Abstract
By establishing the model of three-watt tilting tile bearing and rotor system and studying the critical speed of three-watt tilting tile bearing and rotor system, the factors affecting its critical speed are obtained. The oil film stiffness coefficient and damping coefficient of sliding bearing and the mass of the counterweight plate added in the mixed bearing supporting rotor system all have a certain influence on the overall critical speed of the system. In this paper, a rotor model was established using DyRobes rotor dynamics analysis software. The critical rotational speed of the three-watt tilting tile bearing/rotor system was investigated by means of the oil film stiffness of the three-watt tilting tile bearing at different rotational speeds and changing the weight of the counterweight plate.
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