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1、TALATLecture4201ArcWeldingProcesses:TIG,PlasmaArc,MIG36pages,47figuresBasicLevelpreparedbyUlrichKrüger,Schwei?technischeLehr-undVersuchsanstaltBerlinObjectives:-todescribethearcweldingprocessesTIG,Plasma,MIGandtheirmodificationsinconnectionwithaluminium-thechoiceo
2、fweldingparameters-influenceonmacrostructurePrerequisites:-generalengineeringbackground-basicknowledgeinelectricalengineeringDateofIssue:1994?EAA-EuropeanAluminiumAssociation4201ArcWeldingProcesses:TIG,PlasmaArc,MIGTableofContents4201ArcWeldingProcesses:TIG,Plasma
3、Arc,MIG..................................24201.01Introduction:Gas-ShieldedArcWeldingofAluminium......................44201.02TIGWelding..............................................................................................5PrincipleofTIGWelding.............
4、...........................................................................5TIGWeldingEquipment..........................................................................................6WatercooledTIGWeldingTorch....................................................
5、........................7TorchFormsforTIGWelding.................................................................................8ShieldingGasesforWeldingandCutting...............................................................8FlowMeters..........................
6、...................................................................................9FlowMeterforTorches...........................................................................................9EffectofCurrentandInertGas...........................................
7、...................................10ArgonConsumptionforTIGWelding...................................................................11TungstenElectrodesforTIGWelding...................................................................12InfluenceofCurrentTypeonWeldP
8、ool...............................................................13ArcBurningwithAlternatingCurrent....................................................
