Saint Petersburg Mining University, Saint Petersburg, Russia

A. D. Khalimonenko, Associate Professor of the Mechanical Engineering Department, Candidate of Technical Sciences, e-mail: Khalimonenko_AD@pers.spmi.ru

V. G. Kufaev, postgraduate student of the Mechanical Engineering Department, e-mail: kufaev1999@mail.ru

JSC Diakont, Saint Petersburg, Russia
Yu. R. Shmakova, Process Engineer, e-mail: shmakova.1999@list.ru

Saint Petersburg University of the Humanities and Social Sciences, Saint Petersburg, Russia
O. N. Admakina, Senior Lecturer of the Department of Computer Science and Mathematics, e-mail: spszk1@yandex.ru

The article describes the studied opportunity of high-speed milling of deformable aluminum alloys. It reveals the features of high-speed milling in comparison with conventional milling methods. The first set of experiments during high-speed milling of deformable aluminum alloys revealed regularities between cutting force and cutting speed, when milling at constant feed per tooth of a milling cutter, milling width and depth. The second set of experiences revealed regularities between cutting force and cutting speed, when milling with constant feed per minute, milling width and depth. The studies determined regularities between roughness of the surfaces machined by high-speed milling and cutting speed at constant feed per tooth of a milling cutter and feed per minute. The analysis of data obtained in the course of the experiments showed that when maintaining constant feed per tooth and increasing cutting speed to values of high-speed milling, cutting force decreased by 1.5 times, and milling performance increased sharply. When feed per tooth decreases and feed per minute is constant, during high-speed milling cutting force decreases by over 2.5 times as compared with cutting modes during conventional milling. The results achieved in the course of the studies are proposed to be used in a practical operation of mechanical engineering plants and creating a database of cutting modes during high-speed milling of deformable aluminum alloys and other materials.

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