Abstract
Curvature and curvature continuity, as two of the main geometric characteristics of complex surface, significantly influence the surface quality in five-axis flank milling. Firstly, the curvature continuity grade in different complex surfaces has been accurately defined by introducing the basic concepts about curvature and curvature continuity. Secondly, the relationship between the curvature, curvature continuity and machine tools movements are analyzed theoretically, and different curvatures and continuities may lead to different machine tool movement rules. Lastly, simulation and experimental results validate the theoretical analysis. The mechanism between the curvature, curvature continuity and machine tools movement contributes towards achieving an optimized and improved complex surface quality.
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