Abstract
AbstractThis paper takes gear order whine in electric drive mode of hybrid transmission as research object. Based on gear static transmission error, considering the influence of speed excitation, shafting frequency and housing flexibility, the paper analyzes bearing dynamic reaction and vibration velocity of transmission. By optimizing shafting and housing layout to decrease bearing dynamic supporting force, the gear whine noise can be reduced obviously, this research has good guiding significance for development of gearbox.KeywordsDynamic excitationGear whineTransmission errorVibrationGearbox
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