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Open AccessArticle

New Multistage Sheet-Bulk Metal Forming Process Using Oscillating Tools

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Institut für Umformtechnik und Umformmaschinen (Forming Technology and Machines), Leibniz Universität Hannover, An der Universität 2, D-30823 Garbsen, Germany
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Institut für Werkstoffkunde (Materials Science), Leibniz Universität Hannover, An der Universität 2, D-30823 Garbsen, Germany
*
Author to whom correspondence should be addressed.
Metals 2020, 10(5), 617; https://doi.org/10.3390/met10050617
Received: 9 April 2020 / Revised: 5 May 2020 / Accepted: 7 May 2020 / Published: 9 May 2020
A new sheet-bulk metal forming process for the production of bulk components out of a flat sheet has been developed. Superimposed oscillation has been applied to the new process. By this means, process limits regarding better mould filling were expanded, and forming forces could be reduced. In order to investigate the effects of superimposed oscillation on material behaviour, plane strain and ring compression tests were carried out. The superimposed oscillated plane strain compression test showed a reduction in biaxial flow stress and thus in plastic work. Furthermore, reduced friction and roughness were verified in ring compression tests using superimposed oscillation. View Full-Text
Keywords: sheet-bulk metal forming; process; cold forming; superimposed oscillation sheet-bulk metal forming; process; cold forming; superimposed oscillation
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MDPI and ACS Style

Behrens, B.-A.; Hübner, S.; Müller, P.; Besserer, H.-B.; Gerstein, G.; Koch, S.; Rosenbusch, D. New Multistage Sheet-Bulk Metal Forming Process Using Oscillating Tools. Metals 2020, 10, 617.

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