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1)  vibration multiple-faults
振动多故障
1.
This paper introduces a new method which can diagnose the vibration multiple-faults of a turbogenerator.
已有的模糊聚类分析方法不能对汽轮发电机组振动多故障进行有效诊断。
2)  vibration trouble
振动故障
1.
The present paper summarizes the experiences and methods in dealing with those motor vibration troubles in combination with the overall process of checking and repairing a main drive motor vibration trouble in the mill.
结合一起轧机主传动电机振动故障的处理经过,对电机振动故障的分析方法和处理经验进行总结。
2.
The reason, detriment, inspection and prevention of common vibration troubles of turning machinery have been presented in the paper, which can be taken as the reference for the people of equipment installing, operating or managing, etc.
综述了常见旋转机械振动故障的原因、危害、检查、处理和预防,可供设备安装、使用、管理技术人员参考。
3)  vibration fault
振动故障
1.
Vibration Fault Analysis and Diagnosis for the Rotor System;
转子系统振动故障分析与诊断
2.
The complicated vibration fault of Unit 2 was eliminated successfully,which is of referential value to the treatment of vibration faults of similar units.
对靖海发电有限公司(以下简称靖海电厂)新投运的超临界2号600MW机组振动故障进行了测试、诊断和分析,并提出了优化的处理方案。
3.
and explain how to diagnosis vibration fault with forward direction logic,the accuracy of fault diagnosis is improved.
分析了目前汽轮发电机组振动故障诊断方法存在的问题,提出了根据机组故障范围、振动频率特征等对非线性油膜涡动故障进行分层次诊断的正向推理振动诊断方法。
4)  vibration failure
振动故障
1.
Analysis and dealing with of vibration failure of N1. 0-35 steam turbine;
N1.0-35型工业汽轮机振动故障的分析与处理
2.
The paper recommends the amplitude (peak value) and speed (real effective value) as well as the acceleration (peak value) detected from rotary equipment by HY103 portable vibration detector, and diagnoses the vibration failure of the equipment by calculating the primary vibration frequency.
通过HY-103型便携式测振仪对旋转设备的振动进行测量,对所得到的位移(峰-峰值)、速度(真有效值)、加速度(峰值)三个参数进行计算,得出振动的主频率,从而对设备的振动故障进行诊断。
3.
The 12 kinds of typical characteristics of vibration failure taking place in turbo generators were put forward in theory.
从理论上提出了电站设备中的汽轮发电机组发生振动故障的12种典型特征,介绍了汽轮发电机组振动状态监测及故障诊断装
5)  Vibration malfunction
振动故障
6)  fault diagnosis of vibrating sieve
振动筛故障诊断
补充资料:点振子振动和点电极振子振动
分子式:
CAS号:

性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

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