EXPERIMENTAL STUDY ON SURFACE ROUGHNESS OF FACE MILLED PARTS WITH ROUND INSERT AT VARIOUS FEED RATES
DOI:
https://doi.org/10.20998/2078-7405.2020.92.11Keywords:
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.References
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