Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0010-4485(00)00138-X
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dc.titleA hybrid method for recognition of undercut features from moulded parts
dc.contributor.authorYe, X.G.
dc.contributor.authorFuh, J.Y.H.
dc.contributor.authorLee, K.S.
dc.date.accessioned2014-06-16T09:29:22Z
dc.date.available2014-06-16T09:29:22Z
dc.date.issued2001-12
dc.identifier.citationYe, X.G., Fuh, J.Y.H., Lee, K.S. (2001-12). A hybrid method for recognition of undercut features from moulded parts. CAD Computer Aided Design 33 (14) : 1023-1034. ScholarBank@NUS Repository. https://doi.org/10.1016/S0010-4485(00)00138-X
dc.identifier.issn00104485
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/54272
dc.description.abstractProducts manufactured by moulding processes, such as injection moulding or die casting, are called moulded parts. This paper describes a hybrid method to recognise undercut features from moulded parts with planar, quadric and free-from surfaces. The hybrid method takes advantage of graph-based and hint-based approaches. Various undercut features, including interacting undercut features, are defined by extended attributed face-edge graphs (EAFEG). Unlike conventional graph-based methods, which recognise features by graph matching, the new approach recognises the undercut features by searching the cut-sets of subgraphs. Face properties and parting lines are used as hints to guide the search of cut-sets. To recognise undercut features from parts with free-form surfaces, a convex-hull algorithm is used to determine the face properties (positive, negative and horizontal). The case study shows that the proposed method can recognise various undercut features successfully. © 2001 Elsevier Science Ltd. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S0010-4485(00)00138-X
dc.sourceScopus
dc.subjectFeature recognition
dc.subjectMould design
dc.subjectUndercut feature
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.contributor.departmentMECHANICAL & PRODUCTION ENGINEERING
dc.description.doi10.1016/S0010-4485(00)00138-X
dc.description.sourcetitleCAD Computer Aided Design
dc.description.volume33
dc.description.issue14
dc.description.page1023-1034
dc.description.codenCAIDA
dc.identifier.isiut000172279900001
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