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Analysis of the micro turning process in the Ti-6Al-4V titanium alloy

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Abstract

The great challenge of the modern industry is carrying out an online prediction in the shop floor during the machining to define the exact instant of tool breakage and simultaneously improve the quality of manufactured products. This work shows a study to examine the effect of the feed rate, depth of cut, cooling system, and type of tool on the responses: surface roughness, passive force (Fp), feed rate force (Ff), cutting force (Fc), and micro hardness in the turning of Ti-6Al-4V titanium alloy. Experimental tests were carried out with workpieces 4 mm in diameter, and the surface roughness, micro hardness, and cutting efforts were analyzed. The analysis of variance was used to define the influence of input parameters on the responses. The results showed that the lowest surface roughness was achieved using the carbide tool with code TPMT and the lower input parameters, but the most important parameter was feed rate. The cutting efforts were influenced by feed rate and depth of cut. On the other hand, the cooling system does not show good efficiency in the cutting efforts. However, the geometry of the tool and the Minimum Quantity Lubrication system were more effective to cause the hardening in micro scale at the surface of the material.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Centre for Innovation in Sustainable Manufacturing, Federal University of São João del Rei, Praça Frei Orlando, São João del-Rei, 170, Brazil

    Juliano Aparecido de Oliveira, Sergio Luiz Moni Ribeiro Filho & Lincoln Cardoso Brandão

  2. Department of Mechanical Engineering, University of Aveiro, Campus Santiago, 3810-193, Aveiro, Portugal

    Carlos Henrique Lauro

Authors
  1. Juliano Aparecido de Oliveira
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  2. Sergio Luiz Moni Ribeiro Filho
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  3. Carlos Henrique Lauro
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  4. Lincoln Cardoso Brandão
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Correspondence to Lincoln Cardoso Brandão.

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de Oliveira, J.A., Ribeiro Filho, S.L.M., Lauro, C.H. et al. Analysis of the micro turning process in the Ti-6Al-4V titanium alloy. Int J Adv Manuf Technol 92, 4009–4016 (2017). https://doi.org/10.1007/s00170-017-0449-0

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  • DOI: https://doi.org/10.1007/s00170-017-0449-0

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