Investigation of the Stamping Process of the Jack Bracket of the Kia Rio Car
محورهای موضوعی : Manufacturing process monitoring and controlPeyman Mashhadi Keshtiban 1 , Ali Fata 2
1 - Faculty of Mechanical Engineering, Urmia University of Technology, Urmia, Iran
2 - Department of Mechanical Engineering, Faculty of Engineering, University of Hormozgan, Bandar Abbas, Iran
کلید واژه: Stamping, FEM, DOE, Box-Behnken,
چکیده مقاله :
Sheet metal forming is one of the main processes of forming thin-walled plates to produce the semi-final and final parts with high precision. In the present work, a complete investigation of the forming operation of the jack bracket of the Kia Rio car has been conducted with the help of the Design of Experiment (DOE) method, numerical simulations, and experimental investigations. First, the Finite Element (FE) method performed a numerical simulation of the process, and the results were compared with experimental results. Then, 13 proposed simulations were performed through the Box-Behnken experimental design method to study the effect of process parameters. The Friction Coefficient (FC), the press speed, and the Blank Holder Force (BHF) were chosen as input parameters. The maximum strain, the maximum stress of the part and the maximum punch force were considered output parameters. The results indicated that punch speed had the most significant effect on the plastic strain, with a contribution of 61.63%, and also FC had the most impact on the maximum force, with a contribution of 58.69%. Moreover, the role of BHF in the mentioned outputs was not considerable, but it was significant (31.47%) in the investigation of stresses.
Sheet metal forming is one of the main processes of forming thin-walled plates to produce the semi-final and final parts with high precision. In the present work, a complete investigation of the forming operation of the jack bracket of the Kia Rio car has been conducted with the help of the Design of Experiment (DOE) method, numerical simulations, and experimental investigations. First, the Finite Element (FE) method performed a numerical simulation of the process, and the results were compared with experimental results. Then, 13 proposed simulations were performed through the Box-Behnken experimental design method to study the effect of process parameters. The Friction Coefficient (FC), the press speed, and the Blank Holder Force (BHF) were chosen as input parameters. The maximum strain, the maximum stress of the part and the maximum punch force were considered output parameters. The results indicated that punch speed had the most significant effect on the plastic strain, with a contribution of 61.63%, and also FC had the most impact on the maximum force, with a contribution of 58.69%. Moreover, the role of BHF in the mentioned outputs was not considerable, but it was significant (31.47%) in the investigation of stresses.
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