Kalchenko, V., Kalchenko, V., Sira, N., Kuzhelnyi, Y. and Vynnyk, V. 2020. Research of the milling process of a cylindrical surface by an oriented instrument. Technology audit and production reserves. 3, 1(53) (Jun. 2020), 16–18. DOI:https://doi.org/10.15587/2706-5448.2020.202793.