焊接封头加工工艺中英文对照外文翻译文献.docx

焊接封头加工工艺中英文对照外文翻译文献.docx

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焊接封头加工工艺中英文对照外文翻译文献

（文档含英文原文和中文翻译）

中英文外文翻译

Headprocessingtechnology

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"welding"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"welding"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