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Micromachines
Volume 13
Issue 7
10.3390/mi13071079
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Article

Study of the Influence of Cutting Edge on Micro Cutting of Hardened Steel Using FE and SPH Modeling

by
Lobna Chaabani
1,*,
Romain Piquard
2,
Radouane Abnay
1,
Michaël Fontaine
1,
Alexandre Gilbin
1,
Philippe Picart
1,
Sébastien Thibaud
1,
Alain D’Acunto
2 and
Daniel Dudzinski
2
1
Applied Mechanics Department, FEMTO-ST Institute (UMR CNRS 6174), Bourgogne Franche-Comté University (UFC/ENSMM), 25000 Besançon, France
2
LEM3 Laboratory (UMR CNRS 7239), T-PRIOM Department, Lorraine University, Arts & Métiers ParisTech, 57070 Metz, France
*
Author to whom correspondence should be addressed.
Micromachines 2022, 13(7), 1079; https://doi.org/10.3390/mi13071079
Submission received: 1 March 2022 / Revised: 3 June 2022 / Accepted: 28 June 2022 / Published: 7 July 2022
(This article belongs to the Special Issue Micro and Nano Manufacturing (WCMNM 2021))
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Abstract

Micromachining allows the production of micro-components with complex geometries in various materials. However, it presents several scientific issues due to scale reduction compared to conventional machining. These issues are called size effects. At this level, micromachining experiments raise technical difficulties and significant costs. In this context, numerical modeling is widely used in order to study these different size effects. This article presents four different numerical models of micro-cutting of hardened steel, a Smooth Particle Hydrodynamics (SPH) model and three finite element (FE) models using three different formulations: Lagrangian, Arbitrary Eulerian–Lagrangian (ALE) and Coupled Eulerian–Lagrangian (CEL). The objective is to study the effect of tool edge radius on the micro-cutting process through the evolution of cutting forces, chip morphology and stress distribution in different areas and to compare the relevance of the different models. First, results obtained from two models using FE (Lagrangian) and SPH method were compared with experimental data obtained in previous work. It shows that the different numerical methods are relevant for studying geometrical size effects because cutting force and stress distribution correlate with experimental data. However, they present limits due to the calculation approaches. For a second time, this paper presents a comparison between the four different numerical models cited previously in order to choose which method of modeling can present the micro-cutting process.
Keywords: micromachining; 41NiCrMo7 steel; finite element modeling; CEL; ALE; SPH modeling; cutting edge radius; cutting force; chip morphology micromachining; 41NiCrMo7 steel; finite element modeling; CEL; ALE; SPH modeling; cutting edge radius; cutting force; chip morphology

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MDPI and ACS Style

Chaabani, L.; Piquard, R.; Abnay, R.; Fontaine, M.; Gilbin, A.; Picart, P.; Thibaud, S.; D’Acunto, A.; Dudzinski, D. Study of the Influence of Cutting Edge on Micro Cutting of Hardened Steel Using FE and SPH Modeling. Micromachines 2022, 13, 1079. https://doi.org/10.3390/mi13071079

AMA Style

Chaabani L, Piquard R, Abnay R, Fontaine M, Gilbin A, Picart P, Thibaud S, D’Acunto A, Dudzinski D. Study of the Influence of Cutting Edge on Micro Cutting of Hardened Steel Using FE and SPH Modeling. Micromachines. 2022; 13(7):1079. https://doi.org/10.3390/mi13071079

Chicago/Turabian Style

Chaabani, Lobna, Romain Piquard, Radouane Abnay, Michaël Fontaine, Alexandre Gilbin, Philippe Picart, Sébastien Thibaud, Alain D’Acunto, and Daniel Dudzinski. 2022. "Study of the Influence of Cutting Edge on Micro Cutting of Hardened Steel Using FE and SPH Modeling" Micromachines 13, no. 7: 1079. https://doi.org/10.3390/mi13071079

APA Style

Chaabani, L., Piquard, R., Abnay, R., Fontaine, M., Gilbin, A., Picart, P., Thibaud, S., D’Acunto, A., & Dudzinski, D. (2022). Study of the Influence of Cutting Edge on Micro Cutting of Hardened Steel Using FE and SPH Modeling. Micromachines, 13(7), 1079. https://doi.org/10.3390/mi13071079

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