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The research was financed in the framework of the Lublin University of Technology-Regional Excellence
Initiative project, funded by the Polish Ministry of Science and Higher Education (contract no. 030/RID/2018/19)
In this study, the effect of cutting parameters on the quality of an Al/CFRP sandwich structure(aluminium alloy–carbon fibre reinforced polymer) after milling with uncoated and TiAlN-coatedtools was examined. The results of the cutting force were also investigated. The research wasconducted in a VMC 800 HS vertical machining centre with a variable cutting speed and feed.The milling process was carried out using a non-coated, two-blade carbide milling cutter with a 35◦helix angle and an analogous tool with a TiAlN coating. The surface quality was characterised interms of the height deviation, which is one of the shape deviations after machining hybrid materials.The research showed that the maximum (77.60μm) and minimum (1.78μm) values of the heightdeviations were obtained using the tool with a TiAlN coating. It was found that the tested factorshad significant effects on the height deviation, where the feed had the greatest influence and thecutting speed had the lowest influence on the surface quality. The tested factors were not statisticallysignificant in terms of the cutting force.
