非常實用的機械故障診斷與狀態(tài)監(jiān)測的真實課堂講義，每一種故障都配備了儀器的真實頻譜圖、軸心軌跡等圖形，是機械故障診斷人員速成的內(nèi)部資料。
目 錄

第一章 狀態(tài)監(jiān)測的基本知識....................................................... 4
一、有關(guān)的名詞和術(shù)語......................................................................4
1. 振動的基本參量：幅值、周期（頻率）和相位....................................4
2. 通頻振動、選頻振動、工頻振動............................................................6
3. 徑向振動、水平振動、垂直振動、軸向振動........................................6
4. 同步振動、異步振動................................................................................7
5. 諧波、次諧波、亞異步、超異步............................................................7
6. 相對軸振動、絕對軸振動、軸承座振動................................................7
7. 自由振動、受迫振動、自激振動、隨機振動........................................7
8. 高點和重點................................................................................................8
9. 剛度、阻尼和臨界阻尼............................................................................8
10. 共振、臨界轉(zhuǎn)速、固有頻率..................................................................9
11. 分?jǐn)?shù)諧波共振、高次諧波共振和參數(shù)激振..........................................9
12. 渦動、正進(jìn)動和反進(jìn)動..........................................................................9
13. 同相振動和反相振動............................................................................10
14. 軸振型和節(jié)點........................................................................................10
15. 轉(zhuǎn)子撓曲................................................................................................ 11
16. 電氣偏差、機械偏差、晃度................................................................ 11
17. 偏心和軸心位置.................................................................................... 11
18. 間隙電壓、油膜壓力............................................................................ 11
二、傳感器的基本知識....................................................................12
1. 振動傳感器............................................................................................12
2. 電渦流振動位移傳感器的工作原理....................................................13
3. 電動力式振動速度傳感器的工作原理................................................13
⒋ 壓電式加速度傳感器的工作原理.........................................................14

第二章 狀態(tài)監(jiān)測常用圖譜........................................................... 15
1．波德圖.....................................................................................................15
2．極坐標(biāo)圖.................................................................................................16
3．頻譜瀑布圖.............................................................................................16
4．極聯(lián)圖.....................................................................................................17
5．軸心位置圖.............................................................................................18
6．軸心軌跡圖.............................................................................................18
7．振動趨勢圖.............................................................................................19
8．波形頻譜圖.............................................................................................20
第三章 旋轉(zhuǎn)機械的故障診斷....................................................... 22
1. 不平衡......................................................................................................22
2. 不對中......................................................................................................23
3. 軸彎曲和熱彎曲......................................................................................26
4. 油膜渦動和油膜振蕩..............................................................................28
5. 蒸汽激振..................................................................................................30
6. 機械松動..................................................................................................33
7. 轉(zhuǎn)子斷葉片與脫落..................................................................................33
8. 摩擦..........................................................................................................38
9. 軸裂紋......................................................................................................40
10. 旋轉(zhuǎn)失速與喘振....................................................................................40
11. 機械偏差和電氣偏差.............................................................................43 ..