Journal
Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1742-6596/734/3/032014
Keywords
Deep Drawing; Numerical Simulation; Metamodeling; Process Optimisation; Process Window
Categories
Funding
- CTI (The Swiss Innovation Promotion Agency) [17366.1 PFIW-IW]
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Achieving robust production of deep drawn sheet metal parts is challenging. The fluctuations of process and material properties often lead to robustness problems. Numerical simulations are used to validate the feasibility and to detect critical regions of a part. To enhance the consistency with the real process conditions, the measured material data and the force distribution are taken into account. The simulation metamodel contains the virtual knowledge of a particular forming process, which is determined based on a series of finite element simulations with variable input parameters. Based on the metamodels, process windows can be evaluated for different parameter configurations. This helps improving the operating point search, to adjust process settings if the process becomes unstable and to visualize the influence of arbitrary parameters on the process window.
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