焊接封头加工工艺中英文对照外文翻译文献Word文件下载.docx
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焊接封头加工工艺中英文对照外文翻译文献Word文件下载.docx
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1.weldingprocess
1.1weldingoperation
Ourfactorycommonweldingmethodsare:
manualwelding,argonarcwelding,submergedarcwelding.
(1)manualweldingismainlyusedforcarbonsteel3-6mmplatewelding.
(2)submergedarcweldingtomorethan8mmcarbonsteelstainlesssteelsheetweldingmainly.
(3)3-6mmstainlesssteelargonarcweldingwithweldingmainly.
CommonlyusedstainlesssteelwireER304andER316Lsteelwire,commonlyusedtoJ422andJ507andJ426andJ427low-temperatureweldingconsumables.FluxofcarbonsteelusedistheHJ431,stainlesssteelcommonlyusedisHJ260,.
Asaresultofweldingwirefluxcanbeeasilyaffectedwithdamp,storedintheinfrareddryingmachine,fluxHJ431andHJ260dryingtemperatureis250-300℃.WeldingwireJ422andJ350dryingtemperaturewere150℃and300℃
Weldingprocessiscompletelyinaccordancewiththe"
welding"
execution,sheetthicknessdeterminestheweldingtoweldingordoublesidedarcweldinginwelding,aftertheweldseaminspection(RTXray)judgmentwithoutpores,cracksandotherdefects,suchasfoundintheabovedeficiencies,totherepair,untilthefilming.
1.2weldingoperationstandard
(1)weldingprocedurecardafterreceivingprocess,affirmtheprocesscardandphysicalmaterial,quantity,unitnumber,specifications,sizeinstructionnumberisconsistent,whetherthereisdebrisaroundthewafer,wafersplasheswhethercleanremoval,suchastreatmentisnotclean,willusethegrindingclean.
(2)thereisnoweldingtestplate,groovecuttingqualitycanmeettherequirement,materialsurfacewithoutobviousdefects,suchasabnormalresponse.
(3)accordingtothe"
Regulations"
weldingprocedurecardcheckofweldinggroovetypeanddimensionscorrespondto.
(4)oneachsideofgroovesurfacegrinding,buttedgeoffsetisnotgreaterthanthe10%thickness,andnotmorethan1.5mm.
(5)pointfixedthefirstweldlayerterminalweldinglengthnotlessthan50mm,arcboardspecificationsshouldbe150*150mmandamaskhavingRarc,teamroundsshouldbegivenwithin8hoursofwelding,ortouseflametothemoistureinsidethebakinggroove.
(6)thewelderholds"
and"
weldingrecords"
forweldingconsumables,weldingtwoclasslibraryforregistration,usingfluxfieldvolumeshouldnotexceed4hours,ortocontinuetobackintotheovendrying.
(7)a,preheatingplatethicknessnotlessthan30mmcarbonsteel,lowalloysteel,thepreheatingtemperatureofweldingprocessby"
card"
"
standard"
provisionsoftheweldingtechnology.
B,preheatingrangewidthnotlessthan4mmandnolessthan100mm.
C,intheprocessofweldinggrooveatanytimetemperatureshallnotbelessthantheprescribedtemperature.
D,whenweldingtemperatureisbelow0℃(arbitrarythickness)mustbeheatedto15℃oraboveinordertowelding.
(8)abeforewelding,weldingtoweldingequipmentinspection,examinationwasnormalbeforeweldingfacilities.
AccordingtoB,"
"
therequirementsofweldingprocesswelding,weldingandfillintherecords
C,welding,weldinglayersshallbeinaccordancewith"
requirements,weldingshallnotbealargecurrent,lesslayers.
(9)removaloftheroota,stainlesssteelcleaningbeforetherootgroovesides,withintherangeof300mm,splashingpaintcoating.
B,usingcarbonarcairgouging,shouldbeselectedaccordingtotherequestcarbonroddiameter.
C,rootcleaning,grindingcleaninggrooveandtwosidetheexistenceofcarburizedlayer,oxide,slagandothersundries.Grindingwidth:
manualwelding,rust,oxideabove20mm,oil30mmabove,automaticwelding,rust,grease,oxides25mm50mmgrooveinnergrindingrequirements,carbonsteel,lowalloysteelδn≤10mmweld,itstwoendswithintherangeof300mmcarburizedlayermustbecompletelyremoved,therestpartallowstheremovalofmorethan50%.Othernon-ferrousmetalsmustbecompletelyclear.[3]
D,rootcleaning,compositesteelCr-Mo,manualweldingandthethicknessofδn≥30mmweldsshallbeexaminedbyPT.
(10)duringtheprocessofweldingdefectrepairbyweldingrepairweldingrepairmonitorinstructionexperiencedweldersas.Repairweldingprocessshouldeliminatesolderingphenomenon,orpolishedafterwelding,thefollowingdefectsmustberemovedbeforeweldingtoweldingcrack,①partial②③pitsthestoma
Ashallnotbelowerthantheparentmaterial,weld.
B,thereshallbenoundercutting.
C,withoutremovingtheresidualhighseam.Thesurfaceshallnothavecracks,pores,crater,undercutandslaginclusions,andmaynotretaintheslagandspatter.
D,removalofresidualhighweldinspectionshallnothaveanydefectdisplayPT.
E,suchasthedefectsofcarbonsteel,low-alloysteelrepairprocedures:
agrindingwheeloracarbonarcgougingpolishingcleaning→PTcheckgrindergrindingouttheweldinggr
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