metal_face_seals_v3[1].pdf

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1、IntroductionDesignThedesignofaCaterpillarmetalfacesealcompensatesformanymanufacturingandoperatingCaterpillarPrecisionSeals(CPS)istheleadingvariables.Twometalsealingringsfloatinposition;manufacturerofmetalfaceseals.Metalfacesealstwoelastomericloadringsexertuniformpressuretoaddressdifficul

2、tsealingapplications-applicationsaccuratelypositionthemetalringsandserveasthewhereradial-liptypeelastomericsealswouldfail.staticsealbetweenthehousingandthesealring.TheloadringsalsotransmitstheturningtorquefromDuringthelate1950's,manufacturersofearth-thedrivehousingtothesealring.Positives

3、ealingmovingequipmentneededanewtypeofsealtocontactisprovidedregardlessofassemblytoleranceimprovelubricantretentiononundercarriagestackup,shaftdeflection,axialendplay,eccentricity,componentsimmersedinhostile,abrasive,andorvibration.corrosiveenvironmentswhereelastomericshaftsealsquicklywor

4、eout.TwonewsealdesignswerecreatedwhichpermanentlysealedtheundercarriageMetalFaceSealFeaturescomponents.-Corrosion-resistantsealringsThesearereferredtoas“MetalFaceSeals”.-Precisionlapped,self-renewingsealingsurfaces-MinimumfaceloadvariationsDevelopedforprotectionofequipmentworkingin-Speci

5、alsealandloadringmaterialstomatchthemostadverseconditions...mud,rock,sand,andapplicationrequirementswater...desertheatandarcticcold,metalfacesealsprovidelubricantretentionandexcludeRotatingspeed,lubrication,temperature,andcontaminatesinallapplications.Fortyyearsofdifferentialpressurearef

6、actorstoconsiderwhenexperienceacrossalltypesofconditionshavedeterminingsealfaceloads.Metalfacesealsprovenalongservicelifewithlowmaintenanceandprovidegoodperformanceacrossawiderangeofsuperiorprotectionforyourproducts.faceloads,therefore,compensatingforconsiderableassemblytolerancebuildup,

7、misalignment,andCPSofferstwotypesofmetalfaceseals-DuoConewear.andDF(HeavyDutyDualFace).BothsealdesignsuseelastomericloadringstoprovideloadingfortheRecommendedOperatingmetalcomponent.BothdesignsusethecontactConditionsareabetweenthemetalsealingringstocreateastaticanddynamic