Based on ANSYS crown tapered rolling bearings dynamics simulation analysis

摘要

According to the demand of hign-precision, and tapered roller bearing is one of the most important components in the mechanotronics, there have a strict requirement for the performance of bearing. Bearing failure is one of the leading causes of breakdown in rotating system. Based on ANSYS/LS-DYNA, dynamic vibration characteristics of tapered roller bearing as the roller generatrix is logarithmic curve are analyzed. The value of vibration acceleration of the tapered rolling bearing with different crowning value of the roller is extracted. During the analysis, the amplitude of vibration acceleration of the tapered roller bearing without crown at start running time is higher, and it does not tend to a stable state as time goes on. The vibration acceleration changes according to the crowning value of the roller. When crowning value is a specific value, running condition of the tapered rolling bearing will reach a steady state and the value of vibration acceleration is smaller than the other bearings. Therefore, crowning value of the roller is one of the important factors that affect the vibration acceleration of tapered roller bearings.