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

authored by
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.

Organisation(s)
Institute of Metal Forming and Metal Forming Machines
Type
Conference article
Journal
IOP Conference Series: Materials Science and Engineering
Volume
179
ISSN
1757-8981
Publication date
01.03.2017
Publication status
Published
Peer reviewed
Yes
ASJC Scopus subject areas
General Materials Science, General Engineering
Electronic version(s)
https://doi.org/10.1088/1757-899X/179/1/012006 (Access: Open)
 

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