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International Conference on Mechanical Engineering and Technology (ICMET-London 2011)

Garry Lee
Garry Lee
Information Engineering Research Institute
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Orthogonal turn-milling is mainly used in machining big parts. In this paper, we analyzed the cutting force of orthogonal turn-milling in machining micro-miniature parts. Basing on a trochoidal tooth trace we used the cutting force model of helical edge in the analysis. From the geometry of turn-milling we obtained the analytical expressions of cutting thickness, cutting width and other parameters. Thus we could calculate the cutting force with common cutting parameters. In order to verify the results, we also carried out cutting experiments. Compare the two results and we find there is error. Referring to the previous study we assume the error come from the cutting force of end edge. Therefore we draw the conclusion that the cutting force of end edge contributes the most to turn-milling cutting force.

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