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首页> 外文会议>International Conference on Manufacturing Engineering and Intelligent Materials >A Study on Axial Bearings Lubrication Characteristics in High-speed Planetary Transmissions of Vehicles
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A Study on Axial Bearings Lubrication Characteristics in High-speed Planetary Transmissions of Vehicles

机译：车辆高速行星传输中轴向轴承润滑特性的研究

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摘要

To reduce the wear of thrust washer within straight planetary gear set, hydrodynamic lubrication design was studied by way of machining grooves in the radial direction into sides of thrust washer. Such grooves can result in a hydrodynamic pressure to separate the contact surfaces and reduce the wear accordingly. Based on mass boundary conditions, the Reynolds equation was discretized using control volume method. The results show that, to increase the axial clearance and groove depth, to decrease groove width ratio and groove number can decrease the friction between planetary gear transverse and axial bearing surface. The fluid flow increased when groove depth and groove numbers increased. The bearings have the maximum load capacity when the groove number is 24 and the groove width ratio is 0.5. In engineering applications, make sure the groove depth is 10～40μm, and recommend assembling clearance between planet wheel and thrust washer is 5μm.
机译：为了减少直行星齿轮组内的推力垫圈，通过在径向方向上的径向侧面的沿俯冲垫圈进行水动力润滑设计。 这种凹槽可以导致流体动力学压力来分离接触表面并相应地减小磨损。 基于质量边界条件，使用控制体积法离散化雷诺等式。 结果表明，为了增加轴向间隙和凹槽深度，减小沟槽宽度比和凹槽数可以降低行星齿轮横向和轴向轴承表面之间的摩擦。 当槽深度和凹槽数增加时，流体流量增加。 当凹槽数为24时，轴承具有最大负载能力，并且凹槽宽度比为0.5。 在工程应用中，确保槽深度为10〜40μm，并建议在行星轮和推力垫圈之间装配间隙为5μm。

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