Abstract
Among the alternatives to reduce the application of cutting fluid in machining industry, minimum quantity lubrication (MQL) technique has been promising, although it can impair cooling properties and the ability of the fluid to penetrate the cutting region. In order to further reduce the quantity of oil and to improve the characteristics of the cooling lubrication method, this work aims to compare the effect of MQL with different ratios of oil/water (1:1, 1:3, and 1:5) on the performance of plunge cylindrical grinding of alumina. Lubricating effect and effective penetration of fluid in the cutting zone are considered the most relevant factors. The lowest surface roughness value was obtained with the application of conventional flood cooling, followed by MQL 1:1. In comparison to conventional MQL technique, reduced surface roughness and grinding wheel wear could be obtained by applying MQL with water.
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Acknowledgements
The authors would like to thank the Mechanical Engineering Department of the Faculty of Engineering of UNESP Bauru, the São Paulo Research Foundation (FAPESP) for financial support (grant numbers 2015/09197-7, 2015/09868-9, and 2017/03788-9), Dinser Ferramentas Diamantadas for the donation of the diamond grinding wheel, Máquinas Agrícolas Jacto S/A for the donation of the workpieces, and ITW Chemical Products Ltda. for the donation of the cutting fluids.
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Lopes, J.C., Ventura, C.E.H., Rodriguez, R.L. et al. Application of minimum quantity lubrication with addition of water in the grinding of alumina. Int J Adv Manuf Technol 97, 1951–1959 (2018). https://doi.org/10.1007/s00170-018-2085-8
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DOI: https://doi.org/10.1007/s00170-018-2085-8