| Résumé | In conventional circular end-milling practice, chip formation is generally approximated as in linear end-milling. For applications such as micro-milling, circular tool paths are used extensively in the fabrication of high-precision/quality micro features, components, parts, and moulds and dies for biomedica], optoelectronic, and automotive applications. Therefore, more detailed and accurate study of chip formation is required to ensure the highest achievable accuracy, precision and surface quality. In this work, feed per tooth and chip thickness during circular micro end-milling were experimentally studied with the major focus on analysis of the difference in chip formation for tool paths with varying radius. In particular, cutting force signatures were measured synchronously along the tool path radius, especially for lower radii, on chip formation is presented and discussed in detail. |
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