Systems & Components 151

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1、Systems&ComponentsAerodynamics151151WhoShouldAttend•Corrosion•GeneralCorrosionThisseminarisintendedfordesign,analysis,testorproduction•PerformanceofCoatingsengineerswhodealwiththreadedfasteners.Althoughtheseminar•GalvanicCorrosioncontentwasdevelopedforengi

2、neers,thematerialwouldalsobe•CreviceCorrosionusefultootherswhodealwiththreadedfastenersincludingdesigners,technicians,productionandmaintenancesupervisorsandmanagers.PART4-PreloadandAssembly•LossofPreloadPrerequisites•BasicBehaviorTheattendeeneedslittleifan

3、ypreviousexperiencewiththreaded•SourcesofLossofPreload--Selfloosening;preloadrelaxation;fasteners.Theattendeeshouldhavecompletedthestandarddifferentialthermalcontractionundergraduatecoursesinstressanalysisandmaterialscience.•MethodstoPreventLossofPreload--

4、Selfloosening;preloadrelaxationTopicalOutline•MethodstoControlPreloadPART1-Geometry,MaterialsandStandards•Tools•Introduction•PotentialAssemblyProblems•Bolts,rivetsandpins•ControlofPreload•Areyoubreakingfasteners?•TorqueControl•Doyouhaveahappyjoint?•Stretch

5、Control•Geometry•TensionControl•Threadedfastener--Head,threads•TurnControl•Nuts•Torque-TurnControl•Washersandotherelements•YieldControl•MaterialsandManufacturing•MaterialProperties&FastenerTestingInstructor:JessJ.Comer•FastenerGradesandClassesFee$12651.3CE

6、Us•NutGradesandClasses•SelectionNut&Fastener•FormingMethod•CoatingsandFinishesTireandWheelSafetyIssues•OtherFastenerMaterial1DayPART2-BehavioroftheBoltedJointI.D.#C0102•JointDiagram•Introduction•Behavior-AxialLoadingOneofthemostimportantsafetycriticalcompo

7、nentsoncars,•PreloadandClampLoadtrucks,andaircraftisthepneumatictire.Vehicletiresprimarily•JointConstantcontrolstoppingdistancesonwetanddryroadsorrunwaysand•Separationstronglyinfluenceover-steer/under-steerbehaviorinhandling•JointDiagrammaneuversofcarsandt

8、rucks.Theinflatedtire-wheelassembly•Hardvs.SoftJointalsoactsasapressurevesselthatreleasesalargeamountofenergy•ApplicationofJointDiagramwhencatastrophicallydeflated.Thetirecanalsoserveasafulcrum,•Applicationof