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1、焊条电弧焊单面焊双面成形技术的操作要领与技术（Theoperationandtechnologyofsinglesideweldingofelectrodearcwelding）Theoperationpointandthetechniqueofweldingtheweldingofsinglesideweldingofweldingelectrodearcwelding,weldingandweldingofweldingelectrodeMei-huazhu(jiangsuhongxingpressurevesselmanufacturingco.,L
2、TD.)Abstract:thispapermainlyintroducesthemainpointsandtechniquesofweldingsinglesideweldingofelectrodearcwelding.Namely:"fiveessentials"andthe"sixskills",itistoabsorbanddrawlessonsfromalloverthecountryweldertrainingexperience,onthebasisofafteryearsofexplorationandpracticesumsupaset
3、ofsuitableforboilerandpressurevesselweldingforensicsweldertrainingteachingmethods.Aftermanywelderstrainingcertificate,canachievetheeffectoftwicetheresult.Keywords:singlefacewelding,double-sideforming,maincollar,skill,weldertraining.1,theprefaceOne-sideweldingofdifficultformingtech
4、nologyis,weldingatechnicaloperation,andalsoisakindofskilltest,technicaldurationand,especially,theboilerandpressurevesselweldersmustmasterbasicskills.Assoonaspossibletomasterthesinglesideweldingformingtechnologyofmainpointandskilloperation,isnotonlyeachskilltest,technicaldurationan
5、dtheboilerandpressurevesselwelderconcernoftheforensics,andaroundtheweldertrainingschoolcoachmustbethemaincontentofexplanationanddemonstration.Inthispaper,thefollowingfivekindsofmainpoint(see,hear,quasi,short,control)andsixskills(article,beginningpoint,luck,arc,joint,convergent),if
6、themasterofthe"fiveessentials"and"sixskills"basicmethod,willbeoutoftheinternalandexternalqualityqualifiedweldinginthespecimen.Inthispaper,theapplicationof"fivekeyleads"and"sixtechniques"intheweldingofweldingelectrodearcweldingofweldingelectrodeisintroducedinthispaper.2."fivekey"Se
7、e2.1Intheweldingprocessinadditiontocarefullyobservetheshapeofthemoltenpool,sizeofmeltholeandtheseparationofliquidironandslag,alsoshouldpayattentiontoobservewhethernormalweldingprocess(suchaspartialarc,whetherthecorrectpolarity).Themoltenpoolisgenerallyelliptical(withhighroundtempe
8、rature).Thesizeoftheweldholeiscom
