Figure 10. Distribution of sheet metal thickness with diverse values of the die shoulder radius (rd, mm)

From

Effect of Die Design Parameters on Thinning of Sheet Metal in the Deep Drawing Process

H. Zein, M. El-Sherbiny, M. Abd-Rabou, M. El Shazly

American Journal of Mechanical Engineering. 2013, 1(2), 20-29 doi:10.12691/ajme-1-2-1