Abstract
This paper compares finite element model (FEM) simulations with experimental and analytical findings concerning precision radial turning of AISI D2 steel. FEM machining simulation employs a Lagrangian finite element-based machining model applied to predict cutting and thrust forces, cutting temperature and plastic strain distribution. The results show that the difference between the experimental and simulated cutting force is near 20%, irrespectively of the friction coefficient used in the simulation work (approximately 19.8% for a friction of 0.25% and 18.4% for the Coulomb approach). Concerning the thrust force, differences of about 22.4% when using a friction coefficient of μ = 0.25 and about 56.9% when using the Coulomb friction coefficient (μ = 0.378) were found. The maximum cutting temperature obtained using the analytical model is 494.07°C and the difference between experimentation and simulation methods is 15.2% when using a friction coefficient of 0.25 and when using the Coulomb friction only 3.1%. Regarding the plastic strain, the differences between analytical calculations and FEM simulations (for the presented friction values) suggest that the finite element method is capable of predictions with reasonable precision.
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Davim, J.P., Maranhão, C., Faria, P. et al. Precision radial turning of AISI D2 steel. Int J Adv Manuf Technol 42, 842–849 (2009). https://doi.org/10.1007/s00170-008-1644-9
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DOI: https://doi.org/10.1007/s00170-008-1644-9