Adaptive weighted median filter is used for diagnosing the fault signal of the rolling element bearing.
将自适应加权中值滤波器应用于滚动轴承故障信号的故障诊断中。
This paper presents a 112 dimension spectrum based method for fault diagnosis in rolling element bearings.
提出了基于112维谱的滚动轴承故障诊断新方法。
Bearing parts in the normal relative position, the surface of the rolling element and raceway contact points.
轴承零件在正常相对位置时，滚动体与滚道表面接触的点。
Rolling Element Bearings - Aircraft Engine, Engine Gearbox, and Accessory Applications - Eddy Current Inspection.
滚动轴承。飞行器发动机，发动机齿轮箱及辅助设施。涡流检验。
The outer surface of the rolling element is substantially coincident with a locus (149), or virtual surface, described by the lower surface of the support member.
滚动元件的外表面与支承构件的下表面所描述的轨迹(149)或虚拟表面基本一致。
Each support member comprises a curved lower surface (146) and a rolling element (148) located within a recessed portion of the lower surface of the support member.
每个支承构件包括弯曲的下表面(146)和位于支承构件的下表面的凹进部分内的滚动元件(148)。
Rolling element bearing is one of the most widely used components in almost all kinds of machinery, which directly influences on working safety of machinery in industry.
滚动轴承是机械设备中最常见的零部件，它的运行状态直接影响到整台机器的功能。
In this paper, a freight car rolling element bearings fault diagnosis method based on Empirical Mode Decomposition(EMD) and adaptive short_time Fourier transform(STFT) is proposed.
提出了一种结合经验模态分解（EMD）和自适应短时傅里叶变换（STFT）的铁路货车滚动轴承故障诊断方法。
Comparison of the bearing "s early fault and late fault vibration signal decomposed results, proves that WPT diagnosis method used in incipient rolling element bearing fault is effective."
对比了该轴承外圈早期故障和晚期故障的振动信号的小波包分解结果，证明了小波包方法诊断滚动轴承早期故障的有效性。
This paper analyzes vibration signals of rolling element bearing in time-domain and frequency-domain, and puts forward the characteristic parameters to reflect the level of vibration and noise.
分别从时域和频域的角度分析了滚动轴承的振动信号，提出了反映滚动轴承振动水平和噪声水平的各种特征参数。
Based on the vibration analysis of AE signals under varying load and rotating speed, the patterns of damage vibration of rolling element bearings under varying load and rotating speed were researched.
对各典型状态滚动轴承在不同转速和载荷下的声发射信号进行了振动分析，研究了滚动轴承的损伤振动随转速和载荷的变化规律。
The crucial element of chance was provided by rolling the game's iconic 20-sided dice.
抛掷这个游戏里带图标的20面的骰子能带来至关重要的冒险机会。
It is significant to study the contact area in rolling process and simplify model of finite element.
对研究花键冷滚压成形过程中的接触面积和有限元模型的简化具有重要的意义。
A rolling bearing is a ready-to-mount machine element.
滚动轴承是一个即装即用的机器元件。
In the condition of industrial production, orthogonal test and slab rolling comparison test were had by adding different rare earth element and alloying element.
在工业生产条件下，通过添加不同的稀土元素和合金元素进行正交试验及板坯轧制对比试验。
The roll separating force, rolling torque and contact pressure along the surface of the rolls are also evaluated by means of the finite element method.
轧制分离力、轧制力矩以及沿轧辊表面的接触压力也通过有限元法进行评估。
In the paper, the elastoplastic boundary element method (BEM) of the initial strain is worked at calculating parameters of flat rolling of plate and strip.
本文在计算板带轧制中的参数时应用了初始应力的弹塑性边界单元方法。
Second, using large-scale finite element method software—MARC establishes the rolling model, and compiles the process file, and sets up the different rolling condition parameters.
运用大型有限元软件MARC，建立轧制模型，编写过程文件，设置不同的轧制条件参数。
Based on the reduced scale ring rolling and finite element simulation materials axial transferring pattern was studied and a formability evaluation method was proposed including the shape factor.
摘要研究了大型复杂环件形状因素和轧制速率对成形性能的影响规律。
Three rolling schedules were selected, dynamic simulations on the preloaded housing of cold ring rolling mill were proceeded with 3d finite element method, the results were compared.
选取3种轧制规程，用三维有限单元法对预紧机架进行了动力仿真，并进行了分析和比较。
A three dimensional elastoplastic finite element model is presented for thermomechanical coupled finite deformation problems, and using the model, a slab hot rolling is computer simulated.
建立了三维热力耦合问题弹塑性有限变形有限元方法，并对板材热轧过程进行了计算机模拟。
Head bending in the process of hot rolling of plate is an extremely complicated multi element non-linear relationship.
中厚板热轧过程中的头部弯曲是一个极其复杂的多元非线性函数关系。
The rolling process of medium plate was analyzed with the explicit dynamic finite element method.
采用动态显式有限元法对中厚板轧制过程进行了分析。
A new method-the stream surface strip element method (SSSEM) for simulating the three-dimensional deformations of plate and strip rolling process is put forward.
提出模拟板带轧制过程三维变形的一种新的数值方法——流面条元法。
Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
The temperature field of the bar in and out the deformation zone during continuous rolling is simulate by finite element method.
采用有限元法分析了棒材连续热轧中变形区及出变形区时轧件横断面温度场。
With the dynamic explicit elastic plastic finite element method, the unsteady deformation of the bite stage in slab rolling was simulated.
采用显式动力学弹塑性有限元方法，对平板轧制过程中咬入阶段的非稳定变形进行了数值模拟。
The effects of heat treatment on the properties of multi-element low alloy wear-resistant steel making the liner of rolling mill liner are investigated.
研究了热处理工艺参数对用于制造轧机衬板工作层的多元低合金耐磨铸钢力学性能的影响。
The effects of heat treatment on the properties of multi-element low alloy wear-resistant steel making the liner of rolling mill liner are investigated.
研究了热处理工艺参数对用于制造轧机衬板工作层的多元低合金耐磨铸钢力学性能的影响。
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