S111011 振動計測とシミュレーションの組み合せによる歯車かみあい起振力の推定に関する研究 : 薄肉リブ付歯車箱における検証([S11101]伝動装置の基礎と応用(1))

概要

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Sometimes the compatibility of a gear pair makes unexpected vibration problem. Contact condition of a gear pair such as alignment error of the unit and shaft deformation also have great influence on gear vibration behavior. Therefore, assessment method of contact condition of a gear unit generating high level vibration is needed. As a criteria of contact condition of a gear pair, estimation of mesh excitation waveform is thought to be effective. From view point as above, authors proposed estimation method of gear pair's mesh excitation component with vibration measurement. It is based on that engine order analysis result along mesh frequency component shows response proportional to complex number FRF of the system under constant load condition from simplified gear pair's vibration model. In addition, to fix phase origine, we proposed estimation method of gear pair's mesh excitation waveform connecting low frequency area FRF calculated with vibration analysis of the gear system and measured FRF for higher frequency area. In this research, proposed estimation method is applied to single stage helical gear system with ribbed thin wall gear box which is different from previous verification..
2011-09-11