非常實(shí)用的機(jī)械故障診斷與狀態(tài)監(jiān)測(cè)的真實(shí)課堂講義，每一種故障都配備了儀器的真實(shí)頻譜圖、軸心軌跡等圖形，是機(jī)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(cè)的基本知識(shí)....................................................... 4
一、有關(guān)的名詞和術(shù)語......................................................................4
1. 振動(dòng)的基本參量：幅值、周期（頻率）和相位....................................4
2. 通頻振動(dòng)、選頻振動(dòng)、工頻振動(dòng)............................................................6
3. 徑向振動(dòng)、水平振動(dòng)、垂直振動(dòng)、軸向振動(dòng)........................................6
4. 同步振動(dòng)、異步振動(dòng)................................................................................7
5. 諧波、次諧波、亞異步、超異步............................................................7
6. 相對(duì)軸振動(dòng)、絕對(duì)軸振動(dòng)、軸承座振動(dòng)................................................7
7. 自由振動(dòng)、受迫振動(dòng)、自激振動(dòng)、隨機(jī)振動(dòng)........................................7
8. 高點(diǎn)和重點(diǎn)................................................................................................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(dòng)、正進(jìn)動(dòng)和反進(jìn)動(dòng)..........................................................................9
13. 同相振動(dòng)和反相振動(dòng)............................................................................10
14. 軸振型和節(jié)點(diǎn)........................................................................................10
15. 轉(zhuǎn)子撓曲................................................................................................ 11
16. 電氣偏差、機(jī)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(shí)....................................................................12
1. 振動(dòng)傳感器............................................................................................12
2. 電渦流振動(dòng)位移傳感器的工作原理....................................................13
3. 電動(dòng)力式振動(dòng)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(cè)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(dòng)趨勢(shì)圖.............................................................................................19
8．波形頻譜圖.............................................................................................20
第三章 旋轉(zhuǎn)機(jī)械的故障診斷....................................................... 22
1. 不平衡......................................................................................................22
2. 不對(duì)中......................................................................................................23
3. 軸彎曲和熱彎曲......................................................................................26
4. 油膜渦動(dòng)和油膜振蕩..............................................................................28
5. 蒸汽激振..................................................................................................30
6. 機(jī)械松動(dòng)..................................................................................................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(jī)械偏差和電氣偏差.............................................................................43 ..