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1、中英文资料外文翻译文献Headprocessingtechnology1.weldingprocess1.1weldingoperationOurfactorycommonweldingmethodsare:manualwelding,argonarcwelding,submergedarcwelding.(1)manualweldingismainlyusedforcarbonsteel3-6mmplatewelding.(2)submergedarcweldingtomorethan8mmcarbonsteelstainlesssteelsheetweldingmainly.(
2、3)3-6mmstainlesssteelargonarcweldingwithweldingmainly.CommonlyusedstainlesssteelwireER304andER316Lsteelwire,commonlyusedtoJ422andJ507andJ426andJ427low-temperatureweldingconsumables.FluxofcarbonsteelusedistheHJ431,stainlesssteelcommonlyusedisHJ260,.Asaresultofweldingwirefluxcanbeeasilyaffectedw
3、ithdamp,storedintheinfrareddryingmachine,fluxHJ431andHJ260dryingtemperatureis250-300℃.WeldingwireJ422andJ350dryingtemperaturewere150℃and300℃Weldingprocessiscompletelyinaccordancewiththe"welding"execution,sheetthicknessdeterminestheweldingtoweldingordoublesidedarcweldinginwelding,aftertheweldse
4、aminspection(RTXray)judgmentwithoutpores,cracksandotherdefects,suchasfoundintheabovedeficiencies,totherepair,untilthefilming.1.2weldingoperationstandard(1)weldingprocedurecardafterreceivingprocess,affirmtheprocess21cardandphysicalmaterial,quantity,unitnumber,specifications,sizeinstructionnumbe
5、risconsistent,whetherthereisdebrisaroundthewafer,wafersplasheswhethercleanremoval,suchastreatmentisnotclean,willusethegrindingclean.(2)thereisnoweldingtestplate,groovecuttingqualitycanmeettherequirement,materialsurfacewithoutobviousdefects,suchasabnormalresponse.(3)accordingtothe"Regulations"w
6、eldingprocedurecardcheckofweldinggroovetypeanddimensionscorrespondto.(4)oneachsideofgroovesurfacegrinding,buttedgeoffsetisnotgreaterthanthe10%thickness,andnotmorethan1.5mm.(5)pointfixedthefirstweldlayerterminalweldinglengthnotlessthan50mm,arcboardspecificationsshouldbe150*150mmandamaskhavingRa
7、rc,teamroundsshouldbegivenwithin8hoursofwelding,ortouseflametothemoistureinsidethebakinggroove.(6)thewelderholds"welding"and"weldingrecords"forweldingconsumables,weldingtwoclasslibraryforregistration,usingfluxfieldvolumeshouldnotexceed4
