Abstract
High precision engineering has a great technological potential regarding the manufacturing of microtechnical products. Due to its flexibility and the possibility of producing complex three-dimensional geometries in a broad variety of different materials, microcutting is of special importance. However, milling and turning in microdimensions follow special rules what is caused by size-effects. Successful microcutting depends on reliable processes and, therefore, on the knowledge about parameter adjustments and process characterization. By means of microcutting test series and statistical analysis, effects, and interactions of process parameter variations for work piece material, cutting edge radii, cutting speed, and depth of cut are identified and mathematically quantified. Results show a significant influence of these factors on the response variables. Thus, a linear model for specific cutting force and surface roughness is proposed. Furthermore, the findings are compared to the empirical cutting model of Victor–Kienzle in macrodimensions.
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