Abstract In this study, the effect of a new pulsating
blankholder system has been investigated on improving the
formability of aluminum 1050 alloy. By using this system,
during each pulsating cycle, first, the metal was easily flowed
into the die through removing the blankholder force, and then
the blankholder force applied by springs was employed to
prevent excessive metal flow and wrinkling. Deep drawing
of cylindrical cup was simulated by ABAQUS6.7 software.
Cup depth, tearing, and thickness distribution of the experimental
and numerical analyses were then compared. The results
indicated that by using the pulsating blankholder system
coupled with proper frequency and gap, the cup depth can be
increased and thickness distribution can be improved. Further,
good agreement was observed between simulation and experimental
results.