Evaluation of a model for the prediction of milling stability for thin-walled components

H. Dalton, Gerry Byrne and Michael Steinicke

International Journal of Manufacturing Technology and Management, 2008, vol. 15, issue 2, 187-196

Abstract: The profitability of a high speed milling process is highly dependent upon its stability. This stability is determined by the dynamics of the machine-tool/tool/workpiece system and in turn limits the cutting parameters, which may be chosen. In order to machine components in the most efficient manner possible, cutting processes must be pushed to the boundaries of stability to achieve a high material removal rate as well as a high quality surface finish. When these components are of extremely high value, for example in the milling of integrated compressor components for the aerospace industry, these boundaries must be well-defined. In this paper, an analytical stability model for the milling process is presented. This model incorporates not only the tool-side dynamics but also the behaviour of the workpiece and takes the form of coupled single-body oscillators, with an experimentally determined coupling factor. This experimental methodology, with a focus upon the various measurement techniques used, is described in detail and the results of the investigation are discussed.

Keywords: milling stability; thin-walled components; modelling; stability prediction; high speed milling; tool-side dynamics; workpiece behaviour. (search for similar items in EconPapers)
Date: 2008
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