Abstract

A new effective machining region planning method is represented for optimal tool path generation in five-axis sculp-tured surface machining.Based on the analysis of work-piece surface geometrical feature and the cutter shape,the developed method determines the optimal effective machining region width and the optimal cutting direction in special position of the part surface.By interpolating the adjacent sampling effective machining regions,the optimal initial tool path is generated based on the optimal machining region set,and an itera-tive-searching algorithm is constructed in this proceeding to resolve the machining region select-planning problem.Follow-ing tool paths are generated from the initial tool path until the whole part surface was covered with effective machining re-gions.Compute implementation and illustrative example con-firm that the method reduces the total tool paths length and the machining time,generates better tool paths and finish of work-piece surface comparing with other conventional tool path generation methods.Thus,the effective machining region plan-ning method can improve the quality of products and reduce the cost of five-axis machining.

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