Abstract
The integration of CAD, CAM and CAE is far from a commercial reality. Feature technology has been identified as a key element in bridging many of the integration gaps. This two-part paper emphasizes an integrated NMT-based environment that serves the needs of both geometry and feature-based applications. Part I describes a feature modeling utility that coexists with commercial CAD systems by providing external feature-based functionality and making it available to application programs. A non-manifold topologybased system, called TAGUS, is used to represent the model geometry and provide the foundation for features representation. The architecture of a feature-based analysis system is described and, finally, the automated design of the feed system for injection molds is presented as an example to illustrate the application of the feature modeling utility. A detailed description of this application is the focus of the companion paper (Part II).
Published Version
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