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SKFHighBackingBearingsPresentedtoSalesteamPresentedbyMorrisMoGeneral2014-05-16©SKFSlide2[Code]SKF[Organisation]©SKFGroupSlide RollingMillStand–Ztype-©SKFGroupSlide RollingMillStand–ClusterMillcoldrollingmillforhighstrengthmaterial,e.g.stainlesssteelforflatproductcanoperateinboth©SKFGroupSlide 20HiSendzimir©SKFGroupSlide 20HiSendzimirMill-Backing©SKFGroupSlide 20HiSendzimirMill-Backing©SKFGroupSlide Mill©SKFGroupSlide SKFBackingBearingDesigns©SKFGroupSlide SKFlifecyclemanagement设计开计划

试验及安装及及改运行及监©SKFGroupSlide BackingBearingArrangements布局Backing©SKFGroupSlide SKFHighPrecisionBacking©SKFGroupSlide BackingBearing-withoutThrustThrust©SKFGroupSlide BackingBearingwith©SKFGroupSlide BackingBearingSealed©SKFGroupSlide ProductDesignFeatures特2014-05-16©SKFSlide SKF[GroupSixRollerProfile©SKFGroupSlide SKFBackingLogarithmiccontactprofileandstress©SKFGroupSlide SKFBackingBearings–DesignØBainitehardeningisstandardheatüSurfacehardness>58üLesssensitivetocoldweldingtotheintermediateüLessriskofheatcracksoccurringinthesidefacesinwiththethrustüToughermicrostructureandlessriskofØDynamicsectionheightmeasurementmeansrunoutofmax.5µmoftheassembled©SKFGroupSlide SKFBackingBearings–DesignOuterRingØHighqualityofouterringsurface(roughnessRa<0,2ØEdgedroponouterdiameterwithradiusonbothtoavoidedgestresses(similartolog.ØRunningaccuracybetterthan©SKFGroupSlide SKFBackingBearings–DesignInnerRingØRunningaccuracybetterthanP4(Kia<6ØBoretoleranceacc.P6©SKFGroupSlide SectionHeight2014-05-16©SKFSlide24SKFSKFBacking©SKFGroupSlide InnerRingLoad©SKFGroupSlide SectionHeightMeasuring©SKFGroupSlide 横截面高度横截面横截面高度横截面高H最最-A0-B--C--40-3--2--1--0--通常分成三个等级组,高度差异为5通常分成三个等级组,高度差异为5最大壁厚的位置在内圈和外圈的侧面用©SKFGroupSlide Life2014-05-16©SKFSlide29SKFDesignRulesforBacking©SKFGroupSlide LifeTime©SKFGroupSlide LifeTime©SKFGroupSlide BackingBearingServiceReducedØStripØInsufficientlubricationØIncorrectmaintenanceØWornsaddles©SKFGroupSlide Lubrication2014-05-16©SKFSlide SKF[GroupSix -水/油乳浊液粘度在摄氏40度时应至少有8~12毫米DD滚动流率(每轴承30,30,3516050,50,51601022070,70,5220158,80,820300至1,21,230030至1,81,8从55©SKFGroupSlide ©SKFGroupSlide ©SKFGroupSlide Maintenance 把内圈调转到新负荷 300至 400至重磨支承轴承的外 ©SKFGroupSlide GrindingØ ItoØGrade 60tomØ highqualitymØWheel 25to30ØArbor approx.30Ø Ra<=0.2Ø suitableoil©SKFGroupSlide BackingBearings–©SKFGroupSlide ProposalSKFBackingBearings–(130x300x©SKFGroupSlide SKFBackingBearings–(314833©SKFGroupSlide SKFBackingBearings–(314833©SKFGroupSlide SKFBackingBearings–©SKFGroupSlide SKFBackingBearings–©SKFGroupSlide

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