TIG welding Q & A
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Thread: TIG welding Q & A

  1. #1
    Administrator pirate56's Avatar
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    Default TIG welding Q & A

    After you have read the tig tutorial I am sure you will have questions, so ask away and I will try to answer them for you.

    TIG tutorial here: http://www.gunco.net/forums/showthread.php?t=16265

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    CELTIC-PAGAN's Avatar
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    This might seem like a stupid question, but do you always use filler?

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    Friend of MCMXI Preacher's Avatar
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    I pulled this quote from the other thread:
    Quote Originally Posted by Pirate56
    Pogo, It should work, I have always used straight Argon, and don't remember the purpose of the mix. you should get good results with both using straight argon, and it should be less expensive.
    IIRC, isn't helium and argon called Stargon and used on welding aluminum?

    I know we had to get different gas whem MIG welding aluminum and I believe that was it.
    Quote Originally Posted by CELTIC-PAGAN
    This might seem like a stupid question, but do you always use filler?
    CP, although Pirate is the expert, but I have seen two peices of metal welded together with no filler. But both peices of metal were sawcut, and perfectly straight.
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    Administrator pirate56's Avatar
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    Quote Originally Posted by CELTIC-PAGAN
    This might seem like a stupid question, but do you always use filler?
    Welding without filler is called fusion welding, the joints need to be designed to do this. normally a tab or bend at the joint leaves excess metal to be melted in the weld process. A regular butt joint or one with a gap needs filler. the tighter the parts fit the less filler is needed. that is one of the advantages of TIG, you controll precisely how much filler is used.

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    CELTIC-PAGAN's Avatar
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    Preacher, Pirate, Thanks guys. Tig welding is something I need to learn.

    So that whole set up is around $400?

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    Gunco Member rlrsk8r's Avatar
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    I think it's being able to control precisely how much heat you apply. The foot pedal is more like a windage adjustment to dial in exactly what heat you need. Less important to me is the amount of filler. Need less ? Use a smaller rod. I would rather have finer control of the heat rather than the amount of filler.

    But that's my personal preference. YMMV



    Quote Originally Posted by pirate56
    Welding without filler is called fusion welding, the joints need to be designed to do this. normally a tab or bend at the joint leaves excess metal to be melted in the weld process. A regular butt joint or one with a gap needs filler. the tighter the parts fit the less filler is needed. that is one of the advantages of TIG, you controll precisely how much filler is used.

  8. #7
    Always sore, always tired Bradrock's Avatar
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    Quote Originally Posted by rlrsk8r
    I think it's being able to control precisely how much heat you apply. The foot pedal is more like a windage adjustment to dial in exactly what heat you need. Less important to me is the amount of filler. Need less ? Use a smaller rod. I would rather have finer control of the heat rather than the amount of filler.

    But that's my personal preference. YMMV
    I don't believe the particular Harbor Freight welder we're talking about here has a foot pedal.
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    Administrator pirate56's Avatar
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    No it doesnt, but it is $200.00 the complete setup was about $400.00

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