Abstract
Stabilizer bar is an important component of the vehicle’s independent suspension system and plays an important role in the safety traffic. Therefore, the research on fatigue strength characteristics of the automobile stabilizer bar is very important. In this paper, the finite element model is established for the automobile stabilizer bar by utilizing ANSYS finite element analysis software. The automobile stabilizer bar’s strength and stiffness are analyzed with the finite element method. It is ensured that the stabilizer bar meets the static strength requirements. At last, the fatigue simulation analysis is carried out. The simulation results illustrate that the fatigue life of the stabilizer bar is about 673400 times and that it meets the fatigue life requirements which must be at least 500000 times in the fatigue test of the stabilizer bar.
Highlights
Automobile stabilizer bar is an important safety component of the automobile’s independent suspension system which is used to improve the operation stability of the automobile when the automobile is turning or encountering resistance
In order to prevent the occurrence of the stabilizer bar motion interference in the process of movement, this hinge support of the finite element model should be able to move longitudinally along the frame and form a living hinge bearing
Depending on the geometric parameters of the stabilizer bar, firstly a threedimensional solid model is built of the stabilizer bar with PRO-E software, ANSYS data interface is used and the geometry data files are generated by the PRO-E software into ANSYS
Summary
Automobile stabilizer bar is an important safety component of the automobile’s independent suspension system which is used to improve the operation stability of the automobile when the automobile is turning or encountering resistance. It is necessary to study the static force and fatigue characteristics of the stabilizer bar as the analysis results can provide an important reference for the automotive stabilizer bar design. Stabilizer bar is made of the spring steel having a Ushaped cross on the vehicle’s front or rear suspension. Both ends of the shaft are supported on the frame through the sleeve; the shaft can be rotated within the sleeve to form a hinge support. The static force and fatigue simulation analyses on a developed stabilizer bar have been conducted by means of ANSYS software
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