face milling, surface roughness, back-cutting of milling tool, secondary material removal


In machining with defined cutting edge tools, in some rotational tool processes (e.g. face milling) the tool edge may scratch the surface of the workpiece one more time, depending on the cutting conditions, during one revolution of the tool. As a result, the topographies with single or double cutting marks will be different from each other. The deviation, depending on its size, can also affect the functional performance (e.g. friction conditions) of the operating surfaces. In this article, face-milled topographies created with a symmetrical setting and with single or double milling marks are compared according to the magnitude of the roughness and the degree and nature of the inhomogeneity.

Author Biographies

Nagy Antal , University of Miskolc, Hungary

Born in 1992. He graduated from the Faculty of Mechanical Engineering and Information Technology of the University of Miskolc in 2017. Since July 2017, he is a lecturer at the Institute of Manufacturing Engineering, University of Miskolc. His specialisation: machining experiments. Еngineering teacher, PhD student, Institute of Manufacturing Engineering, University of Miskolc, Department of Production Engineering, Miskolc - Egyetemváros, Hungary

Kundrak Janos, University of Miskolc, Hungary

Born in 1949. In 1973, he graduated in mechanical engineering with a degree in mechanical engineering technology. Trainee at the Department of Mechanical Engineering Technology on a research fellowship, then assistant professor from 1975. In 1979 he defended his doctoral thesis. Since 1980 he has been an assistant professor. Scholarship aspirant (1983-1986), Széchenyi Professorship Scholarship (1998-2001). Associate Professor since 1989, Professor since 1999. From 2007 to 2014 Director of the Department of Mechanical Engineering and then of the Institute of Manufacturing Engineering. Candidate of Engineering (1987), Doctor of Engineering (1998), Habilitated Doctor (1999). Member of the Habilitation Committee of the Faculty of Mechanical Engineering, Doctoral Council. Honorary Doctor of Engineering, Kharkov Technical University (Dr.h.c., 2004), Honorary Professor of Technical University of Cracow (Prof.h.c., 2013). Member of the Ukrainian Academy of Engineering and Higher Education. Honorary Citizen of the University of Miskolc. His research interests include: machine building technology, machining. Prof. Dr. habil Dr.h.c. Janos Kundrak, DSc, University of Miskolc Faculty of Mechanical Engineering and Informatics Institute of Manufacturing Science, Hungary


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Mechanical processing of materials, the theory of cutting materials, mathematical and computer simulation of machining p