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    309 is a good wire for unknown stainless. It is...

    309 is a good wire for unknown stainless. It is also good for welding stainless to carbon steel. For TIG pure argon is fine, for MIG you probably want tri-mix or C2.
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    I would think there would be a bit too much heat...

    I would think there would be a bit too much heat for the grease seals. You might have to change them after all the welding.
  3. HF = High Frequency start, Lift = Lift start....

    HF = High Frequency start, Lift = Lift start. Both of these are for the TIG process.
    The James F Lincoln Foundation has a number of books on basic to advanced welding. I think there are even some as...
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    Not my video. Just a machining channel I follow.

    Not my video. Just a machining channel I follow.
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    325EXT Unboxing

    Here is a brief unboxing of the 325EXT and cooler.


    https://www.youtube.com/watch?v=HrDDuo25Pa0
  6. Thread: 325ext

    by Rambozo
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    2,125

    You will have to be the spot timer using the...

    You will have to be the spot timer using the torch switch or foot pedal. It just takes a bit of practice to learn to get consistent duration welds.
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    The flowmeter will work with a variety of gas...

    The flowmeter will work with a variety of gas mixtures. The calibration is a bit different depending on what gas. Usually the flowmeter will be marked in Argon that works for pure Argon and most...
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    Might be easier to just get a replacement torch?...

    Might be easier to just get a replacement torch? From the photo, yours looks like it could be damaged beyond just the replaceable parts.

    https://www.ebay.com/itm/173776718377
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    Nice to hear that you got it converted. Good to...

    Nice to hear that you got it converted. Good to know that option is available. Having local parts is a big plus when the clock is ticking on a job.
  10. Thread: New guy

    by Rambozo
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    Better dead than red? :P

    Better dead than red? :P
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    No problem, there will just be a slight...

    No problem, there will just be a slight difference in the rate the amps change. You probably won't even be able to tell the difference.
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    For really low amp work you might want to check...

    For really low amp work you might want to check into some helmets that don't trigger on light, but trigger on the EMF of the arc. Miller calls it X mode, not sure what it's called on other brands....
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    Looks like your travel speed needs to go up a...

    Looks like your travel speed needs to go up a little bit. One thing you can also try is to position a guide bar or something for your torch hand to slide along. Just like with a cutting torch, a...
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    Great news. The people with problems are the most...

    Great news. The people with problems are the most vocal, so it's nice to balance some of that with the happy endings, too.
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    The pot is wired as a voltage divider, so...

    The pot is wired as a voltage divider, so changing the value will not have that much effect. However, changing the taper from linear to log or vise versa will. You can also get reverse log, if you...
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    I just got the same, but thanks to your example,...

    I just got the same, but thanks to your example, I went back to see that it really did post and avoided a duplicate. The more things change, the more they stay the same. :(
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    Smoke on the road. Looks very nice.

    Smoke on the road. Looks very nice.
  18. Thread: Hello

    by Rambozo
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    I'm sure there is one thing they all do...

    I'm sure there is one thing they all do promptly...


    cash the check!
  19. Thread: ???

    by Rambozo
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    3,941

    ???

    Does this forum need one of those animated tumbleweed emojis?
  20. Thread: New 250EX

    by Rambozo
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    Aluminum is more touchy about clean dry argon,...

    Aluminum is more touchy about clean dry argon, and almost everything else. It will amplify any mistakes, so I would first get good with DC on steel, then try aluminum. If your bottle was open, who...
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    British Standard Pipe, British Standard Parallel...

    British Standard Pipe, British Standard Parallel Pipe. BSP or BSPT does have a slight taper, while BSPP doesn't. Much like our NPS (National Pipe Straight) used in the electrical industry. Also the...
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    A lot of Chinese stuff is BSP or BSPP.

    A lot of Chinese stuff is BSP or BSPP.
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    Depends on where it broke and if you can get the...

    Depends on where it broke and if you can get the broken piece out.
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    Here are some of the changes I made to the saw....

    Here are some of the changes I made to the saw.
    The fixed vise jaw was not quite square to the table so I re-machined the base perpendicular to the face and bored the pivot hole parallel to the face...
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    It does sound like you have some gunk in there....

    It does sound like you have some gunk in there. Yes the plastic tube can usually be unscrewed. There will be some O-rings and or seals to keep track of as it comes apart. However, if you do find...
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