刚性轴承

刚性轴承间油膜压力分布的有限元分析

Finite element analysis of pressure distribution of film in rigid bearing

利用有限元法进行了数值求解，比较了箔片止推轴承与刚性轴承的不同之处，并讨论了影响箔片止推轴承静特性的因素。

The differences between the conventional bearings with rigid surface and compliant surface foil thrust bearings are discussed , and the factors that have effects on the static performance of bearings are analyzed .

采用单圆盘对称刚性转子轴承系统的运动模型和四阶龙格&库塔法，利用有限长滑动轴承的非线性油膜力，求解系统运动方程。

Equations of motion are adopted for the symmetrical rigid rotor-bearing system , and the nonlinear oil-film force of finite journal bearings is calculated .

第四，建立了刚性磁浮轴承转子系统空间状态方程，用数值积分法和庞加莱映射方法对其稳定性进行了研究。

Fourthly , the space state equation of the rigidity magnetic rotor-bearing system is set up , and a study has been conducted on the stability of magnetic rotor-bearing system with the use of numerical integration and Poincare map method .

在二阶频率的正弦载荷作用下，弹性轴轴承系统的最大油膜压力远大于刚性轴轴承系统，而其最小油膜厚度则远小于刚性轴轴承系统。

When the flexible shaft-bearing system was excited with the second order frequency , the maximum oil pressure was much greater than that of the rigid shaft-bearing system , and the minimum film thickness was much less than that of the rigid shaft-bearing system .

从机架主轴承结构刚性与其轴承合金特性、轴颈与轴承硬度的匹配、润滑油情况及维护管理等方面对某轮主机主轴承失效的原因进行了分析。

Analysis is given to show the failure of main bearing in a marine diesel engine in all the aspects of the rigidity of structure of framework of the main bearing , alloy characteristic , matching between axle neck and hardness of bearing , lubricating oil and management .

刚性转子-轴承系统的复杂非线性动力学行为研究

Study on complex non-linear dynamics of rigid rotor-bearing system

本文建立了刚性转子电磁轴承系统和柔性转子电磁轴承系统的动力学模型，推导出刚性转子电磁轴承系统和柔性转子电磁轴承系统的状态空间表达形式；

Paper establishes two model systems : rigid rotor magnetic bearing system and elastic rotor magnetic bearing system , and elicits the expression of state-space .

以刚性转子电磁轴承系统数学模型为基础，从理论与试验两方面分析影响电磁轴承转子回转精度的因素。

On the basis of mathematical model of magnetic bearing system , this paper analyses the factors which influence on rotary precision of the rotor .

转子一轴承系统中油膜力的非线性对系统稳定性有重要影响.本文基于一刚性转子－轴承系统模型，用打靶法求解了系统的同步周期解、亚谐解；

The synchronous and subharmonic periodic responses as well as the stability of a rigid rotor-bearing system considering the effect of nonlinearity of oil film dynamic force are solved by a shooting method in this paper .

用此方法研究了刚性转子－圆柱轴承系统中不平衡量对稳定性的影响。

This method is applied to examine the influence of unbalance on the stability of rigid rotor-cylindrical bearing system .

其次是以含有碰摩故障的简化对称刚性支撑转子-轴承系统为对象，其中一个转子圆盘与静子发生局部碰摩，转子与静子之间的摩擦力符合库仑摩擦定律。

Second model is rub rotor-bearing system . Force of friction between deck of rotor and stator accords with the coulomb law of friction .

铸铁座为整体座结构，轴承座刚性极好，防止轴承在装配时产生变形，在任何情况下轴承座均持久耐用。

The cast iron horsing is of solid one-piece construction to provide maximum rigidity against deformation at mounting and wear resistance to any operating conditions .

结果表明，双层波箔轴承比单层波箔轴承具有更大的承载能力，比刚性表面动压轴承对轴颈偏斜具有更好的适应性。

The results show that double-layered bump foil bearing provides greater load capacity than single-layered bump foil bearing , and possesses good accommodation to journal inclination than rigid surface hydrodynamic bearings .

针对五自由度刚性非对称磁轴承-转子系统，建立了系统动力学模型，在此基础上推导出系统动特性参数辨识公式，并用多频电流激励法辨识出参数。

The dynamics model of a rigid asymmetric active magnetic bearing rotor system with five degree of freedom is established and the identification equation of the dynamic coefficients deduced accordingly , while the identification parameters are obtained by means of multi frequency excitation method .

铰接式横梁由关节轴承、轴承座和刚性轴构成，刚性轴与轴承座由关节轴承连接。

The articulated beam is structured by an oscillating bearing , a bearing chock and a rigid shaft ; wherein the rigid shaft is connected with the bearing chock through the oscillating bearing .

本文介绍了无横梁高刚性轧机的新颖结构，分析了该轧机高刚性及轴承长寿的原理。

The novel mechanism of this non-beam and high rigid mill is introduced in this paper . The principal of its high rigid and long life for bearing are analyzed .