焊接檢查培訓(xùn)課件

Module4WeldJointGeometry(第4單元焊接接頭幾何形狀）WeldingandNDESymbols焊接和無損檢測符號）

Module4WeldJointGeometryANSI/AWSA3.0-94StandardWeldingTermsandDefinitions（標(biāo)準(zhǔn)的焊接術(shù)語和定義）ANSI/AWSA3.0-94StandardWelIntroduction-1of2(簡介-1/2）Thegeometryofjointsandweldsmustbeclearlystatedandunderstoodbyallpartiesinvolvedwithfabrication（接頭和焊縫的幾何形狀必須清楚的說明，且應(yīng)讓所有參與制造的部門理解）TerminologyusedperA3.0andA2.4（使用的術(shù)語參見A3.0和A2.4）Don’tuseslangterms（禁用俚語）Weldingsymbolsareashorthandmethodforclearlystatingexactlywhatweldingistobedoneandwhere（焊接符號是一種速記方法，它清楚的說明是什么焊縫，在哪焊。）Introduction-1of2(簡介-1/2）TheIntroduction-2of2(簡介-2/2）

JointandWeldgeometryperA3.0-94（接頭和焊縫幾何形狀按照A3.0-94來定義）ClassroomdiscussiononA3.0（課堂討論A3.0）WeldingSymbolsperA2.4-98（焊接符號按照A2.4-98）ClassroomdiscussiononA2.4-98（課堂討論A2.4-98）WITModule4-additionalStudyGuide（WIT第四單元-附加的學(xué)習(xí)指導(dǎo)）Introduction-2of2(簡介-2/2）WeldorJointGeometry&Terms(焊縫或接頭形狀和術(shù)語）Imperativetoknowthedifferencebetweena‘joint’anda‘weld’andusetermsproperly（必須知道接頭和焊縫的差異，并能正確使用）Standardtermsmustbeusedwhendealingwithweldjointandweldgeometrytoavoiderrorsincommunication（為了避免溝通錯誤，當(dāng)涉及到焊縫接頭和焊縫幾何形狀時，必須使用標(biāo)準(zhǔn)術(shù)語）WeldorJointGeometry&Terms5BasicJointTypesRefertoA3.0-94,Fig1,page41（參考A3.0-94，圖1，第41頁）Butt（對接）Corner（角接）T-Joint（T型接頭）Lap（搭接接頭）Edge（端接接頭）5BasicJointTypesRefertoA3ButtJoint（對接）

AJointbetween2membersalignedapproximatelyinthesameplane（連接兩個幾乎在同一平面內(nèi)對準(zhǔn)的的工件之間的接頭）相對的兩端進(jìn)行焊接ButtJoint（對接）AJointbetweButtJoint-ApplicableWelds

（對接接頭-可適用的焊縫）Bevel-groove（單邊V型坡口焊縫）Flare-bevel-groove（單邊喇叭型坡口焊縫）Flare-v-groove（雙邊喇叭型坡口焊縫/V形坡口喇叭型焊縫）J-groove（J型坡口焊縫）Square-groove（I(方)型坡口焊縫）U-groove（U型坡口對接焊縫）V-groove（V型坡口焊縫）Edge-flange（卷邊端接接頭焊縫）Braze（釬焊）ButtJoint-ApplicableWeldsCornerJoint

AJointbetween2memberslocatedapproximatelyatrightanglestoeachotherintheformofanL（兩工件接近垂直，成L型的連接）CornerJointAJointbetweenCornerJoint-ApplicableWelds

（角接-適用的焊縫）Fillet（角焊縫）Bevel-groove(單邊V型坡口焊縫）Flare-bevel-groove（單邊喇叭形焊縫）Flare-v-groove（雙邊喇叭型坡口焊縫）J-groove（J型坡口焊縫）Square-groove(I‘方’型坡口焊縫）U-groove（U型坡口焊縫）V-groove（V型坡口焊縫）Plug（塞焊）Slot（槽焊）Spot（點(diǎn)焊）Seam（滾‘縫’焊）Projection（凸焊）Braze（釬焊）CornerJoint-ApplicableWeldT-Joint

AJointbetween2memberslocatedatapproximatelyrightanglestoeachotherintheformofaT（兩工件接近垂直，成T型的連接）T-JointAJointbetween2meTJoint-ApplicableWelds

（T型接頭-可適用的焊縫）Fillet（角焊縫）Bevel-groove（單邊V型坡口焊縫）Flare-bevel-groove（單邊喇叭型焊縫）J-groove（J型坡口焊縫）Square-groove（方型坡口焊縫）Plug（塞焊）Slot（槽焊）Spot（點(diǎn)焊）Seam（滾焊）Projection（凸焊）Braze（釬焊）TJoint-ApplicableWelds

（TLapJoint(搭接)

AJointbetween2overlappingmembersinparallelplanes（兩平行工件相互重疊形成的接頭）LapJoint(搭接)AJointbetweeLapJoint-ApplicableWelds

（搭接-可適用焊縫）Fillet（角焊縫）Bevel-groove（單邊V型坡口焊縫）Flare-bevel-groove（單邊喇叭型焊縫）J-groove（J型坡口焊縫）Plug（塞焊）Slot（槽焊）Spot（點(diǎn)焊）Seam（滾焊）Projection（凸焊）Braze（釬焊）LapJoint-ApplicableWelds

EdgeJoint（端接接頭）

AJointbetweentheedgesof2ormoreparallel,ornearlyparallel,members（兩個或多個平行或接近平行的工件的端部連接）EdgeJoint（端接接頭）AJointbetEdgeJoint-ApplicableWelds

（端接接頭-可適用的焊縫）Bevel-groove（單邊V型坡口焊縫）Flare-bevel-groove（單邊喇叭型焊縫）Flare-v-groove（雙邊喇叭型坡口焊縫）J-groove（J型坡口焊縫）Square-groove（方型坡口焊縫）U-groove（U型坡口焊縫）V-groove（V型坡口焊縫）Edge（端接焊縫）Seam（滾焊）EdgeJoint-ApplicableWeldsJointNomenclature

（接頭專門用語）Jointroot（接頭的根部）Grooveface（坡口面）Rootedge（根部棱邊）Rootface（鈍邊）Bevelangle（單邊角度）Depthofbevel（單邊深度）Grooveangle（坡口角度）Grooveradius（坡口半徑）Rootopening（根部間隙）Edgeshapes（端部形狀）Square（方型）singleordoublebevel（單或雙削邊）singleordoubleJ（單或雙J型）Round（圓型）RefertoA3.0-94,Figs4,5,6,7,pages44–47（參見A30-94，圖4，5，6，7，第44-47頁）JointNomenclatureFigure4-JointRoot（圖4接頭根部）Figure4-Figure5-（圖5-）GrooveFace（坡口面）RootEdge（根部棱邊）RootFace（鈍邊）Figure5-Figure6-（圖6-）BevelAngle（單邊坡口角度）BevelDepth（坡口深度）GrooveAngle（坡口角度）GrooveRadius（坡口半徑）RootOpening（根部間隙）Figure6-Figure7-EdgeShapes（圖7-端部形狀）Square（方型，直邊）SingleBevel（單邊V型）DoubleBevel（雙邊V型）SingleJ（單J型）DoubleJ（雙J型）Flange（卷邊）Round（圓型）Figure7-EdgeShapes（圖7-端部形JointGeometry-KeyLearnings

（接頭幾何學(xué)-關(guān)鍵點(diǎn)）RefertoA3.0-94,Figures4,5,6,pages44–46（參見A3.0-94，圖4，5，6，第44-46頁）Ajointrootcanbelinearinnature,oranarea(接頭根部可能是實際的線狀，或者一個區(qū)域）AsurfacecanbebothaRootface&aGrooveface（表面可以是鈍邊和坡口面）AnanglecanbebothaBevelangleandaGrooveangle（角度可以是單邊坡口角度和坡口角度）JointGeometry-KeyLearningsWeldJoints（焊接接頭）RefertoA3.0-94,Figs8,9,10,14,15（參見A3.0-94，圖8,9,10,14,15）Singlegroove- p48(單面坡口-48頁）Double-groove-p49（雙面坡口-49頁）FlangedJoints-p50（卷邊接頭）SeamandSpot-p53（滾焊和點(diǎn)焊-53頁）Various-p54（其它-54頁）WeldJoints（焊接接頭）RefertoA3.0Fig8-SingleGrooveWelds（圖8-單面坡口焊縫）SingleSquare（單面方型）SingleBevel（單面坡口）SingleV（單V）SingleJ（單J）SingleU（單U）SingleFlareBevel（單面單邊喇叭口）SingleFlareV（單面V型喇叭口）Fig8-SingleGrooveWelds（圖8-單Fig9-DoubleGrooveWelds（雙面坡口焊縫）DoubleSquare（雙面方型）DoubleBevel（雙面削角）DoubleV（雙面V型）DoubleJ（雙J面型）DoubleU（雙U面型）DoubleFlareBevel（雙面單邊喇叭口）DoubleFlareV（雙面V型喇叭口）Fig9-DoubleGrooveWelds（雙面坡口Fig10-FlangedWeldsEdge-FlangedButtEdge-MeltThroughEdge-FlangedCornerSquare,FlareVRSWinFlangedCornerFillet,Flare-BevelinTFig10-FlangedWeldsFig14-Seam,SpotWelds（滾焊，點(diǎn)焊）ArcSeamWeld電弧縫焊EBSeamWeld（滾焊）RSWSeamWeld（滾焊）RSWSpotWelds（點(diǎn)焊）ArcSpotWelds（弧點(diǎn)焊）Fig14-Seam,SpotWelds（滾焊，點(diǎn)焊Fig15-VariousWelds（其他的焊縫）UpsetWeld電阻對焊FlashWeld（閃光焊）SurfacingWeld堆焊SlotWelds（槽焊）PlugWelds（塞焊）FilletWelds（角焊縫）Fig15-VariousWelds（其他的焊WeldingPosition

（焊接位置）RefertoA3.0-94,Figs16-21,pages55-64（參見A3.0-94，圖16-21，第55-64頁）Reviewpositiondiagrams&tablesforgrooveandfilletweldsinplateandpipe-pages55-57(審核板和管的坡口及角焊縫的位置圖表-第55-57頁）Reviewweldingtestpositionsforgrooveandfilletweldsonplateandpipe-pages58-63（審核板和管的坡口及角焊縫的焊接位置-第58-63頁）Note

error

inFig19D,page61ReviewTorchPositioninFig21,page64（審核圖21中的火焰位置）WeldingPosition

（焊WeldingBeads,Sequences焊道，順序RefertoA3.0-94,Figs22-23,pages65–67（參見A3.0-94，圖22-23，第65-67頁）Stringerbead（直焊道）Weavebead（擺動焊道）Backstepsequence（分段退焊順序）Blocksequence（分段多層焊）Cascadesequence（階梯形多層焊）Layersvsbeads（層與道）WeldingBeads,Sequences焊道，順序PartsOfAWeld

（焊縫的要素）RefertoA3.0-94,Fig24,Toe（焊趾）Face（表面）Facereinforcement（表面余高）Rootreinforcement（根部余高）Rootsurface（根部表面）WeldRoot（焊縫根部）pages68-70Bead（焊道）Backweld（背面焊縫）Backingweld（封底焊縫）Spacer（墊塊）Heat-AffectedZone(HAZ)（熱影響區(qū)）PartsOfAWeld

（焊縫的要Fig24-PartsofWelds（圖24-焊縫的要素）WeldFace（焊縫表面）WeldToe（焊趾）FaceReinforcement（表面加強(qiáng)高）RootReinforcement（根部加強(qiáng)高）WeldRoot（焊縫根部）BackWeld（背面焊縫）BackingWeld（打底焊縫）Fig24-PartsofWelds（圖24-焊縫Fig24-PartsofWelds（圖24-焊縫的要素）WeldRoot（焊縫根部）Leg,Face,Toe（焊角，焊面，焊趾）Spacer（墊塊）WeldMetal（焊縫金屬）HeatAffectedZone（熱影響區(qū)）Fig24-PartsofWelds（圖24-焊縫Fig24-PartsofWelds（圖24-焊縫的要素）WeldRoot（焊縫根部）WeldBead（焊道）DilutionPercent（稀釋率）Fig24-PartsofWelds（圖24-焊縫WeldSizes&Terms

（焊接尺寸和術(shù)語）ConvexFillet（凸?fàn)罱呛缚p）Leg,sizeequal（焊角尺寸，焊縫尺寸等同）Convexity(焊縫凸度）Actualthroat（實際厚度）Effectivethroat（有效厚度）Theoreticalthroat（理論厚度）ConcaveFillet（凹狀角焊縫）Leg（焊角尺寸）Size(lessthanleglength)（焊縫尺寸，小于焊角長度）Concavity（焊縫凹度）Actual,Effectivethroatsequal（實際厚度于有效厚度等同）Theoreticalthroat（理論厚度）RefertoA3.0,Fig25,pages71-72WeldSizes&Terms

（焊接尺寸和術(shù)語ConvexFilletWeld

（凸?fàn)罱呛缚p）ConvexFilletWeld

（凸?fàn)罱呛缚p）ConcaveFilletWeld

（凹面角焊縫）ConcaveFilletWeld

（凹面角焊縫）Joint&RootPenetration

（接頭和根部熔透）NoteIncompleteJointPenetrationdimension（標(biāo)注非完全熔透焊縫尺寸）Joint&RootPenetration

（IncompleteJointPenetration

（未焊透接頭）RefertoA3.0,Fig26pages75-76Termusedonlyinreferencetogroovewelds（本術(shù)語僅限于坡口焊縫）IfonlyPartialPenetrationisintended,itisincorrecttorefertotheweldasIncompleteJointPenetrationIncompleteJointPenetration

（IncompleteJointPenetration（非完全熔透接頭）(OrPartialJointPenetrationifintended)（或者是部分熔透接頭）Etotalcanneverbe>basemetalthickness（總數(shù)E不可能大于母材厚度）IncompleteJointPenetration（非IncompleteJointPenetrationError

（未焊透接頭錯誤）Fig26(c)-page75-IncompleteJointPenetration referencedimensionisinerroronsketch（未焊透接頭圖上的參考尺寸是錯誤的）Error!（錯誤）CorrectDimensionIncompleteJointPenetrationEMelt-through,RootSurfaces

（熔透，根部表面）RefertoA3.0-94,Fig27,page77Melt-through（熔透）Convexrootsurface（凸?fàn)罡勘砻妫〤oncaverootsurface（凹狀根部表面）Slangtermis‘suckback’-Don’tUse（俚語里用‘suckback’-不要使用）Melt-through,RootSurfaces

（熔IncompleteFusion(未熔合）RefertoA3.0-94,Fig29,page79Usedinreferencetobothgrooveandfilletwelds（用于坡口焊縫和角焊縫）Slangtermoftenmisusedis‘coldlap’（俚語里常被誤用為‘coldlap’)IncompleteFusion(未熔合）RefertoIncompleteFusion未融合-1/2

IncompleteFusion未融合-1/2IncompleteFusion-2of2

（未熔合-2/2）IncompleteFusion-2of2FusionWeldTerms

（熔合焊縫術(shù)語）RefertoA3.0,Figure30,page80（參見A3.0，圖30，第80頁）FusionWeldTerms

（熔合焊縫術(shù)語）RefeWeldDiscontinuities

（焊縫的不連續(xù)性）RefertoA3.0-94,Fig32,33,pages82–83（參見A3.0-94，圖32,33,第82-83頁）Cracks-seenomenclatureinFig33(裂紋-見圖33的專門術(shù)語）Undercut（咬邊）Overlap（焊瘤）Underfill（未焊滿）WeldDiscontinuities

（焊縫的不ANSI/AWSA2.4-98StandardSymbolsforWelding,Brazing,andNondestructiveExamination（焊接，釬焊及無損檢測的標(biāo)準(zhǔn)符號）ANSI/AWSA2.4-98StandardSymboWeldingSymbols–Introduction

（焊接符號-簡介）RefertoA2.4-98（參見A24-98）Ashorthandmethodofconveyingweldinginformation（傳遞焊接信息的一種速記法）AWSsystemusedallovertheworld（全世界都使用的AWS系統(tǒng)）Modifiedasnecessarytoreflectneedsofindustries（應(yīng)工業(yè)的需要進(jìn)行修改）Verysimple,butaverypowerfulsystemforconveyinginformation（很簡單，但能傳遞很多有用的信息）WeldingSymbols–IntroductionWeldSymbolvsWeldingSymbol

（焊縫符號與焊接符號）AWeldSymbolindicatesthetypeofWeld,andmaybeapartofthe:(焊縫符號表示了焊縫的形式，它也可能是焊接符號的一部分)WeldingSymbol-thecompleteinformationneededtoconveythenecessaryweldinginformationtoallparties,includingthewelder.Itcontainsseveralelements,includingtheWeldSymbol.(焊接符號-需要轉(zhuǎn)換必要的焊接信息到所有部門，包含焊工。這全部信息包含許多元素，也包含焊縫符號）WeldSymbolvsWeldingSymbolWeldSymbols（焊縫符號）

WeldSymbols（焊縫符號）GrooveWeldTypes–8

(坡口焊縫的形式-8）Square（方型）Scarf（斜接）V（V型）Bevel（單邊）U（U型）J（J型）Flare-V（V型喇叭口）Flare-bevel（單邊喇叭口）Theaboveweldsmaybeappliedtoonesideorbothsidesofthejoint,orincombination.以上焊縫可能是單面焊、雙面焊或兩者的組合GrooveWeldTypes–8

(坡口焊OtherWeldTypes–11

（其它的焊縫形式-11）Fillet（角接）PlugorSlot（塞焊或槽焊）Stud*（螺柱焊）SpotorProjection（點(diǎn)焊或凸焊）Seam（滾焊）BackorBacking（背面焊或封底焊）Surfacing*（表面堆焊）Edge（端部）*Studandsurfacingsymbolsarealwaysplacedbelowreferenceline.（*螺柱焊和表面堆焊符號總是放在參考線以下）OtherWeldTypes–11WeldingSymbols–Rules

（焊接符號-規(guī)則）Symbolswithaperpendicularlegshallhavetheperpendicularlegdrawnontheleftsideofthesymbol.(fillet,bevel-groove,J-groove,andflare-bevel-groove)ThesymbolsforStudandSurfacingweldsshallalwaysbedrawnbelowthereferenceline.（螺柱焊和堆焊的符號總是被放在參考線以下）WeldingSymbols–Rules

（焊接符號WeldingSymbol

（焊接符號）WeldingSymbol

（焊接符號）SupplementarySymbols

（附加的符號）SupplementarySymbols

（附加的符號ElementsofWeldingSymbols

（焊接符號的要素）RequiredElements（要求的元素）ReferenceLine-alwayshorizontal（參考線-總是水平的）Arrow（箭頭）OptionalElements（選擇的元素）Multiplereferencelines（多重參考線）Tail（尾部）WeldSymbol（焊縫符號）Dimensions（尺寸）SupplementarySymbols（附加元素符號）Finish（成型）Specification,Process（規(guī)范，工藝）ElementsofWeldingSymbols

ArrowNotation（箭頭注釋）Informationapplicabletothearrowsideofthejointisplacedbelowthereferenceline（箭頭側(cè)接頭的信息放在參考線以下）Informationapplicabletotheothersideofajointisplacedabovethereferenceline（接頭另一側(cè)的信息放在參考線上方）ArrowNotation（箭頭注釋）InformatioArrowSideWeldSymbols

（箭頭側(cè)焊縫符號）ArrowSideWeldSymbols

（OtherSideWeldSymbols

（另一側(cè)焊縫符號）OtherSideWeldSymbols

（SideSignificance

TheWeldSymbolstraddlesthereferencelinewhenthereisnosideSignificance（當(dāng)焊縫符號跨在參考線上時表示在哪邊沒有意義ResistanceSpotWeld（電阻點(diǎn)焊）ResistanceSeamWeld（電阻滾焊）FlashWeld（閃光焊）SideSignificanceTheWeldBreakinArrowLine

（拐彎的箭頭線）

Abreakinthearrowlinesignifiesthatthememberthearrowpointstoisthememberreceivingtheedgepreparation.（箭頭線指向的一側(cè)表示要開坡口）BreakinArrowLine

（拐彎CombinedWeldSymbols

（組合焊縫符號）

Forjointsrequiringmorethanoneweldtype,aweldsymbolshallbeusedtospecifyeachweld（當(dāng)接頭需要多種焊接形式時，焊接符號將用來特指每條焊縫）CombinedWeldSymbols

（組合MultipleArrows（多箭頭）

Twoormorearrowsmaybeusedforasinglereferencelinetodenotelocationswhereidenticalweldsarespecified.（兩個或多個箭頭可以用于單條參考線，它特指不同的位置使用相同的焊縫）MultipleArrows（多箭頭）TwoorMultipleReferenceLines

（多條參考線）Twoormorereferencelinesmaybeusedtoindicateasequenceofoperations.（兩條或多條參考線可以用來表示操作的順序）Thefirstoperationisalwaysonthereferencelinenearestthearrow.（第一操作總在參考線上離箭頭最近的位置）MultipleReferenceLines

（多FieldWeld&WeldAll-Around

（現(xiàn)場焊縫和周向焊縫）TheFieldWeldsymbolisasolidflag,andisalwayslocatedatjunctionofthearrowandreferenceline.（現(xiàn)場焊縫符號是一個實心的旗子，且總位于箭頭和參考線的連接處）TheWeldAll-Aroundsymbolisacircleandislocatedatjunctionofthearrowandreferenceline.（周向焊接符號是一個圓，位于箭頭和參考線的連接處）FieldWeld&WeldAll-AroundTail（尾部）

TheTailisusedtospecifyweldingprocessinformationorothersuchinformationneededtoconveythenecessaryweldingdetails.（末端用于特指焊接工藝信息或其他需要轉(zhuǎn)換的必需的焊接細(xì)節(jié)）Tail（尾部）TheTailisusedtoWeldingandNDESymbols

（焊接和無損探傷符號）WeldingandNDEsymbolscanbecombinedonthesamereferenceline,oronseparatemultiplereferencelines.（焊接和無損檢測符號能組合在同一參考線上，或者單獨(dú)的多條參考線上）CombiningweldingandNDEsymbolsonmultiplereferencelinesoftenclarifiestheexactsequenceofoperationsrequired.（在多條參考線上的組合焊接和無損檢測符號常能澄清確切的要求操作的順序）WeldingandNDESymbols

（焊接和無損WeldContours&Finishing

（焊縫外型和處理）Weldsurfacescanbecontouredtoseveralshapes;convex,concave,flush,orflat.（焊縫外型可以有多種形式：凸?fàn)睿紶?，平或方型）Finishingmethodsareabbreviatedasshown.（光潔度方法的縮寫如圖所示）‘U’denotescontourmethodis‘Unspecified’（表示外型方法的’U’是未特別指出的）Contoursymbolw/ofinishsymbolmeansas-weldedWeldContours&Finishing

（焊縫外SymbolDimensions?

（符號尺寸）Tolerances,ifrequired,aretobeplacedintail（如果要求的話，允許誤差應(yīng)放在末端）WeldingSymbolsareusuallydrawnwithoutdimensionunitssuchasinchesormillimeters.（焊縫符號上常常沒有標(biāo)尺寸單位，如英寸或毫米）But,WeldingSymbolstobeusedforpublicationsorthoserequiringhighprecisionshouldbedimensionedandhavethedimensionaltolerancesnotedwithinthetail.（但，用于出版或需要高精度的焊接符號必須標(biāo)定尺寸，且將尺寸公差標(biāo)在末端）SymbolDimensions?

（符號尺SymbolExamples（符號例子）Arrowside-V-groove（箭頭側(cè)-V型坡口）Otherside-V-groove（另一側(cè)-V型坡口）Bothsides-V-groove（雙側(cè)-V型坡口）SymbolExamples（符號例子）ArrowsidSymbolExamples（符號例子）BackorBacking,singleJ-groove,fillet（背焊或封底的單面J型坡口，角焊縫）Single-bevel-groove,doublefillet（單邊V型坡口，雙面角焊縫）SymbolExamples（符號例子）BackorBSymbolExamples（符號例子）Weldall-aroundsymbolisaveryusefulsymbol（周向焊縫符號是很有用的符號）Multi-planeweldrequirementsareverysimpletosketchusingsymbol（多平面焊縫要求用符號是很簡單畫的）SymbolExamples（符號例子）Weldall-SymbolExamples（符號例子）Square-groovebuttwithmelt-through（方坡口對接且熔透）Edgeweldonflangedbuttwithmelt-through（卷邊對接中的端接焊縫并且熔透）Edgeweldonflangedcornerjointwithmelt-through（卷邊角接接頭中的端接焊縫要熔透）SymbolExamples（符號例子）Square-grGrooveWeldDimensions-1of9

（坡口焊縫尺寸-1/9）DepthofBevel,S,andSizeofWeld,(E)placedtotheleftofthesymbol（坡口深度S和焊縫尺寸E置于焊縫符號的左邊）1/4inchbevelwitha3/8inchweld(1/4”的坡口和3/8“的焊縫)(Nodimensionsmeanscompletepenetration)(不標(biāo)明尺寸表示全熔透)GrooveWeldDimensions-1ofGrooveWeldDimensions-2of9

(坡口焊縫尺寸-2/9)

RefertoA2.4,Fig15,pg31(見第31頁,圖15,A2.4)ExamplesofGrooveWeldBevel&WeldDimensions(坡口及焊縫尺寸示例)

Nodimensionsmeanscompletepenetration)(不標(biāo)明尺寸表示全熔透)GrooveWeldDimensions-2ofGrooveWeldDimensions-3of9

(坡口焊縫尺寸-3/9)TheRootOpeningisplacedwithintheweldsymbolorjustoutside,andonlyononesideofthereferenceline(根部間隙標(biāo)注于焊接符號內(nèi)側(cè)或旁邊,并僅限于參考線的一側(cè))Inchesormmpershoppractice(依車間習(xí)慣,單位為英寸或毫米)GrooveWeldDimensions-3of9GrooveWeldDimensions-4of9

(坡口焊縫尺寸-4/9)GrooveAngleisplacedjustoutsidetheweldsymbol(坡口角度標(biāo)注于焊接符號外側(cè))GrooveWeldDimensions-4ofGrooveWeldDimensions-5of9

(坡口焊縫尺寸-5/9)

Thelengthoftheweldshallbeplacedtotherightoftheweldsymbol.Nodimensionrequiredifweldiscontinuousforfulllengthofjoint.(焊縫長度標(biāo)注于焊接符號右側(cè),如焊縫為接口全長的連續(xù)焊縫,則無須標(biāo)注長度)GrooveWeldDimensions-5ofGrooveWeldDimensions-6of9

(坡口焊縫尺寸-6/9)

Pitchisthedistancebetweencentersofadjacentweldsegments.Pitchlengthisshowntotherightoftheweldlengthdimensionfollowingahyphen.(焊縫間距是指相鄰兩段焊縫中心之間的距離,其長度標(biāo)注于焊縫長度的右側(cè),通過連字符相連)GrooveWeldDimensions-6ofGrooveWeldDimensions-7of9

(坡口焊縫尺寸-7/9)

Chainintermittentwelddimensionsaretobeplacedonbothsidesofreferenceline,andoppositeeachother(并排斷續(xù)焊縫尺寸標(biāo)注于參考線兩側(cè),且相互對應(yīng))GrooveWeldDimensions-7ofGrooveWeldDimensions-8of9

(坡口焊縫尺寸-8/9)

Staggeredintermittentwelddimensionsaretobeplacedonbothsidesofreferenceline,andoffsetfromeachother.(錯位斷續(xù)焊縫尺寸標(biāo)注于參考線兩側(cè),且相互錯開一定的偏移量)GrooveWeldDimensions-8ofGrooveWeldDimensions-9of9

(坡口焊縫尺寸-9/9)

RefertoA2.4,Fig30,pages36,37(見第36,37頁,圖15,A2.4)Flare-Bevel&Flare-Vwelds(卷邊坡口和卷邊V型焊縫)GrooveWeldDimensions-9ofBackandBackingWelds

背面焊和封底焊Thebackandbackingweldsymbolsareidentical.Thesequenceofweldingdetermineswhichdesignationapplies.(背面焊和封底焊的符號是相同的,它是由焊接順序決定的)Backweldmadeaftergrooveweld(背面焊是在坡口焊完成后進(jìn)行的)Backingweldmadebeforegrooveweld(封底焊是在坡口焊之前進(jìn)行的)BackandBackingWelds

背面焊和封底BackWeld(背面焊)

Thebackweldsymbolisplacedonthereferencelineoppositethegrooveweldusingasinglereferencelinewithnoteintail.Or,usemultiplereferencelines.(封底焊符號標(biāo)注于參考線與坡口焊符號相對的位置,并引出兩條線做說明,或通過增加一條參考線來說明)BackWeld(背面焊)ThebackwelBackingWeld(封底焊)

Thebackingweldsymbolisplacedonthereferencelineoppositethegrooveweldusingasinglereferencelinewithnoteintail.Or,usemultiplereferencelines.(打底焊符號標(biāo)注于參考線與坡口焊符號相對的位置,并引出兩條線做說明,或通過增加一條參考線來說明)BackingWeld(封底焊)ThebackiJointWithBacking(接頭墊板)

Thebackingsymbolisplacedonthereferencelineoppositetheweldsymbol.The“R’’referstoremovingthebackingafterweldingiscompleted.(墊板符號標(biāo)注于參考線上與焊縫符號相對的一側(cè),”R”表示墊板在焊接完成后去除)JointWithBacking(接頭墊板)ThJointWithSpacer(接頭墊塊)

Thespacersymbolstraddlesthereferencelinewithintheweldsymbol.Material,sizeintail.(墊塊符號標(biāo)注于參考線內(nèi),其材質(zhì)和尺寸見焊接符號尾部)JointWithSpacer(接頭墊塊)TheFilletWeldDimensions-1of5(角焊縫尺寸1/5)

Thefilletweldsizeisshowntotheleftofthesymbol.Fordoublefillets,eachisdimensioned.(角焊縫尺寸標(biāo)注于焊接符號左側(cè),對雙面角焊縫,每個尺寸都需標(biāo)注)FilletWeldDimensions-1ofFilletWeldDimensions-2of5(角焊縫尺寸2/5)

ArrowSideversusOtherSideforFilletwelds.Fordoublefilletwelds,eachisdimensioned.(箭頭所指為角焊縫的另一側(cè),對雙面角焊縫,每個尺寸都需標(biāo)注)FilletWeldDimensions-2ofFilletWeldDimensions-3of5(角焊縫尺寸3/5)

Thefilletweldsizeforunequallegfilletsisshowntotheleftofthesymbol,withclarifyinginformationinthetail.(不等尺寸的角焊縫見焊接符號左側(cè),其他說明見符號尾部)FilletWeldDimensions-3ofFilletWeldDimensions-4of5(角焊縫尺寸4/5)

Thefilletweldlengthisshowntotherightoftheweldsymbol.Whenfilletweldisthefulllengthofthejoint,nodimensionisrequired.(角焊縫長度見焊接符號右側(cè),當(dāng)角焊縫要填滿整個焊接接頭時,則無須標(biāo)注)FilletWeldDimensions-4ofFilletWeldDimensions-5of5角焊縫尺寸Intermittentfilletweldsfollowthesamerulesasintermittentgrooveweldsregardingpitchandplacementofdimensionstotherightoftheweldsymbol.(斷續(xù)角焊縫的標(biāo)注與斷續(xù)坡口焊縫方法相同,其間距和位置標(biāo)注于焊接符號的右側(cè))Chainandstaggeredfilletsareused(可使用同步和錯位的角焊縫)Filletweldfinishingsymbolssameasforgroovewelds(角焊縫的成型符號與坡口焊縫相同)FilletWeldDimensions-5ofPlugWelds-1of4(塞焊1/4)

Plugweldsizeisshowntotheleftoftheplugweldsymbol,andisprecededbythediametersymbol,.Plugweldsizeisthediameteroftheholeatthefayingsurface(塞焊尺寸標(biāo)注于焊接符號左側(cè),前面是直徑符號,塞焊尺寸是接觸面上圓孔的直徑)PlugWelds-1of4(塞焊1/4)PlugWelds-2of4(塞焊2/4)

Countersinkangleisshownjustoutsidetheweldsymbol.(埋頭孔的角度標(biāo)注于焊接符號旁邊)PlugWelds-2of4(塞焊2/4)PlugWelds-3of4(塞焊3/4)

Depthoffillingisshownasalineardimensionwithintheplugweldsymbolwhenlessthancomplete.(當(dāng)不用填滿時,填充深度為塞焊的線尺寸)PlugWelds-3of4(塞焊3/4)PlugWelds-4of4(塞焊4/4)

Thepitchisshowntotherightofthesymbol.Thenumberofplugweldsisshownjustoutsidetheweldsymbol,inparentheses(間距標(biāo)注在焊接符號右側(cè),括號內(nèi)的數(shù)字表示塞焊數(shù)量)PlugWelds-4of4(塞焊4/4)SlotWelds(槽形焊)Theslotweldsymbolisidenticaltotheplugweldsymbol(槽形焊符號與塞焊符號相同)Allconventionsforslotweldsareidenticaltothatofplugweldsexceptthatthediametersymbol,,isnotusedforslotwelds(除直徑符號外,槽形焊與塞焊的所有慣例均相同)Theprimarydifferencebetweenthetwotypesistheslotisanelongatedholehavingawidthandlengthratherthanadiameter(二者之間的主要區(qū)別是槽形焊不是一個圓,它是有長度和寬度的)SlotWelds(槽形焊)TheslotweldsSlotWeldSymbol(槽焊符號)

SlotWelds(槽焊)

Note:Nosymbol isused注:不用直徑符號SlotWeldSymbol(槽焊符號)SlotSpotorProjectionWelds-1of4(點(diǎn)焊或凸焊1/4)

Thespotweldsymbolmaystraddlethereferencelinewhenthereisnosidesignificance,orbeplacedoneithersideifsignificant.(當(dāng)側(cè)面不重要時,點(diǎn)焊符號可跨在參考線上,當(dāng)側(cè)面重要時,點(diǎn)焊符號可標(biāo)注于參考線任何一側(cè))Spotsizeorstrengthtoleftofsymbol(點(diǎn)焊尺寸或強(qiáng)度在焊接符號左側(cè))Projectionweldsymbolsareshownaboveorbelowthereferenceline,andrequirethePWdesignationinthetailofthesymbol.(凸焊符號可標(biāo)注于參考線上面或下面,特定要求見尾部符號)SpotorProjectionWelds-1oSpotorProjectionWelds-2of4點(diǎn)焊或凸焊

Weldingsymbolshowingspotweldsize,number,andweldingmethod.(焊接符號標(biāo)明了點(diǎn)焊的尺寸,數(shù)量及焊接方法)SpotorProjectionWelds-2oSpotorProjectionWelds-3of4(點(diǎn)焊或凸焊3/4)

Spacingisshowntotherightofthesymbol(間隔標(biāo)注于符號右側(cè))Numberrequiredisshownjustoutsidethesymbol,inparentheses(數(shù)量標(biāo)注于符號旁邊的括號內(nèi))SpotorProjectionWelds-3oSpotorProjectionWelds-4of4Projectionweldsymbol(凸焊符號)SpotorProjectionWelds-4oSeamWelds-1of2(縫焊1/2)Symbolmaybeoneitherside,orstraddlingreferenceline(符號可標(biāo)注于參考線任何一側(cè),或跨在參考線上)Dimensioningasbefore;sizetoleftofsymbol,lengthandpitchtoright(尺寸標(biāo)注如前,尺寸位于符號左側(cè),長度和間距位于右側(cè))Maybespecifiedbysizeorstrength(尺寸和強(qiáng)度可指定)Maybecontinuousorintermittent(是連續(xù)焊或是斷續(xù)焊)Numbershowninparenthesesaboveorbelowweldsymbol(數(shù)量標(biāo)注在括號內(nèi),處于符號上側(cè)或下側(cè))SeamWelds-1of2(縫焊1/2)SymbSeamWelds-2of2(縫焊2/2)Seamweldweldingsymbol.Noteinfointail(縫焊符號,說明見尾部)SeamWelds-2of2(縫焊2/2)SeaEdgeWelds-1of3(端接焊1/3)Usedtospecifyedgeweldsonedgejointsandflangedbuttorflangedcornerjoints(通常用來表示邊緣接頭及法蘭對接,或法蘭角接)Fullthicknessofjointmembersmustbefused(接頭部位必須在厚度方向全尺寸熔合)Sizetoleftofsymbol,lengthandpitchtoright(尺寸標(biāo)注在左側(cè),長度和間距在右側(cè))Maybecontinuousorintermittent(即可是連續(xù)焊,也可是斷續(xù)焊)EdgeWelds-1of3(端接焊1/3)UseEdgeWelds-2of3(端接焊2/3)Edgeweldsymbolapplication(邊緣焊符號說明)EdgeWelds-2of3(端接焊2/3)EdEdgeWelds-3of