MILLING WITH A TOOL WITH UNEVENLY DISTRIBUTED CUTTING PLATES

Abstract eng:
This article is to present the results of experimental research and the analysis of recorded signals of relative displacements in the tool-workpiece system during face milling with an endmill will 3 unevenly distributed cutting plates and 6 evenly distributed cutting plates. The measurement stand was prepared on a numerically controlled vertical milling center VMC 800 manufactured by AVIA, with the use of a laser interferometer system manufactured by Renishaw and a measurement track. The processing involved machining of samples made of C45 steel with the use of a CoroMill R245-080Q27-12M cutter with the diameter of Ø80 mm, manufactured by Sandvik Coromant. This article has presented the results of experimental research concerning the influence of asymmetrical and symmetrical distribution of plates in the tool body and the feed velocity on the value of relative displacements in the tool-workpiece system. The results have been presented in form of charts reflecting the relative displacements in the tool-workpiece system, depending on the time, FFT analysis charts (Błasiak, 2016), standard deviation of relative displacements, and feed on the cutting edge.

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