This article analyses the influence of the support of oil film vibration damping of the main spindle on cutting degree of roughness through cutting test.
本文通过粗糙度切削试验，分析讨论了车床主轴油膜减振支承对其加工粗糙度的影响。
Through frequency spectrum analysis, the causes of sudden vibration of the unit are found out, and confirm that has the feature of oil film vibration, and then is eliminated.
对机组突发性振动的成因进行了频谱分析，确认油膜振荡的振动特征并加以消除。
Thought that the generator rotational speed had achieved nearby two time of critical rotation speeds, the shafting has had the oil film vibration.
认为发电机转速达到两倍临界转速附近，轴系发生了油膜振荡。
Vibration characteristics of a rub impact rotor system supported on oil film bearings were investigated.
分析了一个由油膜轴承支承的转子在碰摩时的振动特性。
The formation of fluid dynamic force and the occurrence of self-excited vibration and oil film vortex of rotor system are analyzed.
分析了转子轴承系统中流体动态力的形成和自激振动的产生与油膜涡动、油膜振荡的故障。
It is concluded that the causes of sudden vibration are oil film whirl and thermal unbalance of generator rotor resulting from interturn short-circuit and hindered winding expansion etc.
认为突发性振动原因是运行中转子的油膜涡动和匝间短路、线圈膨胀受阻等引起的热不平衡。
The phenomena of serious vibration and noise of J101 steam turbine in ammonium nitrate shop are diagnosed. The result of diagnosis is oil film oscillation.
对硝铵车间j 1 01汽轮机振动大、噪声大的现象进行诊断，诊断结果为油膜振荡。
The coupling oil film forces and moments of thrust bearing due to the lateral vibration of rotor can be described with a group of linear stiffness and damping coefficients.
系统地研究了推力轴承各耦合动特性系数对转子横向振动状态的贡献。
The coupling oil film forces and moments of thrust bearing due to the lateral vibration of rotor can be described with a group of linear stiffness and damping coefficients.
系统地研究了推力轴承各耦合动特性系数对转子横向振动状态的贡献。
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