DU轴承选型设计.pdf

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1、GLACIERGARLOCKBEARINGSDU/DU-BDryBearingsDesigner´sHandbookQualityAlltheproductsdescribedinthishandbookaremanufacturedunderDINISO9001/2orQS9000approvedqualitymanagementsystems.Technicalapprovals:TestedandapprovedbyMPAStuttgart(forDUTM-B)forstructuralbear

2、ingsforcivilengineeringapplications.Civilaviationauthority(UnitedKingdom):CAAreleaseformaterial,finishedcomponentsandtestmethods.QualitycontrolcommitteeoftheUnitedKingdomMinistryofDefenceundertheheadingof:MODDCLNo.14VGO4AQAP4forbearings,bushes,washersin

3、metalandnon-metalspecifications.Frenchdefenceauthority:RAO-2/6-86-155.NATOauthority:F2107-AQAP4.I©byGLACIERGARLOCKBEARINGSFormulaSymbolsandDesignationsFormulaFormulaUnitDesignationUnitDesignationSymbolSymbolAmm2SurfaceAreaofDUbearingLmmStriplengthAMmm2S

4、urfaceAreaofmatingsurfaceincon-LHhBearingservicelifetactwithDUbearing(slideway)LSmmLengthofstroke(slideway)aB-BearingsizefactorN1/minRotationalspeedaC-ApplicationfactorforboreburnishingormachiningNosz1/minOscillatingmovementfrequencyaE-HighloadfactorpN/

5、mm²SpecificloadaE1-Specificloadfactor(slideways)plimN/mm²SpecificloadlimitaE2-Speed,temperatureandmaterialfactorpsta,maxN/mm²Maximumstaticload(slideways)pdyn,maxN/mm²MaximumdynamicloadaE3-Relativecontactareafactor(slideways)Q-PermissiblenumberofcyclesaL

6、-LifecorrectionconstantRammSurfaceroughnessaM-Matingsurfacematerialfactor(DIN4768,ISO/DIN4287/1)aT-TemperatureapplicationfactorROBWElectricalresistanceBmmNominalbushlengthS3mmBushwallthicknessC1/minDynamicloadfrequencySflmmFlangethicknessCDmmInstalleddi

7、ametralclearanceSSmmStripthicknessCimmIDchamferlengthSTmmThrustwasherthicknessCommODchamferlengthT°CTemperatureCT-TotalnumberofdynamicloadcyclesTammDepthHousingRecessDCmmDiameterofburnishingtoolTamb°CAmbienttemperatureDflmmNominalbushflangeODTmax°CMaxim

8、umtemperatureDHmmHousingDiameterTmin°CMinimumtemperatureDimmNominalbushandthrustwasherIDUm/sSlidingspeedWmmStripwidthDi,ammBushIDwhenassembledinhousingWummMaximumusablestripwidthDJmmShaftdiameterZT-TotalnumberofcyclesDNthnvtMax.t