| Gallery, Projects and General > How do I?? |
| Starting TIG |
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| doubleboost:
Jody Is the Man for welding video His "arc" shots are amazing John |
| DavidA:
VT, Is you welder a scratch start or a hi-frequency start ? Dave. |
| vtsteam:
Thanks all for the advice, guys! I've started watching those videos, and the website links. DavidaA The welder is a Harbor Freight DC 165 amp inverter with digital display. It does have high frequency start. it has a gas shut off, and can use a foot pedal (if you make one up). Other than that it's just basic. I've got coming some 1/16" and .040" 2% lanthanated electrodes, and some 308L .030" SS wire -- I already have steel wire. I just realized I don't have an argon hose from the tank to the welder, though I do have the welding side hose. Didn't think about that one. I do have a regulator, and the argon should be here Tuesday. Yesterday I decided to just practice stick welding with the TIG welder using 6011 1/8" rod. I got poor results. I couldn't maintain an arc for the whole weld, and more amperage just cut through the 1/8" plate. When I switched over to my Lincoln tombstone buzzbox (AC) I was able to weld fine, using the same rod. and plate. I'm wondering if I should try reversing the polarity on the DC welder. I assume it's DCEN -- though it doesn't state that for sure anywhere in the couple page manual. There's a switch for TIG vs Stick -- but I don't know if that switches the polarity, too. Maybe I should test the output with a multimeter? |
| vtsteam:
Does the hose type matter for the argon hose to the welding box? Can I make something up or do I have to send for some specialty hose? |
| awemawson:
I use the same hose and quick release fittings that I use for compressed air. This allows me to use the same cylinder on different welders just by unplugging. I'm migg'ing with pure argon rather than co2 mix as I need the pure stuff for TIG and it avoids renting two bottles - (the rental is high and the gas relatively cheap) |
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