An approach to estimate the natural modes and dynamic responses of a planetary gear train with spur gears is proposed by using a general purpose multibody simulation tool with a gear contact model that allowed to include time-varying mesh stiffness. The numerical model is two dimensional and takes into account the component motions in torsional and transverse directions. The modal behavior of the gear set was firstly investigated in terms of natural frequencies and mode shapes in a stationary condition. These natural modes were predicted and compared with experimental results available in the literature. Furthermore, a dynamic response in terms of dynamic transmission error at a spinning condition with in-phase or sequentially phase planetary configurations were carried out and concluded that the natural frequency range varies in gear mesh stiffness associated modes.
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|Titolo:||Modal behavior and transient dynamic analysis of a planetary gear train with time-varying mesh stiffness using a multibody model|
|Data di pubblicazione:||2018|
|Appare nelle tipologie:||4.1 Contributo in Atti di convegno|