Abstract
For the machining parts, the protrusion feature on the slanting face (PF-SF) is the most common machining feature. However, the machining information of the PF-SF cannot be easily obtained so that it reduces the efficiency of the process planning. Therefore, this paper proposes an algorithm to map the PF-SF to its manufacturing feature volume (MFV) based on the geometric reasoning method and the backward growing method. Based on PF-SF’s forming process and its typology relations, the PF-SF is divided into two types: single-volume protrusion feature and multiple volumes protrusion feature. Then, the PF-SF’s faces are recognized based on the developed geometric reasoning method. In order to obtain the MFV better, the PF-SF is divided into two sub-types based on its neighboring faces’ topological relation: the closed neighboring face set and the open neighboring face set. At last, the MFVs are formed by combining the recognized PF-SF faces with its extension neighboring faces or the created virtual plane. Two machined parts with the PF-SF are chosen as the case study to demonstrate the effectiveness of the developed approach.
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Liu, J., Liu, X., Cheng, Y. et al. An algorithm of mapping the protrusion feature on the slanting face to its manufacturing feature volume in the process planning. Int J Adv Manuf Technol 79, 361–376 (2015). https://doi.org/10.1007/s00170-015-6810-2
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DOI: https://doi.org/10.1007/s00170-015-6810-2