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往复机械     
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  reciprocating machinery
     Extraction and Recognition of Fault Features of Reciprocating Machinery Based on Wavelet Analysis
     基于小波多分辨分析的往复机械故障特征提取与识别
短句来源
     It is introduced in the feature extraction of the vibration signal induced from reciprocating machinery valve,and the fault characteristic signal can be extracted effectively.
     该方法用于往复机械气阀的振动信号特征提取,有效地提取了气阀的故障特征信号。
短句来源
     Application of nonlinear wavelet analysis on the waveform feature extraction of reciprocating machinery
     非线性小波在往复机械波形特征提取中的应用
短句来源
     Adaptive Lifting Wavelet Application with Extraction of Fault Features in Reciprocating Machinery
     自适应提升小波在往复机械故障检测中的应用
短句来源
     Breakdown Diagnosis of Reciprocating Machinery By Means of Oil Analysis and Vibration Analysis
     应用油液分析法和振动法诊断往复机械故障
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  reciprocating machine
     Study on Software of Vibration Diagnosis for Reciprocating Machine
     往复机械振动诊断系统软件的研究
短句来源
     On the basis of analyzing the principle of ferromagnetic oil diagnosis and the steps of diagnosis,the method was put forward to be applied in abrasion fault diagnosis of reciprocating machine.
     在分析铁谱油液诊断法基本原理及诊断步骤的基础上,提出将该方法应用于诊断往复机械磨损故障。
短句来源
     The intelligent diagnosis system of mechanical equipment fault has four subsystems including rotating machine fault diagnosis system, motor fault diagnosis system, bearing fault diagnosis system and reciprocating machine fault diagnosis system.
     机械设备故障智能诊断系统包括:旋转类转子故障诊断系统、电动机故障诊断系统、轴承故障诊断系统和往复机械故障诊断系统四个子系统模块。
短句来源
     This paper introduces a vibration diagnostic system for reciprocating machine.
     研究了一套振动诊断系统软件,可用于往复机械的故障诊断。
短句来源
     Reciprocating machine is used in all kinds of industry field widely, its condition monitoringand fault diagnosis is one of focus of the fault diagnosis studies.
     往复机械广泛应用于各工业领域,对其状态监测与故障诊断技术的研究是目前国内外故障诊断领域的研究热点之一。
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  reciprocating equipment
     Reciprocating equipment fault diagnosis and its prospects
     往复机械故障诊断的现代方法及展望
短句来源
     Since the reciprocating equipment is complicated in construction and its signal is unstable, the traditional method of diagnosis has been showing its limitation.
     往复机械结构复杂 ,信号呈非平稳性 ,使得传统诊断方法日益显现出不足。
短句来源
  reciprocating mechanism
     Application of Time-frequency Analysis Method in Reciprocating Mechanism Vibration Signal Processing
     时频分析方法在往复机械振动特征提取中的应用
短句来源
     The article shows why reciprocating mechanism causes shock according the dynamical analysis in theory, puts forward the pathway of shock absorption, provides a reliable theoretical evidence for the meckanical design of shock absorption.
     通过动力学分析,从理论上说明了往复机械产生振动的原因,提出了减小振动的途径,为往复机械设计减小振动提供了理论依据
短句来源

 

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      reciprocating machine
    All wear tests were conducted with a reciprocating machine.
          
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    Reynolds' equation for unsteady flow in dynamically loaded bearingis the foundation of bearing design and lubrication theory for reciprocatingmachinery.To prove it logically and strictly so as to get some correctconcept and viewpoint is of great importance to investigation in this field.However,some proofs in books of lubrication theory(for example,inReference)are open to question.This paper shows that the velocity ofshaft center is a small quantity in comparison with the sum of the linearvelocities of the rotations...

    Reynolds' equation for unsteady flow in dynamically loaded bearingis the foundation of bearing design and lubrication theory for reciprocatingmachinery.To prove it logically and strictly so as to get some correctconcept and viewpoint is of great importance to investigation in this field.However,some proofs in books of lubrication theory(for example,inReference)are open to question.This paper shows that the velocity ofshaft center is a small quantity in comparison with the sum of the linearvelocities of the rotations of the journal and bearing surfaces and has thusproved Reynolds' equation strictly.

    动载轴承中非定常流动的雷诺方程是各种类型往复机械中轴承设计和润滑理论的基石。对此进行严格、周密、合乎逻辑的证明,并建立起正确的概念和观点,对进行这方面的研究工作是非常重要的。但是,不少动载轴承和润滑理论著作中,对上述基本方程的证明是值得商榷的。作者对此做出了严格的证明,并指出其关键在于:尽管轴心的运动不属于小扰动,而属于大位移的范畴,但是轴心速度相对轴颈、轴承表面转动线速度而言仍是小量。

    In this paper the lubrication of the piston-cylinder group in the reciprocating machineries is discussed. A calculation method of the oil film and friction of hydrodynamic lubrication is presented.The result of analysis and calculation of examples is given with the program

    本文讨论了往复机械中活塞缸套摩擦副的润滑状况,给出了在流体动力润滑状况下其润滑油膜厚度和摩擦力的计算方法,按所设计与编制的计算程序进行了示例的计算与分析。

    This paper introduces how to monitor condition and detect faults for an air compresor with vibration diagnosis technique.

    本文通过对现场空压机故障诊断实例的分析,介绍如何用振动诊断技术对空压机这类往复机械进行状态监测与故障诊断。

     
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