Abstract

From the engineering point of view there are still problems regarding geometry modelling that cannot be satisfactorily solved despite efficient CAD systems. This applies in particular to virtual models when they are meant to match with the resulting manufacturing geometry of components as closely as possible. In this paper, relationships between modelling and manufacturing strategies are discussed. The focus is directed to the relationship between the modelling strategy and the manufacturing process by spiral milling with a ball cutter, whereby especially the influence of the tool geometry and the tool paths for the modelling strategy will be investigated. By means of an appropriate example of a design of spiral mandrel die from the field of plastics processing an approach will show how functional design and manufacturing-oriented design can be coupled and automated.

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