ACORN Pre-employment JS1-1 Joint Design & Welding · PDF fileu Write a welding symbol for a...

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ACORN Pre-employment JS1-1 Joint Design & Welding Symbols SAMPLE

Transcript of ACORN Pre-employment JS1-1 Joint Design & Welding · PDF fileu Write a welding symbol for a...

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ACORNPre-employmentJS1-1JointDesign&WeldingSymbols

SAMPLE

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A"ercomple+ngthislearningunityoushouldbeableto:

u  Iden+fythedifferenttypesofjointsandweldsu  Explainthetermsusedforgrooveandfilletweldsu  Describethedifferentweldingposi+onsu  Recognizethefactorsinvolvedintheselec+onofjointsu  Describeweldsymbols,supplementarysymbolsandweldingsymbolsu  Iden+fythestandardloca+onsoftheelementsofaweldingsymbolu  Describethesignificanceofthearrowsideandtheothersideofaweldingsymbolu  Describetheuseofmul+plereferencelinesu  Writeaweldingsymbolforagrooveweldu  Writeaweldingsymbolforafilletweld

Objec?ves

SAMPLE

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Joint:thejunc+onoftheworkpiece(s)thataretobejoinedorhavebeenjoined.Fayingsurface:thema+ngsurfaceofaworkpieceincontactwithorincloseproximitytoanotherworkpiecetowhichitistobejoined.

TypesofJoints

Defini&onofajoint.FIG.1

Thefayingsurfacesofthesejointshavebeenmarkedbyathickblackline.FIG.2

SAMPLE

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BasicJointTypes

Typesofjoints.FIG.3

SAMPLE

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Therearethreebasictypesofwelds:

1)  Groovewelds2)  Filletwelds3)  Plugandslotwelds

Othertypesofweldsinclude:

u Arcspotandseamweldsu Edgeweldsu Flangeweldsu Surfacingweldsu Sealwelds

BasicTypesofWelds

SAMPLE

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GrooveWeld

Agrooveweld.FIG.4

SAMPLE

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FilletWeld

Filletweldsincorner,T-andlapjoints.FIG.5SAMPLE

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PlugandSlotWeld

Plugandslotwelds.FIG.6

SAMPLE

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ArcSpotandArcSeamWelds

Arcspotandarcseamwelds.FIG.7

SAMPLE

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SurfacingWelds

Examplesofsurfacingwelds.FIG.8

SAMPLE

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EdgeWelds

Edgewelds.FIG.9SAMPLE

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Grooveweldscanbeclassified:

Intermsofefficiency:u completejointpenetra+ongroovewelds(CJP)u par+aljointpenetra+ongroovewelds(PJP)

Intermsofshape:u Squareu Bevelu “V”u “J”u “U”u Flare-bevelu Flare-V

Theillustra+onshowstheclassifica+onsystem.

Classifica?onofGrooveWelds

Classifica&onofwelds.FIG.10

SAMPLE

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Single-GrooveWelds

Differenttypesofsingle-groovewelds.FIG.11

SAMPLE

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Double-GrooveWelds

Differenttypesofdouble-groovewelds.FIG.12

SAMPLE

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JointsandApplicableWelds

Typesofjointsandwelds.FIG.13SAMPLE