2Mohamed Sheriff N, Mohamed Ismail M. Numerical design optimi- sation of drawbead position and experimental validation of cup drawing process [ J]. Journal of Materials Processing Technology, 2008, 206 (1-3): 83 -91.
3Mohammad Amin Shafaat, Mahmoud Abbasi, Mostafa Ketabchi. Investigation into wall wrinkling in deep drawing process of conical cups [ J]. Joumal of Materials Processing Technology, 2011,211 ( 11 ) : 1783 - 1795.
5Wang H, Li E Y, Li G Y. Optimization of drawbead design in sheet metal forming based on intelligent sampling by using response surface methodology [ J ]. Journal of Materials Processing Technol- ogy, 2008, 206 (1-3):45-55.