor: Sylvain Lavernhe, Kamel Ettaieb, Christophe Tournier

Publikováno v: Rapid Prototyping Journal
Rapid Prototyping Journal, Emerald, 2021, ahead-of-print (ahead-of-print), ⟨10.1108/RPJ-04-2020-0086⟩

Purpose This paper aims to propose an analytical thermal three-dimensional model that allows an efficient evaluation of the thermal effect of the laser-scanning path. During manufacturing by laser powder bed fusion (LPBF), the laser-scanning path inf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6641e1058debc0c1bf4d47530ca27b6d
https://hal.archives-ouvertes.fr/hal-03196247/document

Freeform Machining Features: New Concepts and Classification

Autor: Soumiya Bendjebla, Na Cai, Nabil Anwer, Charyar Mehdi-Souzani, Sylvain Lavernhe

Publikováno v: CIRP ICME'17. 11th CIRP Conference on Intelligent Computation in Manufacturing Engineering
CIRP ICME'17. 11th CIRP Conference on Intelligent Computation in Manufacturing Engineering, Jul 2017, Gulf of Naples, Italy. ⟨10.1016/j.procir.2017.12.248⟩

International audience; During the last decades, many researches and applications have been conducted on machining features modeling and classification. Althoughseveral approaches have been used in the domain of Computer-Aided Process Planning (CAPP)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a1629cf49c126784de5af5cbb838c11
https://doi.org/10.1016/j.procir.2017.12.248

Receding Horizon Based Offline Gain Adjustment for Contour Error Reduction in High Speed Milling

Autor: Christophe Tournier, Sylvain Lavernhe, Didier Dumur, Tan-Quang Duong, Pedro Rodriguez-Ayerbe

Publikováno v: Procedia CIRP
CIRP ICME ’16-10th CIRP Conference on Intelligent computation in manufacturing engineering
CIRP ICME ’16-10th CIRP Conference on Intelligent computation in manufacturing engineering, Jul 2016, Ischia, Italy
HAL
Procedia CIRP, ELSEVIER, 2017, 62, pp.227-232. ⟨10.1016/j.procir.2016.06.040⟩

International audience; This paper presents an Off-line Gain Adjustment (OGA) approach to reduce contour error in 5-axis high speed machining. The proposed contour error formulation is based on the estimation of tool contact points and the OGA is ins

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::596961080e1ce8b412c6b9c622e9443b
https://doi.org/10.1016/j.procir.2016.06.040

Implicit modeling of abrasion process based on potential field

Autor: Sylvain Lavernhe, Christophe Tournier, Charly Euzenat

Publikováno v: Computer-Aided Design
Computer-Aided Design, Elsevier, 2019, 110, pp.69-77

International audience; This article presents a novel numerical model to generate abrasion surface topography. The main difficulty encountered regarding abrasion simulation is the numerical complexity caused by the number of interactions. In addition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d53f37577e2d2e7a0e5b0a1e1c957228
https://hal.archives-ouvertes.fr/hal-02013498