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Procedure for multi-material modelling of concept prototypes

: Biesinger, B.; Grzesiak, A.

Chlebus, E.; Meyer, R. ; University of Technology Wroclaw, Institute of Production Engineering & Automation; University of Technology Wroclaw, Center for Advanced Manufacturing Technologies:
Rapid Production 2004 : Innovation - Knowledge - Industry. 1st International Conference, Wroclaw, 29.9. - 1. 10.2004
Warschau: Oficyna Wydawnicza Politechniki Warszawskiej, 2004 (Scientific Papers of the Institute of Production Engineering and Automation of the Wroclaw University of Technology 85)
International Conference Rapid Production <1, 2004, Wroclaw>
Conference Paper
Fraunhofer IPA ()
modelling; rapid prototyping; rapid manufacturing; product development; quality control; Qualitätssteuerung; Produktentwicklung; Prototyp; Konstruktion; Design

A concept and realisation of an experimental system that allows building a multi-material prototype using the layer-by-layer technique is presented in this paper. The research involves testing of a combination of different materials and fundamental analysis about material combinations and application principles. It consists of two identically constructed extruders, which are addressed via their own control system. Hereby it became possible to use two different materials for the layer-by-layer manufacturing of a construction unit. The advantage of this almost geometry-independent arrangement consists of using both extrusions on one slice level. Thermoplastic materials were considered for this purpose (e.g. adhesion characteristics) and a quality control system was adapted in order to adjust process parameters accurately.