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Industrial computed tomography for reverse engineering applications

Tomographie rayons-X assistée par ordinateur pour des applications de reverse engineering
: Schuhmann, Norbert; Bolboaca, Lucia Ioana

Roth-Koch, Sabine (Technical Committee):
Numérisation 3D - Scanning - 2002. Actes des conférences Numérisation 3D : Mercredi 24 et jeudi 25 avril 2002, Paris. Le Rendez-vous Européen Annuel de la Numérisation. Septième Edition
Dinard, Frankreich: Harbour, 2002
Conference "Numérisation 3D" <7, 2002, Paris>
Conference "Scanning" <7, 2002, Paris>
Conference Paper
Fraunhofer IPA ()
reverse engineering; Computertomographie; Messen; Zylinderkopf; CAD; Simulation

Computed tomography is an excellent device for generating 3D data of complex parts. It allows a complete scanning also of the inner geometry of a complex parts. Since this new measuring technique first was used mostly more for material testing, it was identified as a powerful device for dimensional inspection in the recent years. There, well-known CAD methods, which are currently available in commercial software tools, can be used for a complete and accurate measuring of automotive casting parts - especially parts with a very complex geometry as cylinder heads. The current paper will cover a new reverse engineering application based on a CT measurement of a cylinder head, as it was required by an industrial partner of the authors. The goal was the surface extraction of the water channels of an aluminum cylinder head for the use in flow simulation. By using that example the paper will illustrate, how even complex industrial problems could be solved by using computed tomography and by applying modern CAD tools.