假设梁的运动由刚性回转与柔性振动两部分组成。
The beam motion is divided into two parts: rigid rotation and flexible vibration.
本文研究了扁平轴变速回转时的振动稳定性问题。
This paper studies the vibration stability of rectangular shaft on variable rotation.
应用时频分析方法研究了回转机械低频振动问题。
In this paper low-frequency vibration problems of rotating machinery are investigated.
首先对其非线性振动响应进行了解析分析，然后用数值方法研究了间隙、偏心和回转角速度等参数变化所导致的系统分岔和混沌运动的特征。
The nonlinear vibration is analyzed analytically first. With the numerical method, the bifurcation behaviors and chaos are studied with such parameters as clearance, eccentric and rotating velocity.
新颖的回转多臂机实现了无振动的综框运动，减少了因高速引起的经纱张力增加和纱线断头。
The new rotary dobby may reduce the warp tension and end-down which will increase with high revolution of the machine by using of non-vibration heald.
通过建立大型回转轴承装置的振动模型，以大量的试验数据为依据，提出了一套从试验条件与参数的选取到最后分析结论判定的系统方法。
Based on the vibration model and testing data, the paper provides a systematic way to not only the choice of testing parameter but also drawing the conclusion.
对刚柔耦合回转角和刚柔耦合振动的微分方程，则通过摄动法求解。
The rotating Angle and vibration of rigid-flexible coupling are solved by the perturbation method.
回转支承在回转过程中不可避免地将产生振动，由振动所带来的冲击会影响部件的强度。
For the large slewing bearing, vibration inevitably comes into being in the course of rotating, and the impact brought by vibration may impair the intensity of assemblies.
本文阐述了回转周期结构振动特性分析的有限无法。
The finite element method for vibration characteristic analysis of periodical gyro-structures is described in this paper.
⑥泵的振动和噪声极小。 ⑦因为泵内的回转部件惯性力较低，可在高转速下工作。
The vibration and noise of the pump. 7 because the rotary inertia force component inside the pump is low, can work under high rotation speed.
通过调整两偏心块回转中心与筛箱质心间的相对位置，能够设计出高效、节能的振动筛。
By adjusting relative position between rotation center of two eccentricity masses and mass center of screen box, high efficiency and power saving vibration screen is able to work out.
振动力完全平衡后机构的振动力矩，可通过调整附加机构中偏心齿轮的回转中心得到部分平衡。
The shocking moment after the complete balance of shocking force can get partial balance through the adjustment of eccentric gear in the attached mechanism.
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.
本文就大直径重负荷砂轮高速回转试验机设计过程中出现的振动问题，从理论上对多种影响整机刚性的不稳定因素进行了分析研究；
This paper presents an analysis and study on the vibration and unstable factors which affects the stiffness of the speed Tester for high speed heavy load large grinding wheels;
回转烘干机对物料的适应性强，可以烘干各种物料，且该烘干设备操作简单可靠，故得到普遍采用直线振动筛。
Rotating dryer can be used for drying many kinds of materials and with convenient and reliable operation; therefore, it has been widely used.
本文运用时间序列方法研究工作状态下回转式压缩机的振动故障。
This paper used time series method to analyze the vibration faults of working compressor, and the time series model of vibration signal was setup in the paper.
作者详细分析了回转窑齿圈振动的产生原因，并介绍了对应的解决处理方法。
Cause of the vibration and the corresponding measures are introduced in this paper.
作者详细分析了回转窑齿圈振动的产生原因，并介绍了对应的解决处理方法。
Cause of the vibration and the corresponding measures are introduced in this paper.
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