由于操作简单快速，对短时间的高压闲置也可以降压，所以能节约能源、延长振动泵的寿命。
For being easy to operate and decreasing the shot -time idle high pressure, this method can save the energy and expand the life of vibrating pump.
泵不正常振动。
测试系统采用PC计算机、电涡传感器，声卡，建立了乳化液泵振动信号的信号采集系统并对测点的安放进行了说明。
With PC, eddy current sensor and sound card, a vibration signal collecting system was designed. Laying position of the sensor was explained.
消除与振动源的机械耦合。马达、泵和其它的电机设备都是常见的振动源。
Removal or mechanical decoupling of the source of vibration. Motors, pumps, and other electromechanical devices are the usual sources.
往复泵泵阀振动信号的常规频谱分析，由于故障特征信息往往被淹没于强大的噪声以及相邻部件的干扰而使诊断精度大打折扣。
The accuracy of traditional spectrum analysis for the diagnosis of reciprocating pump valve is not satisfied for the interference of the noise and the vibration of the adjacent parts.
滑阀泵的旋转质量有较大的偏心，如果没有很好的质量平衡，在运转时会产生较大的振动。
There is bigger eccentricity of rotary piston pumps rotary quality, which can produce bigger vibration when it running if no finer quality balance.
滑阀泵的旋转质量有较大的偏心，如果没有很好的质量平衡，在运转时会产生较大的振动。
There has bigger eccentricity of rotary piston pumps rotary quality, which can produce bigger vibration when it running if no finer quality balance.
两台泵在运转过程中均未见有机械密封泄漏现象发生，也未见有异常的振动和噪声。
No mechanical seal leakage or abnormal vibration or noise occurred to the two pumps during operation.
文章分析了船用离心泵产生运行振动的原因，提出了一些减缓和消除运行振动的方法和建议。
The article analyzes reasons that lead to operating vibration of a marine centrifugal pump, and proposes practical measures and suggestions to anti-vibration.
影响液压系统冲击、振动的因素很多，如泵的结构、阀的参数及负载情况和整个系统管路设计的合理性、工作条件等。
There are many factors that influence impact and vibration in hydraulic systems, such as pump structure, valve parameters, load, pipe design and operation conditions.
这种类型的泵在调试和运行过程中均出现过电机或泵体振动超标的故障，严重影响设备运行可靠性和核电厂安全性。
In the commissioning and operation, these pumps have all appeared excess vibration, which would debase pumps' operation reliability and nuclear plants' security.
用滑动轴承替代常规电机滚动轴承，使泵具有运行特别平稳，振动噪音极低。
Sliding bearing instead of the conventional rolling bearing, making pump working more smoothly with very little vibration and noise.
涡流可能会导致泵运行不稳定、振动、跳动和严重的机械破坏。
Vortexing Can cause unstable pump operation, vibration, pulsation and severe mechanical damage.
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.
应用振动监测技术，通过参数分析、信号分析及谱分析，对反应堆一循环在役主泵的故障进行了分析诊断。
Fault diagnosis of main pump of the primary system of reactor which runs at normal condition is studied by the vibration, analysis technique.
泵输出的周期性脉动流体的压力脉动，是引起流体谐振、激励管路振动和噪声的主要原因。
The pressure pulsation induced by the pumped periodic pulsation fluid is the main factor of causing fluid resonance and stimulating pipelines vibrations and noise.
泵转子具有较小的绕度，运行平稳、振动小、噪音低、使用寿命长。
Pump rotor is provided with low windability to achieve smooth operation, little vibration, low noise and long service life.
螺旋式罗茨泵在稳定过流剪切敏感介质压力脉动质量，减少噪音、振动，避免气蚀等方面有较大改善。
Helical Roots pump has great improvements on the face of stabilizing pressure pulse quality of passing cut sensitivity medium, reducing noises and vibration, avoiding vapor fret etc.
对试车中遇到的干气密封频繁损坏、轴振动、泵输出量逐渐下降等原因进行了系统分析。
A systematic analysis is made of the causes for the frequent damage of dry-gas seals, axle vibration and gradual decrease in pump delivery encountered during the test run.
研究结果有助于柱塞泵的振动噪声控制。
The conclusions are helpful to the noise control of piston pump.
为了更有效地消除齿轮泵振动信号的噪声，引入匹配追踪消噪方法。
In order to effectively abate the noise of geared pump vibration signal, matching pursuit is introduced for de-noising.
液体压强矩阵方程和压电硅片振动有限元方程耦合，得到一个包含微泵进出口扩散管的液-固耦合系统振动方程。
The fluid pressure equation is combined with vibration equation of silicon diaphragm to construct liquid-solid coupling system equations for a micropump.
对五柱塞泵机组的振动激励源进行了分析研究，并对主要激励源振动频率进行了分析、计算；
This paper describes the basic characteristics of the various exciting sources of the pumping set, and analyses and calculates the vibration frequencies of the sources.
着重介绍振动检测法的原理、方法及其在螺杆泵故障诊断中的应用。
This paper introduces mainly the principle, measures and application of vibrating test, especially in diagnosis of bolt-pump fault.
隔膜泵机组的振动以及其它故障是影响机组安全、稳定运行的主要因素。
Vibration and other fault of diaphragm pump set is the main factor which affect the factory to run safely and stably.
空运行线性隔膜泵。两种气动方法：线性和振动电枢。具有很高的使用寿命，低的噪音和高性能。可用作压缩机和真空泵。
Dry running linear diaphragm pumps. Two means of actuation: linear and vibrating armature. Very high life time, low noise level and high efficiency. Used as compressors and vacuum pumps.
螺杆泵地面驱动装置受力复杂，振源众多，常规的振动测试对于故障的定位与诊断精确度不高。
The surface drive unit of screw pumps features in complex stress and many vibration sources, so the traditional vibration test method cannot determine the diagnosis accurately.
同时，发动机转速的恒定也使液压泵输出排量稳定，进而保证了行走速度和振动频率的稳定，提高了压实质量。
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.
本文选择加速度作为监测物理量，对柱塞泵振动加以研究。
In the paper, to study piston pump, selected signals as monitoring object.
本文选择加速度作为监测物理量，对柱塞泵振动加以研究。
In the paper, to study piston pump, selected signals as monitoring object.
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