Surface reconstruction for incremental forming |
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Authors: | A Erman Tekkaya Ravi Shankar Gerd Sebastiani Werner Homberg Matthias Kleiner |
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Affiliation: | 1. Institut für Umformtechnik und Leichtbau, Universit?t Dortmund, 44227, Dortmund, Germany
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Abstract: | In spite of extensive efforts being made with regard to virtual process optimization technology, the production of prototype
parts is still a necessity. With respect to the production of sheet metal parts in low quantities, incremental sheet metal
forming (ISMF) is a highly interesting process. ISMF allows the production of complex parts with drastically reduced costs
in tooling and machinery compared to conventional processes like deep drawing. However, ISMF, with it’s incremental nature,
introduces the need for generating a tool path considering both final geometry and process-induced deviations or constraints.
Consequently, for the generation of the tool path a (tool path) surface, with an adequate offset, is necessary. That is why,
within the scope of extensive research work at the Institute of Forming Technology and Lightweight Construction (IUL), a special
correction module has been developed, determining this offset e.g. depending on the workpiece geometry. This paper presents
the algorithm, the application, and the effect on the produced parts. Furthermore, a concept for an extension regarding further
constraints like elastic workpiece behavior is presented. |
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Keywords: | Computer aided engineering Kinematic incremental sheet metal forming (KISMF) Software development |
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