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Introduction of a CAM feature model for laser beam welding



Ahlers, R.-J. ; European Optical Society -EOS-; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Rapid prototyping and flexible manufacturing : 16 June 1997, Munich
Bellingham, Wash.: SPIE, 1997 (Europto series)
ISBN: 0-8194-2522-2
Conference "Rapid Prototyping and Flexible Manufacturing" <1997, München>
Conference Paper
Fraunhofer ILT ()

An approach to improve the quality of offline programming for laser beam welding is described. A CAD-dataset is combined with technological information using a feature model. A feature consists of the basic geometry, process parameters, a set of strategies in which way it can be processed, and rules to select the optimum strategy depending on the boundary conditions. The resulting welding task is represented by a list of features from which an NC-dataset is generated, containing all process information. The aim of the development is to design a feature based technology module which is integrated into a flexible, fault tolerant and process near planning tool.