Abstract
In this paper, the MATLAB image processing technology has been adopted to obtain the contour of a turning tool with arc blade by binarization of the image, median filter as well as detection of the edge. Then curve-fitting method have been used to fit the contour of straight edge and arc-edge respectively. Finally, the nose angle of the cutter and the arc radius of the turning tool have been obtained by the analysis of fitting results of slope for straight edge and curvature radius for arc-edge. It is shown that the measurement of geometric parameters for cutting tools based on MATLAB not only has small measurement errors and high measurement efficiency, but also can be widely used to obtain tiny geometry parameters for tools with high precision.
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