Influence of Blank Holding Force on Stretch Flange Forming of Aluminum Alloy

The effect of blank holding force on the stretch flanging process was investigated using finite element simulation and experimental analysis. Finite element model was used to study the effect of blank holding forces on punch load and forming kinematics. An aluminum alloy 5052 sheet of 0.5mm thicknes...

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Bibliographic Details
Main Authors: Dewang, Yogesh, Hora, M.S., Panthi, S.K.
Format: Conference Proceeding
Language:English
Subjects:
Aluminum alloy
Blank holding force
Finite element simulation
Punch load
Stretch flanging
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Summary:The effect of blank holding force on the stretch flanging process was investigated using finite element simulation and experimental analysis. Finite element model was used to study the effect of blank holding forces on punch load and forming kinematics. An aluminum alloy 5052 sheet of 0.5mm thickness was employed for this work. Blank holding force has a great effect on punch load and significant influence on forming kinematics. Validation of FEM results were obtained by conducting experiments. A very good agreement was obtained between FEM simulation results in terms of punch load and final shape which shows the accuracy of present finite element model.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2015.07.157