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1、火电厂设备分类英语BearingcommonsenseRollingbearingisakindofprecisionmechanicalbearingcomponents,bearingusersdeeplyhopeperfectlyonthehostbearingcanbeusedforapredeterminedperiodfromdamageandkeepitsdynamicperformance,butrealitysometimesisnotverydesirable,suddenbearingfailureaccidentcancausegre
2、atlossestotheuser・Throughalotofrollingbearingfailureanalysisshowedthatprematurebearingshort-livedorlossofaccuracy,haveapientyofduetoimpropermaterialdefectorineinufacturing,butinaconsiderableextentisbecausethereisnobearingsusedinstrictaccordaneewiththerequirementsforinstallation,mai
3、ntenance,orbearingselectionoractualloadthantheloadratingofbearingdamagedbearingabnormalreasons,forexample,thefatiguespallingofbearingpartstoagreatextentisbecausethelubricatingoilmixedwithimpurities・Visible,ifyouwanttoachieveprecisionofrollingbearinghasalongerlifeexpectancyandretent
4、ionperiod,inadditiontothebearingmanufacturersimproveproductquality,bearingusersmustusescientificmethodsandproceduresusedbearings,otherwise,itisagoodbearingwillbeinbadrandomdiedundertheconditionsofuse・SelectthemethodsandstepsWhethertherollerbearingcanbeusedcorrectly,themainenginecan
5、obtaingoodworkingperformanceandprolongtheservicelife・Itisofgreatimportanceforenterprisestoshortenmaintenancetime,reducemaintenancecostandimprovetherateofoperationofmachines・Therefore,whetheritisthedesignunitorthemaintenanceunit,itmustbetakenseriouslywhenselectingtherollingbearing・I
6、ngeneral,thestepsforselectingabearingmaybesummarizedas:Accordingtothebearingworkingconditions(includingthetypeofloaddirectionandload,speed,lubricationwayandtheorientationofcoaxialdegreerequirements,ornot,installationandmaintenance,environmenttemperature,etc・)，selectbasictype,tolera
7、ncegrade,andbearingclearance;Accordingtotheworkingconditionandconditionofthebearingandtheliferequirementofthebearing,thebearingtypeisdeterminedbycalculation,oraccordingtotherequirementofuse,Selectthebearingtypeandthelifeofthetest・Checktheratedloadandlimitspeedoftheselectedbearing・C
8、hoosebearinglimitrotationa
