Finite Element Analysis of sheet metal bending process to predict the springback

Springback remains a major concern in sheet metal forming process. Springback, shape discrepancy between fully loaded and unloaded configuration due to elastic recovery of material, is mainly affected by geometrical parameters, material properties of sheet and lubrication condition between the blank...

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Bibliographic Details
Published in:Materials in engineering 2010-02, Vol.31 (2), p.657-662
Main Authors: Panthi, S.K., Ramakrishnan, N., Ahmed, Meraj, Singh, Shambhavi S., Goel, M.D.
Format: Article
Language:English
Subjects:
C. Minimal load condition
C. Sheet metal forming
C. Springback
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Summary:Springback remains a major concern in sheet metal forming process. Springback, shape discrepancy between fully loaded and unloaded configuration due to elastic recovery of material, is mainly affected by geometrical parameters, material properties of sheet and lubrication condition between the blank and the tool. A total-elastic–incremental-plastic (TEIP) algorithm, for large deformation and large rotational problems, was incorporated in indigenous Finite Element software. This software was used to predict the springback in a typical sheet metal bending process and to investigate the influence of these parameters on springback. The results of simulation are validated with own experiments and published experimental results.
ISSN:0261-3069
DOI:10.1016/j.matdes.2009.08.022