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ACORNPre-employmentJS1-1JointDesign&WeldingSymbols
SAMPLE
A"ercomple+ngthislearningunityoushouldbeableto:
u Iden+fythedifferenttypesofjointsandweldsu Explainthetermsusedforgrooveandfilletweldsu Describethedifferentweldingposi+onsu Recognizethefactorsinvolvedintheselec+onofjointsu Describeweldsymbols,supplementarysymbolsandweldingsymbolsu Iden+fythestandardloca+onsoftheelementsofaweldingsymbolu Describethesignificanceofthearrowsideandtheothersideofaweldingsymbolu Describetheuseofmul+plereferencelinesu Writeaweldingsymbolforagrooveweldu Writeaweldingsymbolforafilletweld
Objec?ves
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
Joint:thejunc+onoftheworkpiece(s)thataretobejoinedorhavebeenjoined.Fayingsurface:thema+ngsurfaceofaworkpieceincontactwithorincloseproximitytoanotherworkpiecetowhichitistobejoined.
TypesofJoints
Defini&onofajoint.FIG.1
Thefayingsurfacesofthesejointshavebeenmarkedbyathickblackline.FIG.2
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
BasicJointTypes
Typesofjoints.FIG.3
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Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
Therearethreebasictypesofwelds:
1) Groovewelds2) Filletwelds3) Plugandslotwelds
Othertypesofweldsinclude:
u Arcspotandseamweldsu Edgeweldsu Flangeweldsu Surfacingweldsu Sealwelds
BasicTypesofWelds
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
GrooveWeld
Agrooveweld.FIG.4
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
FilletWeld
Filletweldsincorner,T-andlapjoints.FIG.5SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
PlugandSlotWeld
Plugandslotwelds.FIG.6
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Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
ArcSpotandArcSeamWelds
Arcspotandarcseamwelds.FIG.7
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
SurfacingWelds
Examplesofsurfacingwelds.FIG.8
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
EdgeWelds
Edgewelds.FIG.9SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
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
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
Single-GrooveWelds
Differenttypesofsingle-groovewelds.FIG.11
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
Double-GrooveWelds
Differenttypesofdouble-groovewelds.FIG.12
SAMPLE
Copyright©2014CWBGroupIndustryServicesJS1-1JointDesign&WeldingSymbols
JointsandApplicableWelds
Typesofjointsandwelds.FIG.13SAMPLE