转子动平衡的关键是提取转子不平衡振动的振幅与相位。
The key of rotor balance lies in picking up the amplitude and phase of the rotor's unbalanced vibration.
水泵剧烈震动可能电动转子不平衡,或联轴器结合不良,轴承磨损弯曲;
Rattling electric pump rotor may be uneven, or combination of bad coupling, bearings wear bending;
永远不要从你的工厂机器轴偏差,转子不平衡,轴承齿轮故障或故障受到影响?
Do your plant machines ever suffer from shaft misalignment, rotor imbalance, gear failure or bearing fault?
工厂实践中极易将各种原因引起的同频振动均归结为转子不平衡,造成一些误诊。
It is easy to consider all Synchronous vibration due to various reasons as dynamic unbalance in plant practice, so that often to make erroneous diagnosis.
本文详细考察了滑动轴承支承的转子不平衡质量的大小及分布对系统稳定性的影响。
This paper studies in detail the effect of magnitude and distribution of rotor unbalance on the stability of rotor-journal bearing system.
分析了汽轮发电机转子绕组匝间短路故障和转子不平衡故障时定、转子径向振动特征。
The generator vibration characteristics caused by rotor winding interturn short circuit fault and imbalance fault are analyzed respectively.
电测系统:主要功能是处理由传感器来的电信号,显示出转子不平衡量所处的位置和大小。
The electric measuring system: the main function is to process electrical signals by the sensor, shows the unbalance of rotor position and size.
在旋转机械中,存在着大量的转子不平衡故障,这是由转子不平衡质量的惯性力或惯性力矩所造成的。
In a rotating system, unbalance default often happens which is resulted in the inertial force or inertia moment of unbalance weight.
仿真和实验结果表明,该瞬态平衡方法在有效降低转子不平衡振动的同时,减少了平衡过程中的起车次数。
The simulation and experimental results show that not only the residual vibration but also the frequency of run-ups in the balancing process can be reduced effectively.
以刚体动力学为基础,考虑功放延时、转子不平衡、磁轴承非线性等因素,建立了磁轴承反馈控制控制系统模型,对不同的控制律进行了仿真分析。
Different control laws of AMB (Active Magnetic Bearing) based on rotor dynamics and AMB control model are discussed, considering the power-amplifier delay, rotor unbalance and AMB nonlinear factors.
这种不平衡离心力作用在转子轴承上会引起振动,产生噪声和加速轴承磨损,以致严重影响产品的性能和寿命。
The unbalanced centrifugal force can cause vibration, noise and bearing wear of the rotor bearing, so that it can seriously affect the performance and life of the product.
这种不平衡离心力作用在转子轴承上会引起振动,产生噪声和加速轴承磨损,以致严重影响产品的性能和寿命。
This unbalanced centrifugal force on the rotor bearing will cause vibration, noise and accelerate the bearing wear, which seriously affect the performance and life of the product.
平衡机是测量旋转物体(转子)不平衡量大小和位置的机器。
Balancing machine is a machine for measuring the size and position of the unbalance of a rotating body (rotor).
人们一直希望能通过转子运转状态下获得的振动信息经济、快捷地识别出转子的不平衡量,但尚未有成熟可行的方法。
Peoples always wish to identify rotor unbalance with the vibration information obtained from the operating rotor, but there are no mature and practicable methods available yet.
转子识别系统,超温、超速、门盖、不平衡等保护功能,确保安全。
Automatic rotor identification prevents the rotor from overspeeding. overtemperature, door interlock, strap broken protection, ensure safety.
提出了一种利用动平衡机和光学测试平台模拟目标相结合对转子的不平衡力和不平衡力偶进行同时平衡的方法。
The paper discovers a method, by which the imbalance force and coupling are balanced simultaneously with the utilization of balancing machine and optical test platform with a simulating target.
有源磁力轴承在高转速场合应用时,由于转子的不平衡响应,降低了转子的旋转精度。
The unbalance of rotor deteriorates the rotors rotating precision when active magnetic bearings are used in high speed condition.
通过数值仿真和实验研究远轴端eord支承的单盘柔性转子系统的不平衡响应。
Numerical simulations and experimental investigates were carried out for unbalance response of a single disk flexible rotor system with far shaft end mounted on EORD.
转子磁场中心安装偏差所产生的轴向磁拉力很小,转子磁极中心挂装高程差所产生的不平衡力偶不致增大推力瓦受力。
The couple of force created by rotor pole center suspending difference may not increase the pressure on the thrust pad.
转子质量不平衡是造成转动设备振动的主要原因之一。
Unbalance mass of rotor is one of the causes resulting in vibration of rotating devices.
并且应用轴系不平衡响应程序进行定量的计算和通过模型转子试验验证了以上分析的正确性。
And the correctness of the above analysis has been proved by the quantitative calculation with the unbalanced response program of shafting and tests on a model rotor.
基于模态理论,针对滑动轴承支撑的挠性转子系统,提出了一种新的不平衡量在线识别方法。
Based on the model theory and with the use of electromagnetic exciter (ea), a new imbalance (identification) technique for flexible rotor supported by fluid bearings was presented.
对模拟转子进行了不平衡响应的有限元计算,并进行了相应的实验研究。
The finite element calculation of imbalance response and responding experiment are carried out aiming at the simulation rotor.
卧螺离心机是一种具有微小速差的双转子系统,它的不平衡振动信号是一个拍振。
The horizontal decanter centrifuge is a dual rotor system with small rotating speed difference, of which unbalanced vibration is a "beat" signal.
不平衡是转子常见的故障,自动动平衡技术能够在线无试重地平衡转子,因而具有广泛的应用前景。
Unbalance is a common fault of rotor. The automatic balance technology can balance the rotors online without trying weight, so it has a wide application prospect.
航空发动机尤其是高速旋转的微型涡喷发动机,不平衡是造成转子振动过大以及产生噪音的主要原因之一,直接影响发动机的工作性能和使用寿命。
Rotor unbalancing is one of the main causes of vibration and noise in aero-engine, especially in micro-turbojet engine, which affects work performance and fatigue life directly.
本文是从分析挠性转子的不平衡单质量的动态响应出发,找出用影响系数法平衡挠性转子的理论依据。
The dynamic response of unbalanced single disc rotor is analysed and theoretical aspects of flexible rotor balancing by the influence coefficient method are studied.
为了有效地降低回转机械由于质量不平衡引起的振动故障,基于转子动力学理论和有限元数值分析方法,进行了柔性转子系统虚拟动平衡研究。
A virtual balancing method of a flexible rotor based on rotor dynamic and finite element method is proposed in this paper to decrease the vibrations caused by mass unbalancing.
研究了非线性弹性转子-轴承系统的轴心轨迹,认为对称不平衡转子是连续弹性轴,它两端支撑在滑动轴承上,油膜反力采用非线性短轴承模型。
With reference to a symmetrical unbalanced rotor treated as a continuous elastic shaft suPPorted at its end by lubricated journal bearings, the short bearing model is adoPted.
通过测量转子的原始不平衡量响应和激励响应,计算出滑动轴承的刚度和阻尼系数及转子的不平衡量。
By measuring both original unbalance response and excitation response, dynamic stiffness and damping coefficients of fluid bearings and rotor unbalances can be calculated.
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