Journal of Chaohu University ›› 2018, Vol. 20 ›› Issue (6): 75-83.
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The finite element analysis of the Baja racing car's brake and its connection piece has been completed. The UG software is used to establish the connection piece 3D model, which is imported into ANSYS workbench to carry out its structural statics analysis, and the structure of the connection piece is checked and optimized. The main improvement scheme is to add ribs in places where stress concentration occurs and to hollow out properly. The modal analysis of the brake disc is carried out; the natural frequency of the brake disc is calculated, and the vibration mode is analyzed. The results show that the reason for the brake disc falling off is not the resonance torsion between the brake disc and the outside world, but the brake disc is subjected to a large axial force when driving, which acts on the rivet connecting the brake disc and causes the rivet to fail. The analysis results can provide reference for the design of the Baja racing car's brake and its connection piece.
