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This paper presents a study on determining optimum parameters for lubrication in external grinding process. In the study, experiments were designed by using Taguchi technique. The experiments were set up with Oemeta Unimet AS 192 lubricant, Al2O3 grinding wheel and the workpiece material of tool steel 9CrSi. From the results of the experiments, the influences of coolant parameters on the surface roughness were analyzed. It was found that the concentration of lubricant was the most impact, the second is flow rate and the coolant pressure has little impact on the surface roughness. Also, the optimum parameters of lubrication for getting minimum surface roughness were proposed.
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Tu et al. (2019) studied this question.
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