Liccoln WPHB - Section 05 (Welding Processes)

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1、Section5WELDINGPROCESSESSECTION5.0SECTION5.5INTRODUCTIONSPECIALIZEDARC-WELDINGPROCESSESElectroslagWelding....................5.5-1ElectrogasWelding....................5.5-3SECTION5.1StudArcWelding.....................5.5-3THESHIELDEDMETAL-ARCPROCESSPlasm

2、aArcWelding...................5.5-4PageAtomicHydrogenWelding..............5.5-5PrinciplesofOperation.................5.1-2OtherAdaptations.....................5.5-6PowerSource.........................5.1-3SECTION5.6SECTION5.2SELECTINGAWELDINGPROCESSTHESU

3、BMERGED-ARCPROCESSTheFour-StepProcedure...............5.6-2GeneralPrinciplesofOperation..........5.2-1STEPIAnalysisofJointRequirements..5.6-2AdvantagesoftheProcess..............5.2-2STEPIIMatchingJointRequirementswithProcessVariations....................

4、.5.2-4Processes.........................5.6-5Fluxes...............................5.2-5STEPIIITheCheckList.............5.6-5ProcessVariables......................5.2-5STEPIVReviewofApplicationbyManufacturer'sApplicationandEconomies..............5.2-6Repr

5、esentative.....................5.6-6SystemizingtheSystematicApproach.....5.6-6SECTION5.3THESELF-SHIELDEDFLUX-COREDPROCESSAdvantagesoftheProcess..............5.3-3SECTION5.4THEGAS-SHIELDEDARC-WELDINGPROCESSESTheGas-ShieldedFlux-CoredProcess.....5.4-1GasMe

6、tal-ArcWelding(GMAW).........5.4-2GasTungsten-ArcWelding(GTAW)......5.4-4ElectrodesandPolarity.................5.4-5ShieldingGases.......................5.4-6PowerSupplies.......................5.4'6AdvantagesandDisadvantages...........5.4-6EquipmentArra

7、ngement................5.4-7ManualWeldingTechniques.............5.4-7AutomaticWeldingTechniques...........5.4-8MaterialsWhichCanBeWelded.........5.4-8OtherApplications.....................5.4-95.0-1IntroductionTheAmericanWeldingSocietyidentifiesoverusedw

8、idelyforindustrialapplicationswherepro•17metalsjoiningprocesseswhichareusedcom•ductionratesarehigh,butthehighcostofequipmentmercially.Theseprocessescanbegroupedintosixprecludestheuseforsmallproductionruns.categoriesasfollo