焊接英語參考答案

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Lesson1LookandLearnA.1.electrodes2.electrodeholder3.helmets4.safetyshoes5.glovesB.basemetal-母材heat-affectedzone-熱影響區(qū)bondarea-熔合區(qū)weld-焊縫DialogueA.carbon,electrode,weld,steel,fillet,covering,alloyB.1-f2-a3-e4-g5-c6-b7-dC.E-Electrode70-Theminimumtensilestrengthofthedepositedmetalis70ksi.1-Theelectrodecanbeusedinallweldingpositions,suchasflat,horizontal,verticalandoverheadposition.5-Thetypeoftheelectrodecoveringislowhydrogen-sodium,thetypeofweldingcurrentthatcanbeusedisDCEP.ReadingA.1.No2.Yes3.Yes4.NoB.1.electrodes2.depositedmetal3.lowcarbonsteelLearnmoreA.略B.ElectrodeTypeofcoveringWeldingpositionsTypeofcurrentE7010-Xhighcellulosesodiumflat,vertical,overhead,horizontalDCEPE7020-XhighironoxideflatAC,DCEN,DCEPhorizontalfilletsAC,DCENE8016-Xlowhydrogenpotassiumflat,vertical,overhead,horizontalAC,DCEPE8013-Ghightitaniapotassiumflat,vertical,overhead,horizontalAC,DCEN,DCEPLesson2LookandLearnA:1.powersource2.weldingmachine3.weldingrod4.fluxB:slag-焊渣basemetal-母材moltenflux-熔渣arcpath-電弧空間weldingrod-焊絲moltenweldmetal-熔池fluxhopper-焊劑漏斗weld-焊縫flux-焊劑weldingdirection-焊接方向DialogueA.1-d2-e3-a4-g5-b6-c7-fB.(1)F7A6F-Flux7-Thedepositedmetalwillhaveatensilestrengthofnolessthan70,000psi.A-Aswelded.Itindicatestheimpacttestswerecarriedoutundertheweldingcondition.6-Vnotchimpactstrengthisatleast20ft-lb,theminimumtesttemperatureis-60℉.(2)EM12KE-ElectrodeM-Themanganesecontentoftheelectrodeismedium,max.1.25%.12-Thenominalofcarboncontentintheelectrodeisabout0.12%.K-Theelectrodesteelissiliconkilledsteel.ReadingA.submerged,procedure,arc,manufacturer,voltage,listB.1.weldingrod,flux2.thevoltages3.weldingproceduretestsC.1.No2.Yes3.NoLearnmoreA.略B.ElectrodeandfluxTypeofcurrentTrademarkGBAWSHJ431-H08AF4A0-H08AF6A0-EL12AC,DCEPHJ350-H10Mn2F4A2-H10Mn2F6A0-EH14AC,DCEPSJ101-H08MnAF4A4-H08MnAF6A2-EM12AC,DCEPLesson3LookandLearnA.1.weldinggun2.gascylinder3.flowmeterandgasregulator4.wirefeederB.nozzle-噴嘴workpiece-工件shieldinggas-保護(hù)氣體arc-電弧moltenpool-熔池weldingwire-焊絲weldmetal-焊縫金屬DialogueA.tubular,wire,medium,core,solidB.(1)ER70S-3ER-Electrodeorrod70-Theminimumtensilestrengthis70ksi.S-Solidwire3-Chemicalcomposition(ωC=0.06%～0.15%,ωMn=0.90%～1.40%,ωSi=0.45%～0.70%)andtheshieldinggasisCO2.(2)E70T-1E-Electrode7-Theminimumtensilestrengthis70ksi,aswelded.0-FlatorhorizontalpositionweldingT-Flux-coredelectrode1-TheexternalshieldingmediumisCO2,thecurrentandpolarityisDCEP.ReadingA.1.A,D2.BB.1.thedepositedmetal,thecomposition2.carbondioxideLearnmoreA.略B.ElectrodesER70S-A1ER80S-B2ER80S-D2AlloysystemCarbon-molybdenumChromium-molybdenumManganese-molybdenumShieldinggasArgon/(1～5%)O2Argon/(1～5%)O2CO2Tensilestrength(minimum)/psi750008000080000TestingconditionPostweldheattreatmentPostweldheattreatmentAs-weldedLesson4LookandLearnA.1.tungstenelectrode2.fillerwireforTIGwelding3.contacttube4.electrodeholderB.parentmetal–母材arc-電弧moltenpuddle-熔池nonconsumableelectrode–不熔化電極fillerwire-焊絲nozzle-噴嘴weld-焊縫shieldinggas-保護(hù)氣體DialogueA.tungsten,addition,element,percentage,pureB.1．tungsten2.zirconium3.alloyadditionC.(1)EWPE-ElectrodeW-ChemicalelementtungstenP-Puretungstenelectrode(2)EWCe-2E-ElectrodeW-ChemicalelementtungstenCe-TungstenelectrodecontainsCeriumoxide.2-TheaveragecontentofCeriumoxideisabout2%.ReadingA.1.Yes2.NoB.1.weldingcurrent2.tungstenelectrode3.DCEPLearnmoreA.略B.ElectrodePrincipaloxideElectrodeDiameter/mmCurrentranges/ADCENDCEPACEWPnone0.52～20NO215EWCe-2CeO21.010～75NO15～55EWZr-1ZrO22.010～20015～2585～160Unit2Lesson1LookandLearnA.1.flatposition2.horizontalposition3.verticalposition4.overheadposition5.verticaluppositionwelding6.verticaldownpositionweldingB.1.flatposition2.horizontalposition3.verticalpositionDialogueA.1-d2-c3-b4-e5-aB.1.Yes2.No3.Yes4.NoReadingA.1.weldingprocedurespecification2.basic3.filletwelding4.upward,downwardB.1.horizontalverticalpositionwelding3.filletweldingintheverticalposition5.filletweldingintheflatposition7.verticaldownpositionwelding9.horizontaloverheadpositionwelding11.verticaluppositionwelding13.fixedpipe,horizontalaxis15.rotatingpipe,horizontalaxis17.fixedpipe,verticalaxis2.2F4.3F6.1F8.3F-up10.4F12.PG14.5G16.1G18.2GLesson2LookandLearnA.1.weldingbybothsides2.weldingbyoneside3.multi-layerwelding4.multi-layerandmulti-passwelding5.backbead6.backingbeadB.rootpass-根部焊道fillingbead-填充焊道coverpass-蓋面焊道DialogueA.1-c2-e3-a4-b5-d6-g7-fB.1.slaginclusions2.layersRA.edgesurfacetermcomposeseamsatisfactoryinclusionB.1.Yes2.No3.NoC.1.plugwelds2.filletweld3.spotwelds4.seamweldsLesson3LookandLearnA.1.electrodenegative,straightpolarity2.electrodepositive,reversedpolarityB.K-焊腳尺寸H-焊縫計(jì)算厚度B-焊縫寬度e-余高DialogueA.1-f2-g3-b4-e5-c6-a7-dB.1.B2.A3.C4.CReadingA.1.moreuniform,betterdirected2.DCEP/DCRP3.DCEN/DCSPB.1.No2.Yes3.YesLearnmoreA.略B.1.Acceptable2.Best3.Acceptable4.Best5.Notrecommended6.Notrecommended7.Best8.Notrecommended9.Notrecommended10.Best11.Notrecommended12.NotrecommendedLesson4LookandLearnA.1.squaregroove2.singleVgroovewithrootface3.doubleVgroovewithrootface4.doublebevelgroove5.singlebevelgroove6.singleJgrooveB.grooveangle-坡口角度rootopening-根部間隙rootface-鈍邊DialogueA.1-g2-f3-a4-b5-h6-d7-c8-eB.1.weldingcurrent,heatinput2.coolingspeed,weldingstress3.globulartransfer,spraytransferC.1.Yes2.Yes3.NoReadingA.range,sketch,tabular,peening,dimension,flow,maintenanceB.1.Yes2.No3.NoC.Weldingprocess(es):TIGWeldingpositionanddirection:5GWeldingcurrentandpolarity:DCERBasemetal:1Cr18Ni9TiFillermetalspec.:ER308LSingleormultiplepass:Multi-passWeaving(yes/no):YesMax.:7mmFillermetaldia.(mm):1.6Unit3Lesson1LookandLearn1.electricshock2.arcraysandnoise3.fumesandgases4.explodingparts5.riskofinjuryfromburning6.riskofinjuryfromhotcoolantDialogueA.1-d2-h3-a4-g5-b6-c7-f8-eB.1.No2.Yes3.No4.YesReadingA.1-c2-g3-f4-a5-b6-d7-h8-eB.1.Right2.Wrong3.Wrong4.Right5.Wrong6.RightLesson2LookandLearnA.1.inchforwardbutton2.purgebutton3.storebutton4.diameter/indexbutton5.parameterselectionbutton6.adjustingdialB.keylockswitch-開關(guān)鎖materialbutton-焊接材料選擇鍵modebutton-焊槍操作模式鍵processbutton-焊接方式選擇鍵DialogueA.1-f2-d3-b4-h5-a6-g7-e8-cB.1.No2.Yes3.Yes4.NoC.1.purgebutton2.Parameterselectionbutton3.AdjustingdialReadingA.1-b2-g3-f4-h5-a6-c7-e8-dB.1.Yes2.No3.No4.NoC.1.C2.B3.A4.BLesson3LookandLearn1.pressthetorchtrigger2.holdthetorchtrigger3.releasethetorchtriggerDialogueA.release,value,exit,desired,dial,pressB.1.Store3.Release4.desiredparameter5.Adjustingdial6.StorebuttonReadingA.1.Processbutton2.WireDiameterbutton3.Adjustingdial4.torchtriggerB.1.No2.Yes3.YesLesson4LookandLearnA.1.Confirmtightenconnectionattheoutputterminals2.Checkdustorrustonthefeedroll3.Keepthewirefeederawayfromspatter.4.Don’tdropwirefeeder.B.remotecontrolunit搖控器weldingtorch焊槍wirefeeder送絲機(jī)構(gòu)powersource電源coolingunits冷卻系統(tǒng)trolleyandgas-cylinderholders移動(dòng)小車和氣瓶安裝架grounding(earthing)cableandelectrodescables地線和電極電纜DialogueA.1-f2-h3-d4-a5-g6-b7-c8-eB.1.Weshouldshortenthewirestickout.Weshouldpressthetorchtriggerrepeatedly.Weshouldcleanthesurfaceoftheworkpiece.2.Weshouldarrangethehoseasstraightalineaspossible.Weshouldcheckthattherearenokinksordirtintheinnerliner.Weshouldcheckthecontactpressureonthe2-roller(or4-roller)driveofthepush-pullunit.C.1.B2.A3.CReadingA.1-g2-e3-h4-a5-b6-c7-d8-fB.1.Yes2.Yes3.NoUnit4Lesson1LookandLearnA.1.b2.f3.a4.g5.d6.e7.h8.i9.cB.l-焊縫長度e-焊縫間距k-焊腳DialogueA.1-d2-g3-e4-a5-i6-b7-c8-f9-hB.1.No2.No3.YesC.P3indicatestherootfaceis3mm.“60°”indicatesthegrooveangleis60°.Digit2indicatestherootopeningis2mm;SymbolindicatessingleVgroovewithrootface;Thenumber111indicatestheweldingprocessisshieldedmetalarcwelding.Symbolindicatesthebackshouldbewelded(theweldiscalledbackweld)andthebackweldneedtobepolished.ReadingA.1-b2-g3-e4-a5-f6-c7-dB.A:TheweldissingleVgroovewithrootface,weldedwithbackingandtheweldingprocessissubmergedarcwelding.B:Thefilletweldsizeis8mm,andtheweldisdouble-sidedfilletweld.LearnmoreA.略B.Explanation:TExplanation:Thisisaroundweld,therootfaceis4mm,thegrooveangleis60o,therootopeningis2mm.p4p460o·2Lesson2LookandLearnA.1.anglebar2.roundsteel3.channelsteel4.doubleT-steel5.T-steel6.halfroundsteelDialogueA.1-b2-e3-a4-i5-c6-d7-h8-f9-gB.1.C2.C.3.CReadingA．1-j2-c3-e4-i5-a6-h7-b8-f9-d10-gB.1.order2.onebyone3.plate,profilesteelC.1.First,titlebarmustberead.2.Thenreadtechnicalrequirementsandprocessdocuments.3.Understandcut-awayviews.4.Readpartdrawingsonebyoneaccordingtoprojectionrule.Lesson3LookandLearnA.1.locatingbymarking2.locatingbysampleplate3.positioningbysettingelement4.positioningbyjigframeB.support-支座flange-法蘭barrel-筒體pipe-管子gland-封頭DialogueA.1-j2-i3-d4-b5-a6-h7-c8-e9-g10-fB.1.Yes2.Yes3.NoC.1.Barrelshouldbeassembledfirst.2.Glandsshouldbeassemblednext.3.Assembletheotherpartssuchaspipesandflanges.ReadingA．1-d2-g3-e4-a5-f6-c7-bB.1.Assemblydrawing2.Assembly,welding3.avoidedC.（C）→（D）→（B）→（A）Lesson4LookandLearn1.ship2.pressurevessel3.bridge4.birdnestDialogueA.1-b2-f3-c4-a5-g6-e7-dB.1.No2.No3.YesC.1.B2.AReadingA．1-h2-i3-f4-b5-d6-a7-c8-g9-eB.1.No2.Yes3.Yes4.NoC.1.