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23
TIG Welding with Filler Wire Technique

pool to build up weld reinforcement and create a strong weld. Once the arc is started
the torch tungsten is held in place until a weld pool is created, a circular movement
of the tungsten will assist is creating a weld pool of the desired size. Once the weld
pool is established tilt the torch at about a 75° angle and move smoothly and




wire is fed into the molten pool and retracted in a repeating sequence as the torch is moved slowly

the gas shield as this protects the end of the wire from being oxidised and contaminating the weld
pool.
75°
15°
Form a weld pool
Travel direction
Angle torch 
 Move the torch forward to
the front of the weld pool
Repeat the process
gas
shield
TIG Welding Fusion Technique
            
processes. Because the welder must maintain a short arc length, great care and skill are
required to prevent contact between the electrode and the workpiece. Similar to Oxygen
Acetylene torch welding, Tig welding normally requires two hands and in most

hand while manipulating the welding torch in the other. However, some welds combining

This is known as Fusion welding where the edges of the metal pieces are melted together using only the
heat and arc force generated by the TIG arc. Once the arc is started the torch tungsten is held in place until
a weld pool is created, a circular movement of the tungsten will assist is creating a weld pool of the desired
size. Once the weld pool is established tilt the torch at about a 75° angle and move smoothly and evenly
along the joint while fusing the materials together.
75°
Form a weld pool Angle torch Move the torch slowly
and evenly forward
Travel direction
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