中国最大的综合性文献数据库 -维普资讯 关键词: 功率损失 油膜刚度 最佳油膜厚度[gap=556]Key words: Power Loss; Oil Film Stiffness; Optimum Oil Film Thickness
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油膜挤压刚度 film-stiffness under squeezing
The results of the two methods are close to each other, the ladder hybrid bearings with three oil recesses have higher oil film rigidity and damping coefficients and could greatly improve the performance of the bearings.
实例结果表明:两种方法计算结果比较接近;三油腔阶梯动静压轴承具有较高的油膜刚度和阻尼系数,能大大提高轴承的运行性能。
参考来源 - 基于液压伺服控制的动静压轴承设计理论研究The calculation formula of static friction torque of spherical pair was set up. And the effects of capillary tube and structure parameters of spherical pair on the support property and oil film stiffness were investigated.
首先,本文对大型转子静平衡仪球面摩擦副的摩擦流动特性进行了研究,通过对承载能力、油腔压力、泄漏功耗和加工难易的分析,选择出了球面副合适的结构参数;推导出了球面副静态摩擦力矩的计算公式,并对球面副的支承特性和油膜刚度进行了分析,发现毛细管节流器、球面副结构参数对支承特性和油膜刚度有明显影响。
参考来源 - 高精度大型转子静平衡仪静压支承球面摩擦副研究·2,447,543篇论文数据，部分数据来源于NoteExpress
由于轴承油膜刚度、阻尼，运动方程系数矩阵具有非对称特性。
On account of unsymmetric coefficient matrices of oil film stiffness and damping in bearing, the matrices in governing equation were unsymmetric.
文中给出了流量、静态偏心率、静态油膜刚度和动力放大系数的公式。
Formulas for the flow rate, the static eccentricity, the static oil film stiffness and the dynamic magnification factor are given.
用单油垫的油膜刚度值来表示柱面和球面轴颈两种极轴静压支承系统三个方向的刚度。
The stiffness of the polar axis' hydrostatic oil pads system in three directions was represented by the stiffness value of a single oil pad in two types of cylindrical and spherical journal.
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