[en] Fused Filament Fabrication (FFF) is an additive manufacturing process based on Material Extrusion (MEX) of polymeric filament. This manufacturing technology is commonly used for personalized production applications and prototyping, allowing to obtain customized parts with complex geometries at a low cost. However, this production technique has its limitations regarding dimensional accuracy and surface roughness of the final parts. To overcome these limitations, finish milling is considered to be a promising technique as it is widely used for metallic parts. Yet, the specific thermal properties of polymers such as low thermal conductivity and low melting temperature are adding a challenge in the determination of optimal cutting conditions. In this context, the use of cutting fluid could be the key to keep the material from melting during milling. Therefore, this paper proposes to compare the impact of using a compressed air flow to dry conditions on the cutting forces and the surface quality obtained on 3D-printed polylactide (PLA) parts. The qualification test of the tool-material couple standard (NF E 66-520-6) will be used as a guideline to determine the relevance of cutting fluid use for cutting conditions varying around an operating point. Moreover, simulated cutting forces using a mechanistic model will be compared to experimental data to evaluate the applicability of the model.
Disciplines :
Mechanical engineering
Author, co-author :
Lorenzoni, Margaux ; Université de Mons - UMONS > Faculté Polytechnique > Service de Génie Mécanique
Spitaels, Laurent ; Université de Mons - UMONS > Faculté Polytechnique > Service de Génie Mécanique
Rivière, Edouard ; Université de Mons - UMONS > Faculté Polytechnique > Service de Génie Mécanique
Odent, Jérémy ; Université de Mons - UMONS > Faculté des Sciences > Service des Matériaux Polymères et Composites
M'Saoubi, Rachid; R&D Material and Technology Development, Seco Tools AB, Fagersta, Sweden ; Department of Mechanical Engineering Sciences, Division of Production and Materials Engineering, Lund University, Lund, Sweden
Cloëz, Liam; FEMTO-ST Institute-Applied Mechanics Dept., Université de Franche-Comté-SUPMICROTECH-CNRS, Besançon, France
Fontaine, Michaël; FEMTO-ST Institute-Applied Mechanics Dept., Université de Franche-Comté-SUPMICROTECH-CNRS, Besançon, France
Ducobu, François ; Université de Mons - UMONS > Faculté Polytechnique > Service de Génie Mécanique
Language :
English
Title :
Investigation on cutting fluid use in finish milling of polylactide (PLA) 3D-printed parts
Publication date :
15 May 2025
Journal title :
Procedia CIRP
ISSN :
2212-8271
Publisher :
Elsevier, Netherlands
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
F707 - Génie Mécanique S816 - Matériaux Polymères et Composites
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
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