紧固件运用

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1、AnAerospaceManufacturingPerspectiveAerospaceFastenerApplicationsPart21AerospaceRivetsPrimarilyusedtofastenaerospaceskinstothesub-structureConcernedmainlywithshearandtensionloads.Twotypesofrivets:SolidRivetBlindRivet2AerospaceRivets3RivetsontheskinofaBoeing

2、737AerospaceSolidRivets4AerospaceSolidRivets5UniversalsolidrivetsontheskinofaBoeing737NotethattheyarenotflushwiththeskinAerospaceSolidRivets6CountersunksolidrivetsontheenginepylonofaBoeing737NotethattheserivetsareflushwiththesurfaceAerospaceSolidRivets7Aer

3、ospaceSolidRivets-IdentificationRivetsmanufacturedinaccordancewiththeAN/MSstandardsareidentifiedbyafourpartcode:ANorMSspecificationandheadtypeoneortwolettersthatindicatethematerialshankdiameterin1/32ndinchincrementsadashfollowedbyanumberthatindicatesrivetl

4、engthin1/16thinchincrements.8AerospaceSolidRivets-Identification9Aircraftrivetsaremadeofmanymaterials,andcomeinawidevarietyofshapesandsizesHowdoyouselecttherightsize?Howdoyouselecttherightmaterial?Wemustknowwhatthepartnumbertellsus…AerospaceSolidRivets-Ide

5、ntificationExample:rivetidentificationstandarduniversalheadsolidrivetMaterial:2117-T4aluminium1/8inchdiameter5/16inchinlengthRivetID=eitherAN470AD4-5orMS20470AD4-510AerospaceSolidRivets-IdentificationSamerivet,differentmaterial:1100aluminiumAN470A4-5orMS20

6、470A4-5.AN470orMS20470denotethespecificationforuniversalheadtypesADisthematerialcodefor2117-T4(A=1100,B=5056,C=copper,D=2017,DD=2024,F=stainlessandM=Monel)4=4/32or1/8inchdiameter-5=5/16inchlength11AerospaceSolidRivetInstallationRivetinstallationsummaryDril

7、lappropriatelysizedholesDeburrholesSecurepiecestogetherwithClecosInstallrivet,buckwithrivetgunorusearivetsqueezer12AerospaceSolidRivetInstallation13.032”2024-T6sheetaluminumtobejoinedwithrivetsRivetgunBuckingbarDrillDrillbitandchuckkeyCenterpunchClecoCleco

8、pliersAerospaceSolidRivetInstallation14Drillingholeswitha#30drillbitUse1/8”rivetswitha#30(.1285”)drillbitAerospaceSolidRivetInstallation15Deburrtheholesbyrotating(byhand)amuchlargerdrillbitintheholesThisremov