Investigation of High Speed Friction Test for Aluminum Alloys

10th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes

Ooki, K.^1 ; Takahashi, S.^1

Nihon University, Narashino, Japan^1

关键词: Development stages;    Die steels;    FEM simulations;    Friction coefficients;    High-speed friction;    Press forming;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/734/3/032040/pdf
DOI  :  10.1088/1742-6596/734/3/032040

来源: IOP

【 摘 要 】

To shorten the development stage of automobiles, FEM simulation has been applied. It was important to increase the accuracy of the sheet metal simulation results. The friction coefficient between the sheet metal and dies the greatly affected the simulation results. Therefore, apparatus for measuring the friction coefficient with a specific press forming speed (300 mm/s) has been developed. The materials of the sheet metals and dies were aluminum alloys and die steel respectively. It was found that the friction was affected by the difference between the velocity of the sheet metal and that of the dies.