w4过捻器的振动测量和动平衡

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1、W4过捻器（15#）的振动测量和动平衡一．安装正常，低速暖机运转。直观听取轴承声音，噪声大，但未听到明显异常声音。二．⑴确认可以提速运转，对左右轴承座（轴承）振动情况进行了检测，测得振动速度数值。表1转速左右基频值有效值相位基频值有效值相位10000.10.81390.10.415115000.510.8290.40.552918000.41.2-50.220.72-320000.41.2-280.290.6-1725000.250.62-450.270.42-2028000.20.65-150.320.5-4730000.340.8-40.320.63-563300

2、0.460.9-210.270.77-6135000.450.94-210.270.78-5637670.441.0-320.250.75-5241000.51.1-320.241.2-5845820.51.2-340.231.0-4049070.451.1-340.31.0-3052000.391.1-320.321.1-2055000.251.0-820.421.2-1957001.51.81211.01.6-4460402.22.6801.11.7-8263002.02.2470.92.0-13165002.42.7421.02.2-162⑵1500转，测得振动

3、频率左：1／2Χ0.0086右：1／2Χ0.00171Χ0.12231Χ0.09232Χ0.02292Χ0.01603Χ0.01283Χ0.0031⑶动平衡前，在1500转获取的各种图谱YibinCityCitytracktrafficplanningisYibincityregionalrangewithintracktrafficsystemofonceintegration,andcitytracktrafficalsoisYibinCityCityintegratedtracktrafficsystemintheofpart,foraccurategraspc

4、itytracktrafficresearchofobjectYibinCityCitytracktrafficplanningisYibincityregionalrangewithintracktrafficsystemofonceintegration,andcitytracktrafficalsoisYibinCityCityintegratedtracktrafficsystemintheofpart,foraccurategraspcitytracktrafficresearchofobjectYibinCityCitytracktrafficplanni

5、ngisYibincityregionalrangewithintracktrafficsystemofonceintegration,andcitytracktrafficalsoisYibinCityCityintegratedtracktrafficsystemintheofpart,foraccurategraspcitytracktrafficresearchofobjectYibinCityCitytracktrafficplanningisYibincityregionalrangewithintracktrafficsystemofonceintegr

6、ation,andcitytracktrafficalsoisYibinCityCityintegratedtracktrafficsystemintheofpart,foraccurategraspcitytracktrafficresearchofobject一．动平衡。⑴通过对振动幅值和频率的分析，判定设备存在一定的不平衡量。初步断定不平衡量较小。左边配重约3克，右边配重约7克。平衡后的振动值记录表2转速左右基频值有效值相位基频值有效值相位10000.150.91750.20.768515000．572.2-70.31.6-918000.381.12-810.4

7、51.5-1520000.380.75-640.250.5-1225000.250.64-820.260.72-4728000.280.88-980.530.7-6330000.470.82-620.450.73-2733000.360.8-720.450.94-4235000.30.8-820.41.0-6137670.351.0-740.320.7-11741000.321.0-730.171.5-10045820.41.0-510.21.3-7849070.41.1-490.21.1-50YibinCityCitytracktrafficpla