Communication Dans Un Congrès Année : 2024

A numerical approach to investigate the influence of cutting fluid on tool wear in machining AISI 1045 steel

Résumé

Abstract. The proposed work presents the development of a numerical model to take into account cutting fluids when turning of an AISI 1045 steel with a TiN coated tool. At this stage, the study considered the impact of a cutting fluid only based on its thermal properties and ability to reduce friction. Three heat exchange scenarios were explored: dry machining (h = 20 W.m-2.K-1), use of a straight oil lubrication with low pressure (h = 200 W.m-2.K-1) and cooling with an emulsion based lubrication (h = 1000 W.m-2.K-1). Regarding friction, three levels of static friction (µs = 0.3, 0.5 and 0.7) have been considered. Following an analysis of thermomechanical loads (stress, sliding speed, and temperature) exerted on the tool, a Usui wear law was employed for each case to simulate cutting tool wear. Results indicate that friction exerts a significant impact compared to the convection coefficient.

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Dates et versions

hal-04937591 , version 1 (10-02-2025)

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Grégory Methon, Cédric Courbon, Frédéric Espinoux, Richard Frelechoux, Joël Rech. A numerical approach to investigate the influence of cutting fluid on tool wear in machining AISI 1045 steel. 27th International ESAFORM Conference on Material Forming, ESAFORM 2024, Clément Ader Institute (ICA, CNRS UMR 5312) and ENIT (ENI Tarbes – LGP Production Engineering Laboratory), Apr 2024, Toulouse, France. pp.2113-2122, ⟨10.21741/9781644903131-233⟩. ⟨hal-04937591⟩
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