推力滾子軸承座(zuo)(zuo)失效(xiao)分析的(de)(de)主(zhu)要任(ren)務是基于大量的(de)(de)背(bei)景材料，數(shu)據(ju)和故障模式分析，找出造成軸(zhou)(zhou)承失效(xiao)的(de)(de)主(zhu)要因素，為(wei)(wei)了使有針對性的(de)(de)改進，延長(chang)軸(zhou)(zhou)承的(de)(de)服務期(qi)，以避免FAG軸(zhou)(zhou)承的(de)(de)突發事件早期(qi)失效(xiao)。按規(gui)(gui)定公式和計算規(gui)(gui)則計算出來的(de)(de)外球面(mian)軸(zhou)(zhou)承座(zuo)(zuo)疲勞(lao)壽命作為(wei)(wei)計算疲勞(lao)壽命，所算出總轉數(shu)值規(gui)(gui)定為(wei)(wei)內圈或軸(zhou)(zhou)圈轉動(dong)（此時(shi)外圈或座(zuo)(zuo)圈為(wei)(wei)固定）時(shi)的(de)(de)總轉數(shu)值。

推(tui)力滾子(zi)軸(zhou)承按(an)照規(gui)定的(de)標準試(shi)驗方法滾動軸(zhou)承疲(pi)勞(lao)壽(shou)命(ming)試(shi)驗規(gui)程，在(zai)使用性能上能滿足為一方法所規(gui)定各(ge)項(xiang)要(yao)求的(de)試(shi)驗機，對一批軸(zhou)承進行抽樣疲(pi)勞(lao)壽(shou)命(ming)試(shi)驗，從試(shi)驗數據(ju)處理中得到的(de)實際試(shi)驗壽(shou)命(ming)，即為被試(shi)軸(zhou)承所代表(biao)的(de)該批外(wai)球面軸(zhou)承座的(de)疲(pi)勞(lao)試(shi)驗壽(shou)命(ming)。

推力(li)滾(gun)子軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)內(nei)(nei)(nei)(nei)圈(quan)(quan)(quan)與(yu)軸(zhou)(zhou)是(shi)緊(jin)配合(he)，外圈(quan)(quan)(quan)與(yu)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)座孔(kong)(kong)(kong)是(shi)較(jiao)松(song)配合(he)時(shi)，可(ke)用壓(ya)(ya)(ya)(ya)力(li)機將(jiang)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)先(xian)壓(ya)(ya)(ya)(ya)將(jiang)在軸(zhou)(zhou)上(shang)，然后(hou)將(jiang)軸(zhou)(zhou)連同軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)一(yi)起裝(zhuang)(zhuang)入(ru)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)座孔(kong)(kong)(kong)內(nei)(nei)(nei)(nei)。壓(ya)(ya)(ya)(ya)裝(zhuang)(zhuang)時(shi)在軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)內(nei)(nei)(nei)(nei)圈(quan)(quan)(quan)端面上(shang)，墊(dian)一(yi)軟(ruan)金屬(shu)材料做的裝(zhuang)(zhuang)配套管“銅或軟(ruan)鋼”。裝(zhuang)(zhuang)配套管的內(nei)(nei)(nei)(nei)徑(jing)應比軸(zhou)(zhou)頸直(zhi)徑(jing)略大，外徑(jing)直(zhi)徑(jing)應比軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)內(nei)(nei)(nei)(nei)圈(quan)(quan)(quan)擋(dang)邊略小，以免壓(ya)(ya)(ya)(ya)在保持架上(shang)。進口軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的外圈(quan)(quan)(quan)與(yu)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)座孔(kong)(kong)(kong)為(wei)緊(jin)配合(he)，內(nei)(nei)(nei)(nei)圈(quan)(quan)(quan)與(yu)軸(zhou)(zhou)為(wei)較(jiao)松(song)配合(he)時(shi)，可(ke)將(jiang)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)先(xian)壓(ya)(ya)(ya)(ya)入(ru)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)座孔(kong)(kong)(kong)內(nei)(nei)(nei)(nei)，這(zhe)時(shi)裝(zhuang)(zhuang)配套管的外徑(jing)應略小于座孔(kong)(kong)(kong)的直(zhi)徑(jing)。如果軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)套圈(quan)(quan)(quan)與(yu)軸(zhou)(zhou)及(ji)座孔(kong)(kong)(kong)都是(shi)緊(jin)配合(he)時(shi)，安裝(zhuang)(zhuang)時(shi)內(nei)(nei)(nei)(nei)圈(quan)(quan)(quan)和外圈(quan)(quan)(quan)要(yao)同時(shi)壓(ya)(ya)(ya)(ya)入(ru)軸(zhou)(zhou)和座孔(kong)(kong)(kong)，裝(zhuang)(zhuang)配套管的結構應能(neng)同時(shi)壓(ya)(ya)(ya)(ya)緊(jin)軸(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)內(nei)(nei)(nei)(nei)圈(quan)(quan)(quan)和外圈(quan)(quan)(quan)的端面。

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