EXPERIMENTAL STUDY ON SURFACE ROUGHNESS OF FACE MILLED PARTS WITH ROUND INSERT AT VARIOUS FEED RATES

Authors

DOI:

https://doi.org/10.20998/2078-7405.2020.92.11

Keywords:

surface roughness, symmetrical face milling, round insert, feed rate.

Abstract

In the present paper, the variation of surface roughness of machined parts during symmetrical face milling is investigated. During this experimental work, the effect of using a milling insert with a round geometry under various feed rate values on the topography of milled parts is examined. For that purpose, both 2D and 3D surface roughness measurements were performed in three planes parallel to the feed direction, with one of the planes being on the symmetrical plane and the other two being at the same distance from it but in opposite sides. The analysis of the experimental results indicated that although surface roughness increases gradually with increase of feed rate, a considerable increase of surface roughness occurs for feed rate values over 0.4 mm/tooth. Moreover, the overall higher surface roughness values were found to be on the symmetrical plane, which was also more affected by the increase of feed rate than the other two planes.

Author Biographies

Janos Kundrak, Miskolc University, Miskolc

Doctor of Technical Sciences, Professor, Institute of Industrial Sciences, Miskolc University, Hungary

Antal Nagy, Miskolc University, Miskolc

Professor of engineering, Institute of Industrial Sciences, Miskolc University, Hungary

Angelos P. Markopoulos, National Technical University of Athens

Assistant Professor, Manufacturing Technology Division, School of Mechanical Engineering, National Technical University of Athens, Greece

Nikolaos Karkalos, National Technical University of Athens

Phd student, Manufacturing Technology Division, School of Mechanical Engineering, National Technical University of Athens, Greece

Dimitrios Skondras-Giousios, National Technical University of Athens

Phd student, Manufacturing Technology Division, School of Mechanical Engineering, National Technical University of Athens, Greece

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Published

2020-07-01

Issue

Section

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

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