Numerical analysis of a deep drawing process with additional force transmission for an extension of the process limits

verfasst von
B. A. Behrens, C. Bonk, N. Grbic, M. Vucetic
Abstract

By sheet metal forming processes the forming limits and part characteristics are defined through the process specific loads. In deep drawing processes the maximum deep draw ratios as well as the springback behaviour of the metal parts are depending on the stress distribution in the part material during the forming process. While exceeding the load limits, a failure in the material occurs, which can be avoided by additional force transmission activated in the deep drawing process before the forming limit of material is achieved. This contribution deals with numerical investigation of process effect caused by additional force transmission regarding the extension of the process limits. Here, the steel material HCT 600X+Z (1.0941) in thickness s 0 = 1.0 mm is analyzed numerically using the anisotropic model Hill48. This model is validated by the means of cup test by Swift. Both, the FEA of conventional and forming process with additional force transmission are carried out. The numerical results are compared with reference geometry of rectangle cup.

Organisationseinheit(en)
Institut für Umformtechnik und Umformmaschinen
Typ
Konferenzaufsatz in Fachzeitschrift
Journal
IOP Conference Series: Materials Science and Engineering
Band
179
ISSN
1757-8981
Publikationsdatum
01.03.2017
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Allgemeine Materialwissenschaften, Allgemeiner Maschinenbau
Elektronische Version(en)
https://doi.org/10.1088/1757-899X/179/1/012006 (Zugang: Offen)
 

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