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MMW
MMW
Senior Member
Last Activity: 10-17-2021, 05:08 AM
Joined: 09-08-2005
Location: northern NJ
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  • MMW
    replied to Mini excavator pin removal
    Closing up is why I suggest 3/8 or bigger hole. Once you have a pilot hole opening it up further goes quickly. Once the hole closes with slag you get blow back and it's hard to get it through again. I would rather spend a little more time drilling than being showered in sparks. Glad you got it ...
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  • Hi Don. What wire were you using? Brand, number and size. Just curious. Nice work on the tests.
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  • MMW
    replied to Aluminium tig problems
    G-ManBart - 2% thoriated works excellent on aluminum on a transformer machine such as a syncrowave. I'm sure there is some other color that works too but please don't say "Thoriated won't work well on aluminum" because that just is not true.

    To OP - As far as torch goes you have...
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    Last edited by MMW; 10-10-2021, 01:58 PM.

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  • MMW
    replied to Aluminium tig problems
    Black soot is contamination. If you are sure the material is clean then it could be gas. Do you have gas flowing out of torch? No leaks anywhere? Is torch assembled correctly with seals in good shape. What size tungsten? Using matching collet? Have you tried another tungsten? If you have another...
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  • MMW
    replied to Transfer tank
    About half way through ran out of 3/32 tig rods so I take two 1/16 rods, clamp in vice, other end in drill and twist em. This gives you plenty of filler instead of trying to finish using 1/16. Had two spots with porosity that were easily ground out and fixed. I tacked about every four inches and...
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  • MMW
    started a topic Transfer tank

    Transfer tank

    Time for another tank. L shape transfer tank used for diesel fuel. Whole bottom is extremely pitted, leaks repaired in the past with epoxy stuff. Did not think I could do it cheap enough by cutting off the bottom and replacing so just plated over the whole bottom. Used 1/8 steel and tigged it. Pic 1...
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    Last edited by MMW; 09-29-2021, 06:24 PM.

  • All of the above.
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  • MMW
    replied to Newbie question
    Welcome. Ask what you want. Hopefully it pertains to welding/fabricating. No question to dumb.
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  • MMW
    replied to Gas Tank Repair
    Looks like a reasonable fix. Do you wash the tank out or just let it evaporate dry?
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