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中文摘要：
为了实现CAD／CAPP／CAM系统的有效集成，提出一种可制造性驱动的三维CAD模型相交制造特征识别方法．首先通过启发式规则对加工面进行可达性分析，计算加工面可行刀具轴向空间；然后采用融合制造语义的加工面聚类算法构建加工区域子图；最后以加工区域子图为制造特征痕迹，结合标注语义信息对加工区域子图进行优化合并，从而实现制造特征的识别．实验结果表明，该方法能够有效地实现复杂相交制造特征和复杂零件的制造特征识别，制造特征识别性能可满足工程应用中的需求．
英文摘要：
To realize the effective integration of CAD, CAPP, and CAM system, we present a manufacturability driven interacting machining feature recognition method for 3D CAD models. Firstly, the accessibility cone for each machining face is computed based on heuristic rules. Machining region subgraphs are then constructed by machining face clustering method considering manufacturing semantics. With the dimension semantic information, interacting machining features are finally recognized based on the machining region subgraph that is used as a feature hint. The approach proposed is implemented and tested by hundreds of mechanical parts. Preliminary results show that the method can effectively realize machining feature recognition for complex interacting machining features and complex parts, and the efficiency can meet the requirement of engineering application.
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