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精品文档TheDesignoftheWeldingJunetionClampofMotorcar[Abstract]Theintroducesthedesignmethodandconstructionofthe谢谢阅读weldingjunctionclampofmotorcar.感谢阅读KeyWords:WeldingassemblyBaseClampLoeation感谢阅读1.IntroductionAssemblyandweldingfixtureintheautomotivebodyassemblyandwelding谢谢阅读productionlinecriticalprocessequipmentrelatedtomanufacturing感谢阅读qualityofthecar.Inweldingproduction.谢谢阅读Assemblyandweldingfixturesinadditiontothecompletionofthisprocess精品文档放心下载thepartsassembly,positioning,thealsoservedasatestandcalibrationproceduresontheRoad,感谢阅读weldingpartsweldingqualityofthetask,soitsdesignandmanufacturethewelding感谢阅读processaffectsthelevelofautomobileproductioncapacityproduct感谢阅读quality.Automotivestylevary,weldingfixtureshapeandthusvarywidely,butin感谢阅读thedesign,manufacture,adjustmentshaveincommon,youcanlearnfromeach感谢阅读other.2.thestructuraldesignofweldingfixture感谢阅读Fixturestructuraldesign,toensurethatthefolderhasagoodconvenience感谢阅读ofoperation,clampingpositioningreliability.Fixturemanufacturersalso谢谢阅读adjustedtoensureeasyintegrationofvariouspartsofthestructuresurface精品文档放心下载shouldallowsufficientroomforadjustmenttoensurethethree-dimensional精品文档放心下载adjustable.accuracyoftheweldingqualityandwelding感谢阅读thepremisethestructurefixtureshouldbeassimpleaspossible.感谢阅读Fixturedesignisusuallythegeneraluseweldedstructures,thebasic感谢阅读componentisdividedintothreeparts,namelybase,supportthepositioning感谢阅读part,clampingparts,foreachspecificfixturepositioningsupportbaseand感谢阅读1欢迎下载。精品文档someofthegeneraluseof10to20mmthicksteelplateweldedstructure精品文档放心下载A3.Clampingpartofthenormal10mmwithathicknessofabout45combination谢谢阅读ofweldedsteelplate.Pneumaticmanualclampingpartofthetwo,精品文档放心下载accordingtothesizeofcarproductionclampingmethodtodeterminethe精品文档放心下载generalhigh-volumepneumaticclamping,thenmanuallyclampingcanused感谢阅读asauxiliaryclamping;smallquantitiesinordertoreducethecostof谢谢阅读manuallyclampManualclampingisusuallymanuallyfastclip,谢谢阅读quickclipoftheirproductshasbecomethestandard,typeandquantityneeded精品文档放心下载canbepurchasedinthemarket.Forsomefixturesrequireapneumaticclamping,谢谢阅读directusepneumaticclamping.Maydamagetheworkpiece,then,can感谢阅读bemanuallypressedfirstplace,togiveapneumaticclampingforcetoclamp谢谢阅读theworkpiece,whichismanual-PneumaticJthefixtureclampingsystem精品文档放心下载isinstalledonalargeplatform,guaranteedfixtureinthewelding精品文档放心下载positionofweldingconditionsshouldbeconsistentthedesignofthe谢谢阅读workpiececoordinatedimensions,whichinvolvesthepositioningfixture谢谢阅读benchmarks.3assemblyandweldingfixturesbenchmarkstheirchoicesupport精品文档放心下载surface3.1tflip-chipbenchmarktestfixture谢谢阅读Eachfixturemustbeafixturecoordinatesystem,inthiscoordinatesystem,感谢阅读thecoordinatesofitsbaseofsupportsizeshouldbesupportingtheworkpiece精品文档放心下载andthecoordinatescorrespondingtothesamesize.Fixturecoordinatesystem精品文档放心下载isestablishedbasedfixturethechildbase.谢谢阅读Becausethewholefixturesystemtoguaranteeaspaceautoweldingpieces感谢阅读ofthree-dimensionalcoordinatesystem,sothissysteminallofthefixture

mustacommonbenchmark,thisbenchmarkisthefixturetoinstall精品文档放心下载platformthatistheX,YZuoBiao,eachspecificfixtureinplatformlocation,thecorrespondingheightshallcoordinateZ,sothatthree-dimensionalXYZcoordinatesystemisestablished.Inordertofacilitatetheinstallation感谢阅读2欢迎下载。精品文档measurementfixture,installtheplatformmustthecoordinatesof感谢阅读reference,theregenerallythreetypesofstructurebelow:谢谢阅读3.1.1Thequasi-holemethodTomb谢谢阅读Installationofplatformdesignisthefourreferenceholes,hole感谢阅读inthecenterofthetwoconnectionlinesformacoordinatedirection,thefourholesconstitutethe谢谢阅读coordinatestwoperpendicularlines.This,XYplanecoordinatesystemtheset.The谢谢阅读establishmentofthisbenchmarkisrelativelysimple,easytoprocess,themeasurementsused精品文档放心下载inconjunctionthebaseBaseblockisarectangularblocksizeoftheof谢谢阅读accuratemeasurement,theplatformisinstalledintothebaseholeinthe谢谢阅读marketing,referenceblockasideclosetothetwobenchmarksto感谢阅读formacoordinatedirection.精品文档放心下载3.1.2V-typetolawThisapproachisintheprocesstoinstalltheplatformintoeachoftwo精品文档放心下载90-degreeV-groove,whichV-grooveaplanesurfaceperpendiculartothe谢谢阅读installationofplatform,suchplaneperpendiculartotheplatform,thetwo感谢阅读V-groovegroovethesurfaceoftheformXYplanecoordinatesystem.谢谢阅读3.13referenceblockmethod谢谢阅读Referenceblockusingthesideperpendiculartothetwoconstitutive感谢阅读three-dimensionalXYZcoordinatesystem,usuallyafixturebasewith3to4blockscanbedirectly精品文档放心下载installedontheplatformcanalsoaddabearingfixedtothefixtureplatform,感谢阅读requiresreferenceblockThelastplanetocontroltheheightmustbeconsistentwiththedirection.Manufacturingtoadjusttheblockfrontofthetwomethodsisrelativelydifficult,themeasurementisconvenient,especiallytheuseofCMMmeasurements.Blockmethoda精品文档放心下载3欢迎下载。精品文档benchmarkinstallationplatformprocessingrequirementsare感谢阅读relativelylow,alargersizeoftheinstallationplatformshouldthis精品文档放心下载3.2Thechoiceofbearingsurface谢谢阅读Bearingsurfaceshouldbeusedwhenweldingpiecesarefixedonthesurface精品文档放心下载ofthecutplanetoplaneandinstalltheplatformangleisnotgreaterthan感谢阅读15degreesonthesurface.Asfarpossiblethedetectionsurface谢谢阅读weldingpiecesthesame,surfacefarpossibleorder感谢阅读tofacilitateprocessingadjustment.Structureshoulddesigned谢谢阅读bearingsurfacecanbeeasilyprocessed,withthenumberofmodulesforthe谢谢阅读productcanbeusedtoprocessbearingNCsurface,inthedesign,thecar精品文档放心下载coordinateXipointwasnotnecessarilysuitedfixturebearingsurfacewith精品文档放心下载whichrequiressupportingthefixtureblockaccesspointSasthebase,谢谢阅读theestablishmentofadigitalsurface,thissurfaceshouldbeconsistent精品文档放心下载theBearingsurface,sothatwhenitmanufacturedtoSbasepoint精品文档放心下载forNCmachining,precisionmachiningandassemblydebuggingeasy.精品文档放心下载4.positioningtheworkpiece感谢阅读Thegenerallocationoftheworkpiecestoholesorobvioussurfacefeatures感谢阅读asthepositioningreferencesurface.Thepositioningpinsarecommonlyusedcomponents.感谢阅读Fixturepositioningsub-activities,fixedpositioningoftwo,forsomejobs,inorderto谢谢阅读facilitatetheworkpieceintoandout,positioningtheformofoptional谢谢阅读activities,eventsblockpinpositioningstructuretheform谢谢阅读sub-pneumaticmanual,principle,theworkpieceseeded,感谢阅读positioningpiecestoopenintotheworkpiece,thepositioningpiecesout,感谢阅读thenclamp;workpieceremoved,thepositiontoreturnitemsbeforeand精品文档放心下载afterclamprelease.Activitiescanbeusedlocatepiecesthemovement感谢阅读4欢迎下载。精品文档structureofpan-typeorflip-style,pan-typestructureisusuallygiven感谢阅读priority.5weldingpiecesofthestationtransfer精品文档放心下载Mostweldingpartstobeweldedseveralstation,soneeds精品文档放心下载transmissiondevice,usuallytoavoidinterferenceweldingfixture,the精品文档放心下载workpieceinthetransmissionbeforethefirstpiecerises,whichrequires感谢阅读useelevator,liftingbodiesGearrack,four-link,etc.,rackpinion谢谢阅读drivestructureprocessingandstructurearenotgood.usuallylink感谢阅读structureSt