Affiliation:
1. Faculty of Science & Engineering, John Dalton Building, Manchester Metropolitan University, Chester Street, Manchester, M1 GD, UK
Abstract
In the automotive industry or in similar industries, body panels need to be perfectly smooth for visual and aerodynamic reasons. In some cases, the component is a hand-made body part that will require a suitable CAD model for further development and manufacturing. Such a smooth CAD model can only be produced through reverse-engineering and CAD procedures that will make use of accurate surface reconstruction. This paper describes a reverse-engineering procedure for the production of a suitable CAD mesh from which surface reconstruction can take place. It then analyzes and compares three approaches assessing the continuity and the quality of each set of NURBS patches: automatic, semiautomatic, and completely manual surfacing. Recommendations are made for each method when creating CAD surfaces. Finally, a procedure is suggested to optimize the time and the quality of the final CAD model.
Subject
Industrial and Manufacturing Engineering,Computer Graphics and Computer-Aided Design,Computer Science Applications,Software
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