轴承安装和拆卸.ppt

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1、轴承安装和拆卸InstallationandremovalBearinginstallationandremovalCleanliness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

2、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BearinginstallationandremovalDirectshaftmounting,cylindrical/straightbore直孔轴承直接装在轴上。Directshaftmounting,taperedbore锥

3、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Thefollowingtoolsshouldbeaccessiblebeforeassemblyp

4、rocedureisstarted: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BearinginstallationandremovalCleanworkbench干净的工作区Straightborebearingmounting直孔轴承安装Bearinginstallation轴承安装Bearinginstallation轴承安装Donotusetor

5、chtoheatbearings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:<250°FDuration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Bearin

6、gheldfrombottombyscreen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-halfODtol

7、erance外径公差的一半Size–averagediameter尺寸Form–roundness,straightness(taper)形状Surfaceroughness–topography表面质量ImportantshaftandhousingattributesShaftStraightTapered63rms(1.6Ra)HousingFixedFloat50rms(1.25Ra)125rms(3.2Ra)6