Abstract
The effects of process parameters on the formability of the deep drawing of rectangular cups made of SUS304 stainless steel were investigated by both the finite element analysis method and the experimental approach. A statistical analysis was employed to construct an orthogonal chart which reflects the effects of the process parameters and their interactions on the formability of rectangular cup drawing. The material properties and the forming limit diagram (FLD) of SUS304 stainless steel were obtained from the experiments conducted in the present study and were employed by the finite element simulations. In the finite element analysis, the strain path that led to fracture in the drawing process was examined and the failure modes caused by different process parameters were also identified. With the help of statistical analysis, a formability index for the deep drawing of SUS304 stainless steel rectangular cups was constructed and the critical value of the formability index was determined from the finite element simulation results. The actual drawing processes of rectangular cups were also performed in the present study. The validity of the finite element simulations and the formability index were confirmed by the good agreement between the simulation results and the experimental data. The formability index proposed in the present study provides a convenient design rule for the deep drawing of SUS304 stainless steel rectangular cups.
Similar content being viewed by others
References
Kuwabara T, Akiyama K, Nakayama Y (1993) Square shell drawing characteristics of aluminum alloy sheet A5182-O. J Mater Process Technol 38(4):737–749
Mori T, Marumo Y (1990) A systematic approach to improve square shell drawability. Adv Technol Plastic 3:15–32
Danckert J (1995) Experimental investigation of a square-cup deep-drawing process. J Mater Process Technol 50(1):375–384
Toh CH, Shiau YC, Kobayashi S (1986) Analysis of a test method of sheet metal formability using the finite element method. J Eng Ind—Trans ASME 108:3–8
Chung WJ, Yang DY, Kim YJ (1990) Analysis of deep-drawing of circular and square cups considering planer anisotropy. Adv Technol Plastic 3:1135–1142
Chen FK, Chuang CK (1997) Blank design for the deep drawing of a square cup. Bulletin of the College of Engineering, National Taiwan University, Taiwan
Keeler SP, Backofen WA (1963) Plastic instability and fracture in sheets stretched over rigid punches. Trans Am Soc Met 56(1):25–48
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Chen, FK., Lin, SY. A formability index for the deep drawing of stainless steel rectangular cups. Int J Adv Manuf Technol 34, 878–888 (2007). https://doi.org/10.1007/s00170-006-0659-3
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00170-006-0659-3