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5、購買設(shè)計文檔后加 費領(lǐng)取圖紙 大中型滾動軸承壓裝機設(shè)計 系 、 部： 學(xué)生姓名： 指導(dǎo)教師： 職稱 專 業(yè)： 班 級： 完成時間： 購買設(shè)計文檔后加 費領(lǐng)取圖紙 畢業(yè)設(shè)計 材 料 系 、 部： 學(xué)生姓名： 指導(dǎo)教師： 職 稱： 專 業(yè)： 班 級： 學(xué) 號： 年 月 購買設(shè)計文檔后加 費領(lǐng)取圖紙 畢業(yè)設(shè)計（論文）課題任務(wù)書 系：。

6、一、題目來源背景 滾動軸承是各種旋轉(zhuǎn)機械中應(yīng)用最廣泛的一種通用部件，也是機械設(shè)備中最容易損壞的部件之一，它的運行狀態(tài)是否良好會直接影響到整臺機器的性能，如精度、可靠性及壽命等。就旋轉(zhuǎn)機械而言，據(jù)統(tǒng)計，現(xiàn)場實際故障中 30%是由于滾動軸承故障引起的。這是因為滾動軸承是機械設(shè)備中工作條件最為惡劣的部件，它在機械設(shè)備中起著承受載荷和傳遞載荷的作用。所以滾動軸承的故障診斷方法一直是機械故障診斷中重點發(fā)展的技術(shù)之一。因此對滾動軸承的故障診斷和預(yù)測已經(jīng)成為各國研究的熱點。 滾動軸承的工況監(jiān)測與故障診斷在國外大概開。

7、河北聯(lián)合大學(xué)輕工學(xué)院 文翻譯 學(xué)生姓名： 聶志峰 學(xué) 號 ： 200715150401 專業(yè)班級 ： 07 機械 4 班 學(xué) 部： 工程教育部 指導(dǎo)教師： 程秀芳 教授 2011 年 6 月 12 日 - 1 - 第一章 緒論 本課題研究的主要意義 機械故障診斷技術(shù)是近 40 年來發(fā)展起來的識別機器或機組運行狀態(tài)的科學(xué)。它是適應(yīng)工程實際需要而形成的多學(xué)科交叉的綜合學(xué)科。它研究 的是機器或機組運行狀態(tài)的變化在診斷信息中的反映，它是由機器運行中的物理現(xiàn)象（聲音、振動、聲發(fā)射、熱現(xiàn)象等）出發(fā)來推斷機器內(nèi)含故障的技術(shù)，是一種典型的反向工程。從 20 世紀 60年代開始，。

8、購買設(shè)計文檔后加 費領(lǐng)取圖紙 購買設(shè)計文檔 后加 費領(lǐng)取圖紙 大中型滾動軸承壓裝機設(shè)計 系 、 部： 學(xué)生姓名： 指導(dǎo)教師： 職稱 專 業(yè)： 班 級： 完成時間： 購買設(shè)計文檔后加 費領(lǐng)取圖紙 購買設(shè)計文檔 后加 費領(lǐng)取圖紙 畢業(yè)設(shè)計 材 料 系 、 部： 學(xué)生姓名： 指導(dǎo)教師： 職 稱： 專 業(yè)： 班 級： 學(xué) 號： 年 月 購。

9、摘 要 - I - 摘 要 滾動軸承是旋轉(zhuǎn)機械中應(yīng)用最廣泛的一種通用部件，也是機械設(shè)備中的易損零件，許多機械的故障都與滾動軸承的狀態(tài)有關(guān)。據(jù)統(tǒng)計，在使用滾動軸承的旋轉(zhuǎn)機械中，大約 30的機械故障是由于滾動軸承的損壞造成的。可見，滾動軸承的好壞對機械系統(tǒng)工作狀況的影響極大。由于設(shè)計不當和安裝工藝不好或軸承的使用條件不佳，或突發(fā)載荷的影響，使軸承運轉(zhuǎn)一段時間后會產(chǎn)生各種各樣的缺陷，并且在繼續(xù)運行中進一步擴大，使軸承運行狀態(tài)發(fā)生變化。因此，滾動軸承的故障診斷一直是研究的熱點。 本文首先從理論上分析了滾動軸承的失效形。

10、第13卷第1期 中國水利水電科學(xué)研究院學(xué)報 Vo11 3 No1 2015年2月 Journal of China Institute of Water Resources and Hydropower Research February，2015 文章編號：16723031(2015)O1004806 基于健康樣本的風電機組滾動軸承狀態(tài)評估 安學(xué)利 ，唐擁軍 ，王 允 (1中國水利水電科學(xué)研究院，北京100038；2響水長江風力發(fā)Eg有限公司，江蘇鹽城224600) 摘要：針對風電機組運行工況復(fù)雜，故障樣本的缺乏，難以進行有效診斷的情況，提出了一種基于健康樣本的風 電機組滾動軸承狀態(tài)評估方法。該方法充分利用風電機組健康狀態(tài)監(jiān)測數(shù)據(jù)資源，采用徑。

11、1994-2006 China Academic Journal Electronic Publishing House. All rights reserved. http:/www.cnki.net 1994-2006 China Academic Journal Electronic Publishing House. All rights reserved. http:/www.cnki.net 1994-2006 China Academic Journal Electronic Publishing House. All rights reserved. http:/www.cnki.net 1994-2006 China Academic Journal Electronic Publishing House. All rights reserved. http:/www.cnki.net 1994-2006 China Academic Journal Electronic P。