轴承安装和拆卸.ppt

轴承安装和拆卸Installationandremoval,Bearinginstallationandremoval,Cleanliness清洁,Planthework准备工作,Inspectionandpreparation检查和准备,Whydoesabearingneedtobeproperlyfittedonshaftandinhousing?为什么轴承需要正确的安装在轴上和轴承座里,Tofullyusetheloadcarryingcapacityofthebearing完全承载Topreventringsfromturningonorintheirseatingunderload防止轴承圈移位Toguaranteeadequateinternalclearance保证适当内部间隙Toreachbearinglifeexpectancy达到轴承预期寿命Tomakesaferandeasiermountinganddismounting使拆装安全简便Topermitaxialdisplacementforfloatbearing允许浮动轴承轴向移动,Bearinginstallationandremoval,Directshaftmounting,cylindrical/straightbore直孔轴承直接装在轴上。Directshaftmounting,taperedbore锥孔轴承直接装在轴上Taperedadaptersleeve锥孔适配套Pull-type紧定套Push-type退卸套,Bearinginstallationandremovalforsphericalrollerbearings调心滚子轴承的拆装,Bearingmountingarrangement轴承安装简介,Dirtyworkbench不够清洁的工作台,Designateasuitableworkingarea指定一个合适的工作区Cleanassemblyareaandtools清洁装配区和工具Thefollowingtoolsshouldbeaccessiblebeforeassemblyprocedureisstarted:eyebolts,handlingfixtures,hooks,slings,wrenches,gaugesandlubricatingequipment.事先准备好常用工具比如吊环螺栓，工装夹具，吊钩，吊带，扳手，量具和润滑设备,Preparationformounting准备安装,Bearinginstallationandremoval,Cleanworkbench干净的工作区,Straightborebearingmounting直孔轴承安装,Bearinginstallation轴承安装,Bearinginstallation轴承安装,Donotusetorchtoheatbearings不要用喷枪加热轴承,Inductionheating感应加热,Bearinginstallation轴承安装,Inductionheater感应加热器,Heatinginoilbath油浴加热,Temperature温度:250FDuration时间:variesaccordingtosize根据尺寸调整15minutestotwohourssoaktime浸入时间,Bearingmounting轴承安装,BearingsupportblockNon-conductive轴承支撑块，不导热的,Oilhighflashpoint热油,Flameburner火源,Bearingheldfrombottombyscreen用网隔与底部隔开,Preparingforinstallation准备安装,Checkfordebris检查毛刺,Raisedareasunacceptable不允许毛刺突起,Ensureshaftintegrity保证轴的平直,Shaftandhousinginspectionprocedure轴和轴承座检查步骤,Shaftandhousingdimensions轴和轴承座尺寸Size尺寸ODtolerance外径公差Roundness圆度One-halfODtolerance外径公差的一半Straightness平面度One-halfODtolerance外径公差的一半,Sizeaveragediameter尺寸Formroundness,straightness(taper)形状Surfaceroughnesstopography表面质量,Importantshaftandhousingattributes,ShaftStraightTapered,63rms(1.6Ra),HousingFixedFloat,50rms(1.25Ra),125rms(3.2Ra),63rms(1.6Ra),Checkinangularplanes检查带锥度的面80%conformityrequired要求吻合度,Prussianblueandprecisionstraightedgeorsinebarconfirmssurfacetopography用普鲁士蓝和精密直规确认表面质量,Checkshaftshoulderfilletradius检查轴肩倒角,Filletradiustoolarge倒角过大,CorrectFilletradius正确,Shaftshoulderdiameter轴肩尺寸,Shouldertoosmall轴肩过低,Shouldertoolarge轴肩过大,Correctshaftshoulderdiameter正确的轴肩,Handlinghotbearing搬运热轴承,Handlinghotbearing安装热轴承,Ensurebearingisflushwithshaftshoulder保证轴承与轴肩平齐,.002”feelergage塞规,Holdbearinginpositionwhilecooling在冷却时压住轴承,Protectthebearing保护轴承,Mountingtapered-boresphericalrollerbearing锥孔调心滚子轴承的安装,Sinebarsetup正弦规配置,Eightypercentconformityrequired测量吻合度,MeasuringbenchRIC测量安装前径向游隙,Drivebearinguptaperedjournal将轴承推装在轴上,Hydraulicnut液压螺母,CheckmountedRIC测量安装后间隙,Lockwasherandnut锁紧垫片和锁紧螺母,Lockplateandnut锁紧板和锁紧螺母,Pull-typetaperedadaptersleeve紧定套,Push-typetaperedadaptersleeve退卸套,BearinginSAFstylepillowblock,Stabilizingringinsideofblock固定环在轴承座内,Bearingremoval轴承拆卸,Bearingremovaltools轴承拆卸工具,Bearingremoval轴承拆卸,Pullers拉拔器,Pullerwithhydraulicassist带液压辅助设备的拉拔器,InnerRing内圈,ApplyPressureOnlyOnTightFittedRing仅在紧配合的轴承圈上施力,OuterRing外圈,flush,Journalwithhydraulicremovalfeature轴颈上带有液压拆卸槽,Loosen,donotremove松开螺母，但不要拿掉！,Mechanicsofhydraulicremoval液压拆卸的机械结构,Pressuremovesbearingdown油压使得轴承被拆下,Straightboreremovalwithhydraulicassist液压辅助直孔轴承拆卸,Hydraulicdismountingcircumferentialgroove拆卸用液压环形槽,Properinstallationandclearances正确地安装和清洁Accurateshaftandhousinggeometry精确的轴和轴承座形状Systemal