本文利用振动测试记录，具体论证了汽轮机排汽端一侧轴承松动，而导致汽轮机第二临界转速共振和强烈共振。
By analysing the amplitude of the shaft vibration, this article concludes that when the bolts get loose, it will result in resonance at the second critical speed and serious vibration.
主轴承盖松动。
检查松动在前面的耳机轴承。
由于竞争层神经元的权重分布不同，则权重分布图也不同，可根据不同的权重分布图来确认和诊断汽轮机轴承座松动故障的不同程度。
Because the scale distributions of neurons of the competitive level are different, the degree of loosing can be ascertained and diagnosed by the distribution figure of scale.
如果轴承运转不平稳，似乎松动或发出噪音，应予以更换。
If the bearing runs roughly or seems loose or noisy, it should be replaced.
因磨腔内无滚动轴承、无螺钉，所以不存在轴承及其密封件易损的问题，不存在螺钉易松动而毁坏机器的问题。
There are no rolling bearings and bolts in grinding cavity, so problems caused by bolts shedding or wear of bearings and seal components will never happen.
另外，由转频附近细化谱分析及时域波形比较，发现输入轴非电机端轴承座内机件还有径向配合松动故障。
Besides, at the non-drive-end of the primary shaft, some mechanical fitting in the bearing case were detected loosen, through spectrum-zoom analysis and waveform comparison in the time-domain.
泵、轴承座、电动机的基础地脚螺栓是否松动；
Pumps, bearing blocks, motor loose Whether or not the foundation anchor bolts;
泵、轴承座、电动机的基础地脚螺栓是否松动；
Pumps, bearing blocks, motor loose Whether or not the foundation anchor bolts;
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