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.
针对高速电主轴,研究了不平衡振动抑制措施,设计了在线动平衡装置。
The article has studied the unbalanced vibration abatement measure of the high-speed electric main axle and designed a compound on-line dynamic balance device.
泵的脉动运动与不平衡振动产生了结构噪声,结构噪声在频谱中清晰显示出来。
The impulse motion and the unbalanced vibration of the pump generate certain structural noise which could be significantly expressed in frequency spectrum.
针对该磁轴承的不平衡振动研究了递归运算和凹陷滤波器两种不平衡补偿方案。
To solve the problem of unbalance vibration of PMB, the recursive algorithm and the notch filter are studied.
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.
该陷波滤波器采用通用式结构,其中心频率分布在转子转速附近以抑制不平衡振动。
The filter used a kind of general structure, whose central frequency located nearby the rotation speed to reduce the unbalance vibration.
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.
利用测出的比例常数和滞后角,对高速磨削过程中出现的不平衡振动,可实现转子系统一次试加重的快速动平衡。
With the measured ratio and lagging Angle, in the process of field balancing for high speed grinding, the rotor system can attain quick balance just adding balancing mass one time.
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.
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.
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.
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.
根据建立的机组轴系动力学模型,计算得到了测试位置处振动量所对应转轮的质量不平衡量值的大小。
Based on calculation of the shafting dynamics model of unit, the value of unbalance mass of runner correspond to the value of vibration quantity in the testing site was obtained.
介绍了励磁变压器因二次侧负荷不平衡引起振动异音及铁心温度异常升高故障的原因分析及处理。
Analysis and treatment of the faults of vibration unusual sound and core temperature abnormal rise in exciting transformer, caused by the unbalance of the secondary side load, are introduced.
对离心式多级叶轮风机进行振动频谱分析,认为叶轮存在动不平衡,造成风机振动超标。
The vibrating spectrum analysis was done to centrifugal multi-level impeller blower, and found that the impeller has dynamic unbalance, so that the vibration of blower is to exceed the standard.
利用压电式力传感器作为动平衡测量系统中的敏感元件来测量不平衡质量引起的振动。
The piezoelectric pressure transducer is applied to dynamic balancing measurement system for measuring the vibration caused by imbalanced mass.
大多数发电机的振动是由不平衡引起的。
建立了双面硬支承平衡机的平面分离力学模型,分析了不平衡的测量原理,介绍了硬支承振动系统的设计。
Build the mechanics model that separates on the two-sided supporting the balancer forcibly, analysed the measurement principle of disequilibrium, and introduced design of balancer.
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.
离心机长期运转之后,会出现不平衡和存在较大振动。
A centrifuge would suffer unbalance and serious vibration after long time operation.
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.
纺织机械中金属旋转体在旋转过程中由于自身的不平衡或安装不合理等原因引起振动,对设备的运行产生不良影响。
The vibration bf the metal rotator during rotational motion rotated process due to its balancing or mounting problems has influence on the operation of the textile machines.
针对每个离散角速度,依据影响系数法,采用包含残余振动值和校正不平衡的广义线性二次型目标性能函数推导出控制律。
For each discretized angular speed, the control law is derived from the generalized linear quadratic objective performance function including residual vibration measurements and imbalance correction.
传感器是动平衡测量系统中的重要元件之一,是一种将不平衡量产生的振动信号不失真地转变成电信号的装置。
As one of important elements in the dynamic balancing measurement system, transducer is the device that converts the vibration signal caused by the imbalance into electrical signal without distortion.
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.
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.
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。
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.
分析了齿套间隙与不平衡量对轴系振动的影响。
Effect of sleeve clearance and unbalance on shaft vibration is analysed.
本文建立了一种新的由砂轮不平衡量引起工件及砂轮主轴系统振动的力学模型。
A new model of vibration mechanics concerning the vibration of the workplace and the main spindle caused by the grinding wheel unbalance is proposed.
存在不平衡量时,系统失稳可能产生拟周期分岔、倍周期分岔并可能导致混沌振动。
The instability of the unbalanced system motion may result in doubling period bifurcation, almost periodic motion and chaotic motion.
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