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首页> 外文期刊>Journal of Mechanical Science and Technology >Effects of gear eccentricity on time-varying mesh stiffness and dynamic behavior of a two-stage gear system
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Effects of gear eccentricity on time-varying mesh stiffness and dynamic behavior of a two-stage gear system

机译：齿轮偏心对两级齿轮系统时变网刚度和动态行为的影响

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摘要

Gear eccentricity, one of the most common defects of gear systems, affects not only dynamic behavior but also mesh stiffness. Accurate mesh stiffness under defect conditions is vital for the dynamic simulation and fault diagnosis of gear systems. Hence, the timevarying mesh stiffness affected by gear eccentricity, which is commonly neglected in most studies, is incorporated in the proposed twostage spur gear dynamic model and calculated by a novel gear mesh model with an improved potential energy method. The effects of mesh stiffness with and without gear eccentricity on the gear system are compared on the basis of the constructed dynamic model. The influences of gear eccentricity on dynamic transverse and torsional responses, as well as dynamic transmission errors, are also quantitatively studied. Some helpful analytical results are then presented.
机译：齿轮偏心，齿轮系统最常见的缺陷之一，不仅影响动态行为，而且影响了网格刚度。 缺陷条件下的准确网格刚度对于齿轮系统的动态仿真和故障诊断至关重要。 因此，在大多数研究中受到通常被忽略的齿轮偏心影响的时光网刚度在所提出的旋涡齿轮动力学模型中并入并通过具有改进的电位能量的新型齿轮网模型计算。 基于构造的动态模型，比较了与齿轮系统上的网状刚度与齿轮系统的偏心的影响。 还定量研究齿轮偏心对动态横向和扭转反应的影响，以及动态传输误差。 然后提出了一些有用的分析结果。

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