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dc.contributor.authorKulig, S.de
dc.contributor.authorPeier, D.de
dc.contributor.authorRosendahl, J.de
dc.contributor.authorWerdelmann, P.de
dc.description.abstractThe efficiency of magnetic sheet metal forming processes is strongly depending on the facility s overall design. This mainly includes the geometric layout of forming tool, work piece and matrix but, however, will also expect the energy storage device being taken into consideration. Apart from field theoretic models the energy storage is describable by its terminal traits which the electric load - tool coil and work piece - is connected to. The paper presents a measuring method for the tool coil s terminal quantities, current i(t) and voltage u(t), which are used to provide the electric power p(t) being transferred to the load. Thus, it is possible to determine the entire energy which is dissipated by the work piece, provided that the coil s resistance is known. Besides the measurement, this approach is supported by numerical calculation intending to take a closer look at the inner losses of the work piece which are not accessible from measuring the system s terminal traits directly. Dividable into separate parts of the total energy, this information is applied to assess the forming process by means of the facility s energetic performance and to draw an overall energy balance.en
dc.publisherInstitut für Umformtechnik - Technische Universität Dortmundde
dc.relation.ispartof3rd International Conference on High Speed Forming, March 11 - 12, 2008, Dortmund, Germanyde
dc.subjectelectromagnetic Formingen
dc.subjectenergetic Efficiencyen
dc.titleAssessing the Effective Energy for Magnetic Forming Processes by Means of Measurements and Numerical Calculationen
dcterms.accessRightsopen access-
Appears in Collections:ICHSF 2008

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