Ok - great advice all on my pre-heating question, but I have another. I have a TIG setup, and I am having a bit of trouble finding the fine line of the correct feed rate of my filler. I have been diligently watching for my keyhole throughout the whole pass, but I am noticing slight inconsistency with my feeding. Sometimes, I feel as though I am drawing my rod plenty far out of the puddle, moving the torch, and then "pushing" the rod back in to fill the keyhole ... then other times it feels as though the heat is "stealing" my filler rod before I can agressively introduce it into the puddle (it kind of drips off a milisecond berfore I can get it to the puddle). The beads look extremely similar after each of these situations. I know it is kind of difficult to explain feel over text, but does this make sense, and what should I shoot for? Am I running to hot when it feels like I am losing my filler before I can get it to the puddle, or should I just be more aggressive with my feed hand? Ok, if anyone needs any more info, let me know. Thanks in advance for the help.
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