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TIG FUSION TECHNIQUE
TIG FILLER WIRE
TECHNIQUE
TIG WELDING WITH FILLER WIRE TECHNIQUE
)TISNECESSARYINMANYSITUATIONSWITH4)'WELDINGTOADDAlLLERWIREINTOTHEWELDPOOLTOBUILD
UPWELDREINFORCEMENTANDCREATEASTRONGWELD/NCETHEARCISSTARTEDTHETUNGSTENISHELDIN
PLACEUNTILAWELDPOOLISCREATEDACIRCULARMOVEMENTOFTHETUNGSTENWILLASSISTINCREATINGA
WELDPOOLOFTHEDESIREDSIZE/NCETHEWELDPOOLISESTABLISHEDTILTTHETORCHATABOUTAªANGLE
ANDMOVESMOOTHLYANDEVENLYALONGTHEJOINT4HElLLERMETALISINTRODUCEDTOTHELEADINGEDGEOF
THEWELDPOOL4HElLLERWIREISUSUALLYHELDATABOUTAªANGLEANDFEDINTOTHELEADINGEDGE
OFTHEMOLTENPOOL4HEARCWILLMELTTHElLLERWIREINTOTHEWELDPOOLASTHETORCHISMOVED
FORWARD!DABBINGTECHNIQUECANBEUSEDTOCONTROLTHEAMOUNTOFlLLERWIREADDEDTHEWIRE
ISFEDINTOTHEMOLTENPOOLANDRETRACTEDINAREPEATINGSEQUENCEASTHETORCHISMOVEDSLOWLY
ANDEVENLYFORWARD)TISIMPORTANTDURINGTHEWELDPROCESSTOKEEPTHEMOLTENENDOFTHElLLER
WIREINSIDETHEGASSHIELDASTHISPROTECTSTHEENDOFTHElLLERWIREFROMBEINGOXIDIZEDAND
CONTAMINATINGTHEWELDPOOL
75°
15°
Form a weld pool
Travel direction
Angle torch
Add TIG filler wire
Retract the filler wire
Move the torch forward to
the front of the weld pool
Repeat the process
.
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TIG WELDING FUSION TECHNIQUE
-ANUAL4)'WELDINGISOFTENCONSIDEREDTHEMOSTDIFlCULTOFALLTHEWELDINGPROCESSES"ECAUSE
THEWELDERMUSTMAINTAINASHORTARCLENGTHGREATCAREANDSKILLAREREQUIREDTOPREVENTCONTACT
BETWEENTHEELECTRODEANDTHEWORKPIECE3IMILARTO/XYGEN!CETYLENETORCHWELDING4)'WELDING
NORMALLYREQUIRESTWOHANDS4HEWELDERMANUALLYFEEDSAlLLERWIREINTOTHEWELDPOOLWITHONE
HANDWHILEMANIPULATINGTHEWELDINGTORCHINTHEOTHER(OWEVERSOMEWELDSCOMBININGTHIN
MATERIALSCANBEACCOMPLISHEDWITHOUTlLLERMETALLIKEEDGECORNERANDBUTTJOINTS4HISISKNOWN
AS&USIONWELDINGWHERETHEEDGESOFTHEMETALPIECESAREMELTEDTOGETHERUSINGONLYTHEHEAT
ANDARCFORCEGENERATEDBYTHE4)'ARC/NCETHEARCISSTARTEDTHETORCHTUNGSTENISHELDINPLACE
UNTILAWELDPOOLISCREATEDACIRCULARMOVEMENTOFTHETUNGSTENWILLASSISTINCREATINGAWELDPOOL
OFTHEDESIREDSIZE/NCETHEWELDPOOLISESTABLISHEDTILTTHETORCHATABOUTAªANGLEANDMOVE
SMOOTHLYANDEVENLYALONGTHEJOINTWHILEFUSINGTHEMATERIALSTOGETHER
75°
Form a weld pool
Angle torch
Move the torch slowly and
evenly forward
TIG WELDING FUSION/FILLER WIRE TECHNIQUES
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