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【進口軸承專家】如何提高電機軸承的運行可靠性?

字號:T|T
文章(zhang)出處:eding360.cn/?liwen0112網責任編輯(ji):作者:人氣:-發(fa)表時間:2016-11-23 16:00:00

  濟南市鴻慷機電設備有限公司位于交通便利的泉城濟南,是全球生產滾動軸承和直線運動產品的領導企業---德國舍弗勒集團在山東的授權代理商。公司專營舍弗勒集團旗下兩大品牌INA軸承和FAG軸承,是一家順應經濟發展需要而誕生的專業化新型高端軸承公司。多年來一直從事軸承的銷售和售后技術支持,在機械行業技術方面有著非常豐富的經驗,今天濟南鴻慷機電進口軸承專家為大家介紹一下如何提高電機軸承的運行可靠性?

圓柱滾子軸承

 

  引起機(ji)械(xie)或系統(tong)故(gu)(gu)障(zhang)的因(yin)(yin)素往(wang)往(wang)有(you)多(duo)個方面,其中最為主要(yao)的因(yin)(yin)素就(jiu)是電機(ji)故(gu)(gu)障(zhang),而電機(ji)故(gu)(gu)障(zhang)則(ze)多(duo)因(yin)(yin)軸承故(gu)(gu)障(zhang)引起。因(yin)(yin)此(ci),如何提(ti)高電機(ji)軸承運行(xing)的可靠性,對確保電機(ji)、機(ji)械(xie)設備(bei)的安全(quan)穩定運行(xing)有(you)著十分重(zhong)要(yao)的意義(yi)。

  

近(jin)些年來,隨著(zhu)企(qi)業對電(dian)(dian)機(ji)(ji)運行(xing)(xing)安(an)全(quan)穩定要(yao)求(qiu)的(de)不(bu)斷提(ti)高(gao),如何確保(bao)電(dian)(dian)機(ji)(ji)的(de)安(an)全(quan)、穩定運行(xing)(xing)早已成為(wei)各(ge)個(ge)(ge)企(qi)業關注(zhu)的(de)重(zhong)點所在。而電(dian)(dian)機(ji)(ji)軸(zhou)(zhou)承(cheng)(cheng)作為(wei)電(dian)(dian)機(ji)(ji)的(de)重(zhong)要(yao)核(he)心,進一步(bu)提(ti)高(gao)電(dian)(dian)機(ji)(ji)軸(zhou)(zhou)承(cheng)(cheng)運行(xing)(xing)的(de)可靠(kao)性則尤為(wei)重(zhong)要(yao)。以下筆者即結合個(ge)(ge)人多年從事電(dian)(dian)機(ji)(ji)研究的(de)實踐(jian)工作經驗(yan),就如何提(ti)高(gao)電(dian)(dian)機(ji)(ji)軸(zhou)(zhou)承(cheng)(cheng)的(de)可靠(kao)運行(xing)(xing)提(ti)出(chu)幾點個(ge)(ge)人建議(yi),也希(xi)望能夠(gou)為(wei)廣大同行(xing)(xing)提(ti)供(gong)有益的(de)參(can)考。

  

  1 為電機(ji)軸承建立臺賬對電機(ji)加(jia)強(qiang)管理

 

  一(yi)般來講,每個企業都擁有(you)(you)很多(duo)型號(hao)、功率、轉速各不相(xiang)同的(de)(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji),這(zhe)些(xie)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)所處(chu)(chu)的(de)(de)(de)運(yun)(yun)(yun)(yun)行(xing)環(huan)境、運(yun)(yun)(yun)(yun)行(xing)方式(shi)都不盡(jin)相(xiang)同,且有(you)(you)些(xie)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)所處(chu)(chu)的(de)(de)(de)環(huan)境還十分(fen)(fen)惡劣,嚴(yan)重影響(xiang)到電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)(de)(de)正常(chang)(chang)運(yun)(yun)(yun)(yun)行(xing)。也正因如(ru)此(ci),要(yao)(yao)想確保電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)安全(quan)、穩定(ding)運(yun)(yun)(yun)(yun)行(xing),就(jiu)必須以電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)型號(hao)、參(can)數生(sheng)產(chan)(chan)廠(chang)家、運(yun)(yun)(yun)(yun)行(xing)環(huan)境、運(yun)(yun)(yun)(yun)行(xing)方式(shi)及(ji)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)型號(hao)、生(sheng)產(chan)(chan)廠(chang)家、投運(yun)(yun)(yun)(yun)日期(qi)、使(shi)用(yong)潤(run)滑(hua)(hua)脂(zhi)、故(gu)障現象、故(gu)障日期(qi)等(deng)內(nei)容建立電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)管(guan)(guan)理(li)(li)臺賬。也就(jiu)是說根據電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)在實(shi)際生(sheng)產(chan)(chan)運(yun)(yun)(yun)(yun)行(xing)中(zhong)的(de)(de)(de)情況,編制電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)管(guan)(guan)理(li)(li)臺賬,并通過(guo)(guo)臺賬中(zhong)顯(xian)示的(de)(de)(de)數據信(xin)息進(jin)行(xing)的(de)(de)(de)歸(gui)納、總結、分(fen)(fen)析出電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)(de)(de)日常(chang)(chang)運(yun)(yun)(yun)(yun)行(xing)情況,從而找到電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)故(gu)障可(ke)能存在的(de)(de)(de)規律,并以此(ci)為(wei)根據展開調查,進(jin)而為(wei)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)(de)(de)日常(chang)(chang)維(wei)護(hu)(hu)與維(wei)護(hu)(hu)內(nei)容、維(wei)護(hu)(hu)周期(qi)提供(gong)有(you)(you)力的(de)(de)(de)依據,這(zhe)樣(yang)不僅(jin)僅(jin)有(you)(you)利于對(dui)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)(de)(de)日常(chang)(chang)維(wei)護(hu)(hu)與管(guan)(guan)理(li)(li),還能夠有(you)(you)效延長電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)(de)(de)使(shi)用(yong)壽命。而反過(guo)(guo)來,如(ru)果對(dui)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)型號(hao)、生(sheng)產(chan)(chan)廠(chang)家、投運(yun)(yun)(yun)(yun)日期(qi)、使(shi)用(yong)潤(run)滑(hua)(hua)脂(zhi)、曾經(jing)發(fa)生(sheng)過(guo)(guo)的(de)(de)(de)故(gu)障及(ji)故(gu)障日期(qi)一(yi)無所知,那么(me)在電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)維(wei)護(hu)(hu)內(nei)容和(he)維(wei)護(hu)(hu)時間間隔問題上多(duo)少有(you)(you)些(xie)盲目,如(ru)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)是否已(yi)超期(qi)運(yun)(yun)(yun)(yun)行(xing)、使(shi)用(yong)的(de)(de)(de)潤(run)滑(hua)(hua)脂(zhi)是否合適等(deng)。有(you)(you)的(de)(de)(de)企業,一(yi)年或(huo)兩年就(jiu)更換電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng),或(huo)者多(duo)年不維(wei)護(hu)(hu)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng),這(zhe)是一(yi)種粗放型管(guan)(guan)理(li)(li)方式(shi),對(dui)設備有(you)(you)失維(wei)或(huo)過(guo)(guo)維(wei)現象,不符(fu)合設備狀態檢修管(guan)(guan)理(li)(li)理(li)(li)念(nian)的(de)(de)(de)要(yao)(yao)求。

  

  2 對電(dian)機軸承的(de)運行(xing)情況(kuang)進行(xing)定(ding)期診斷

 

  電(dian)機(ji)(ji)軸承(cheng)在高速運轉過程中(zhong),如(ru)若(ruo)軸承(cheng)故障(zhang)(zhang)不(bu)能及(ji)時得(de)到排除,那么電(dian)機(ji)(ji)軸承(cheng)勢必也會(hui)很快被(bei)損(sun)壞。造成電(dian)機(ji)(ji)軸承(cheng)故障(zhang)(zhang)的原因眾多,其(qi)中(zhong)最(zui)為常見的幾點因素(su),包括:疲勞故障(zhang)(zhang)、潤(run)滑不(bu)良、安裝(zhuang)不(bu)規范、異(yi)物進(jin)入等。而無論(lun)是發生(sheng)上述任何一(yi)種因素(su)其(qi)都會(hui)造成電(dian)機(ji)(ji)軸承(cheng)運行(xing)(xing)溫度(du)過高、振動過大、運轉聲音異(yi)常等問題。也正因如(ru)此,對電(dian)機(ji)(ji)軸承(cheng)運行(xing)(xing)進(jin)行(xing)(xing)有效的管理則尤為重要。也就是說在實(shi)際(ji)工作中(zhong)我們應(ying)該利用專業儀器定期對電(dian)機(ji)(ji)軸承(cheng)運行(xing)(xing)狀(zhuang)況進(jin)行(xing)(xing)診斷,以(yi)避免電(dian)機(ji)(ji)軸承(cheng)帶(dai)病運行(xing)(xing)。

  其中(zhong),針對電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)潤滑不良、潤滑脂粘稠度過大、游隙(xi)過小、負載過大等問題(ti)(ti),我們可(ke)以(yi)通(tong)過對電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)端外殼的(de)溫(wen)(wen)度進(jin)(jin)行(xing)(xing)判斷,也可(ke)以(yi)通(tong)過測溫(wen)(wen)儀對電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)的(de)溫(wen)(wen)度進(jin)(jin)行(xing)(xing)判斷,繪制電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)運(yun)行(xing)(xing)溫(wen)(wen)度曲線表,以(yi)此來(lai)判斷電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)運(yun)行(xing)(xing)情況是否正常;而(er)電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)內進(jin)(jin)入異物、磨損等問題(ti)(ti),則應該依靠(kao)專(zhuan)業的(de)電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)故障檢(jian)測儀,對電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)的(de)振動脈沖進(jin)(jin)行(xing)(xing)分(fen)析,進(jin)(jin)而(er)對電機(ji)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)的(de)運(yun)行(xing)(xing)情況起(qi)到(dao)輔助判斷作(zuo)用。

  

  3 進一步提高電機軸承的安裝工藝水平(ping)

 

  我們都知道(dao)電機(ji)軸(zhou)(zhou)承(cheng)其(qi)自身所要求(qiu)的(de)精確度極高,因此即便是輕微的(de)滾(gun)到、滾(gun)珠變(bian)形、受(shou)傷(shang),內部(bu)有雜質都會造成電機(ji)軸(zhou)(zhou)承(cheng)壽(shou)(shou)命(ming)(ming)的(de)縮(suo)短。尤其(qi)是在實際安裝過程(cheng)中(zhong),由(you)于安裝工藝水平不足極易造成電機(ji)軸(zhou)(zhou)承(cheng)損壞,降低電機(ji)軸(zhou)(zhou)承(cheng)的(de)實際使用壽(shou)(shou)命(ming)(ming)。所以,進(jin)一步(bu)提高電機(ji)軸(zhou)(zhou)承(cheng)的(de)安裝工藝水平,對延長電機(ji)軸(zhou)(zhou)承(cheng)的(de)使用壽(shou)(shou)命(ming)(ming)而言有著至關重(zhong)要的(de)作用。

  首先,在(zai)電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)安(an)裝(zhuang)(zhuang)過(guo)程中,我們為(wei)了避(bi)免(mian)電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)滾(gun)道、滾(gun)珠(zhu)受機(ji)(ji)(ji)械力(li)的(de)(de)(de)作(zuo)用(yong)(yong)而(er)(er)產生(sheng)變形,可采用(yong)(yong)熱油加熱或(huo)電(dian)磁加熱電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)方(fang)法進(jin)行(xing)安(an)裝(zhuang)(zhuang),其實(shi)質(zhi)(zhi)是利用(yong)(yong)電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)熱脹冷縮原理,使(shi)電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)輕而(er)(er)易舉(ju)的(de)(de)(de)套進(jin)軸(zhou)(zhou)(zhou)頸;其次,確保電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)在(zai)更換潤(run)滑脂(zhi)時工作(zuo)環(huan)境、操(cao)作(zuo)用(yong)(yong)具的(de)(de)(de)清潔干凈,避(bi)免(mian)因(yin)雜質(zhi)(zhi)進(jin)入電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)滾(gun)道表(biao)面產生(sheng)的(de)(de)(de)劃痕(hen),而(er)(er)使(shi)電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)使(shi)用(yong)(yong)壽(shou)命(ming)減少。同(tong)時,還必須要注意對電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)潤(run)滑脂(zhi)的(de)(de)(de)適量注入,過(guo)多或(huo)多少都會增大電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)轉動摩擦力(li),進(jin)而(er)(er)導致電(dian)機(ji)(ji)(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)走入過(guo)熱、潤(run)滑脂(zhi)氧化失效的(de)(de)(de)惡性循環(huan);最后,加強對潤(run)滑脂(zhi)使(shi)用(yong)(yong)和保管(guan)環(huan)節(jie)的(de)(de)(de)重(zhong)視(shi),現場工作(zuo)中經常看到(dao)(dao)潤(run)滑脂(zhi)開蓋(gai)使(shi)用(yong)(yong)后不及時封蓋(gai),任由潤(run)滑脂(zhi)受到(dao)(dao)雜質(zhi)(zhi)的(de)(de)(de)污染,而(er)(er)受到(dao)(dao)雜質(zhi)(zhi)污染后的(de)(de)(de)潤(run)滑脂(zhi)又(you)被(bei)使(shi)用(yong)(yong)到(dao)(dao)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)潤(run)滑中去,如此,軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)潤(run)滑脂(zhi)中就會含有(you)大量機(ji)(ji)(ji)械雜質(zhi)(zhi)、塵埃(ai)或(huo)砂粒(li),使(shi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)壽(shou)命(ming)受到(dao)(dao)嚴重(zhong)影響。因(yin)此,使(shi)用(yong)(yong)潤(run)滑脂(zhi)要養成良好的(de)(de)(de)習慣,用(yong)(yong)時開蓋(gai),用(yong)(yong)后封蓋(gai),避(bi)免(mian)潤(run)滑脂(zhi)長時間暴露在(zai)污濁、潮濕空氣中而(er)(er)受到(dao)(dao)污染,受污染后的(de)(de)(de)潤(run)滑脂(zhi)不可再(zai)用(yong)(yong)于到(dao)(dao)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)潤(run)滑。

 

  4 選用正確的(de)電機軸承確保獲得(de)良好的(de)工作(zuo)性能

 

  由于電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)種類繁(fan)多,因此不同類型(xing)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)其運(yun)行(xing)參數也是不盡相同的(de)(de)(de)(de),而要(yao)想電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)獲得良(liang)好的(de)(de)(de)(de)運(yun)行(xing)狀況與(yu)(yu)工作性(xing)能,則(ze)必須根(gen)(gen)據(ju)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)驅動對象的(de)(de)(de)(de)不同而選(xuan)(xuan)擇相適合的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)軸(zhou)承(cheng)(cheng)(cheng),也只有如此,才能夠提高(gao)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)軸(zhou)承(cheng)(cheng)(cheng)運(yun)行(xing)的(de)(de)(de)(de)可靠性(xing),一般(ban)來講,在(zai)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)實際選(xuan)(xuan)用(yong)過程中,我們應該根(gen)(gen)據(ju)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)工作條件(jian)選(xuan)(xuan)擇電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)類型(xing)、公差等級和游隙(xi),如:軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)載(zai)荷方向、軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)載(zai)荷類型(xing)、軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)轉速(su)、軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)潤滑方式、軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)定位(wei)與(yu)(yu)非定位(wei)要(yao)求,軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)安(an)裝環境、軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)維(wei)修環境等諸多因素。并(bing)且結(jie)合電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)實際工作條件(jian)、受力(li)情況、壽(shou)命要(yao)求對電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)軸(zhou)承(cheng)(cheng)(cheng)的(de)(de)(de)(de)型(xing)號(hao)進行(xing)計算(suan),驗算(suan)軸(zhou)承(cheng)(cheng)(cheng)壽(shou)命。

  

  結語

 

  電機(ji)(ji)軸(zhou)(zhou)承(cheng)故障是引發電機(ji)(ji)故障的重要所在,而電機(ji)(ji)故障恰(qia)恰(qia)會造成(cheng)企業的安(an)全生產問題,引發惡劣的安(an)全事件。所以,加強對電機(ji)(ji)軸(zhou)(zhou)承(cheng)可靠運(yun)行(xing)的研究,重視(shi)對電機(ji)(ji)軸(zhou)(zhou)承(cheng)工(gong)藝制造技(ji)術(shu)、生產管理手段(duan)的不斷提(ti)高(gao)則具有十分重要的現(xian)實意(yi)義,值得廣大企業提(ti)到企業日(ri)程中深入研究與探(tan)討。

 

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此(ci)文關鍵字:進口軸承專家 電機軸承

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