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Article Dans Une Revue Matériaux et Techniques Année : 2022

Post-processing of additive manufactured parts: a numerical strategy applied in maxillary implantology

Résumé

To obtain a functional part from additive manufacturing (AM) technologies, some surfaces require post-processing by machining. An approach is developed using additive manufacturing supports as a clamping device for the milling operation. A model combining an analytical approach to determine the cutting forces with a finite element model (FEM) to predict the dynamical response of the workpiece-supports system is proposed. The complex structure of the supports is homogenized with a simplified geometry with equivalent stiffness and mechanical properties. A case study from the biomedical field is proposed: the finishing operation of a custom-made maxillary reconstruction plate is simulated. A parametric study is proposed with: (1) two different lattice geometries used as support structures; (2) up and down milling; (3) different depths of cut.
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hal-03779549 , version 1 (16-09-2022)

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Paul Didier, Gael Le Coz, Boris Piotrowski, Pierre Bravetti, Pascal Laheurte, et al.. Post-processing of additive manufactured parts: a numerical strategy applied in maxillary implantology. Matériaux et Techniques, 2022, 110 (3), pp.304. ⟨10.1051/mattech/2022031⟩. ⟨hal-03779549⟩
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