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首页> 外文会议>ASME international design engineering technical conferences and computers and information in engineering conference 2013 >DYNAMIC ANALYSIS OF A MULTI-MESH GEAR SYSTEM WITH MESH STIFFNESS VARIATION
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DYNAMIC ANALYSIS OF A MULTI-MESH GEAR SYSTEM WITH MESH STIFFNESS VARIATION

机译：具有网状刚度变化的多网架齿轮系统的动力学分析

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摘要

Parameter excited oscillations induced by the varying tooth mesh stiffnesses of the gear pairs cause severe vibration in gear systems. The oscillations become more complex and serious in multi-mesh gear system because more mesh stiffnesses variation occur, which are necessary to be investigated in deeply. To illustrate the complex oscillation phenomena, a 8 degrees of freedom (DOF) non-linear dynamic model of a multi-mesh gear system is developed to study the responses of the system with considering time-varying mesh stiffnesses. Interactions between the mesh stiffness variations at the two meshes are examined. Seven different mesh phases are defined according to the alternating engagement of single and double gear teeth. The effects of different phases of the mesh stiffnesses between the two meshes on the typical multi-mesh gear system are identified by using numerical simulation. The results show that the oscillations of the multi-mesh gear system could be reduced by changing the phase of the mesh stiffnesses.
机译：齿轮副齿啮合刚度的变化引起的参数激振引起齿轮系统的剧烈振动。在多啮合齿轮系统中，振动会变得更加复杂和严重，因为会出现更多的啮合刚度变化，这是需要深入研究的。为了说明复杂的振动现象，建立了多啮合齿轮系统的8自由度（DOF）非线性动力学模型，以研究考虑时变啮合刚度的系统响应。检查两个网格处的网格刚度变化之间的相互作用。根据单齿和双齿的交替啮合，定义了七个不同的啮合相位。通过数值模拟，确定了两个啮合孔之间的啮合刚度的不同相位对典型的多啮合齿轮系统的影响。结果表明，可以通过改变啮合刚度的相位来减少多啮合齿轮系统的振动。

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