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The research leading to these results has received funding from the commissioned task entitled “VIA CARPATIA Universities of Technology Network named after the President of the Republic of Poland Lech Kaczyński” under the special purpose grant from the Minister of Education and Science, contract no. MEiN/2022/DPI/2575, as part of the action “In the neighborhood—inter-university research internships and study visits”.
Magnesium alloys are an important group of materials that are used in many industries,
primarily due to their low weight. Constantly increasing quality requirements make it necessary
to improve the accuracy of manufactured products. In this study, the precision milling process for
AZ91D and AZ31B magnesium alloys was investigated, and the results obtained with uncoated
and TiB2-coated end mills were compared. The impact of variable cutting parameters was also
investigated. Specifically, the study focused on the dimensional accuracy of the machined parts. The
results showed that even though the dimensional accuracy obtained in milling both magnesium
alloys was comparable, it was higher in the case of the AZ31B alloy by up to 22%. The study
also demonstrated that the use of the TiB2 coating did not have the desired effect and that higher
dimensional accuracy up to 27% was obtained with the uncoated tool.
