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  • MM 211 shielding gas

    Have done some welding over the years and with GMAW processes, I've always used straight CO2. That's what I learned with and what I had success with. Last year I bought the Millermatic 211 when it was on sale, and I love the machine. However this last week I've been having an issue and I think I know the problem but I want to run it across you guys'. I was installing subframe connectors into a fox body Mustang, so you already know that the frame rails are paper thin. Anyway, everything was sanded clean but I had to do this on my back, welding overhead lap joints and butt joints. Couple times I found myself burning through. Most of the time it was fine but seems like if I turned the voltage down a little bit, the arc would become really sloppy, even after adjusting the wire speed. If I got the tip REALLY close to the work, it would do ok-still not great, but well enough to get the job done. Still got a bit of arc instability. In some cases I'd have to get the tip so close to the work that it would burn the tip which I felt was abnormal. I'm using ER70S-6 at .023 and the correct Miller/Hobart tips. Wire feed roller also correct for the .023" wire. I never had problems with wire feed-just arc instability. Seems like if I got far enough away from the work to see what I was welding, the arc would get so instable that it was almost impossible to run a good bead.

    Does this sound typical of straight CO2? I was considering trading my CO2 for C25.

  • #2
    Yup grab a bottle of 75/25 it will make a difference...Bob
    Bob Wright

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    • #3
      I use C15 with my 252 for light material and for spray.

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      • #4
        C25 will run smoother, but also check and make sure you have a good ground. Replace the junky ground clamp that comes with that machine with one that's a bit more skookum.

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        • #5
          Ditto the C-15, which will do nearly all the jobs you're likely to do (depending on who's filling the bottles, nominal C-15 might be actual C-20, since CO2 is cheaper than Argon). As compared with C-25, less burn-through, easier to carry out of position, less spatter. A lot of big operators use this, including Genie Industries (man-lifts) in this area.

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          • #6
            Originally posted by ryanjones2150 View Post
            C25 will run smoother, but also check and make sure you have a good ground. Replace the junky ground clamp that comes with that machine with one that's a bit more skookum.
            Hey Ryan.....All of my new machines get better work leads and "more skookumer" clamps. Good advice! Just outta curiosity....where did you come up with the term "skookum"? My wife makes fun of me when I use it.

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            • #7
              Originally posted by Ironken View Post

              Hey Ryan.....All of my new machines get better work leads and "more skookumer" clamps. Good advice! Just outta curiosity....where did you come up with the term "skookum"? My wife makes fun of me when I use it.
              https://en.wikipedia.org/wiki/Skookum



              BTW.. you might find these informative...

              Worth downloading for reference..

              http://catalogs.praxairdirect.com/i/...al-manuals/110
              Last edited by H80N; 01-01-2016, 03:52 PM.
              .

              *******************************************
              The more you know, The better you know, How little you know

              “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

              Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

              My Blue Stuff:
              Dynasty 350DX Tigrunner
              Dynasty 200DX
              Millermatic 350P w/25ft Alumapro & 30A
              Millermatic 200

              TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

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              • #8
                Thanks H80n for the "skookum" links.

                Comment


                • #9
                  I'd like to see an expert in Northwest coast indian languages have a look at that Wikipedia entry, because some of it doesn't sound right. The cited sources seem not to include any linguistics experts. However, that entry links to one on "Chinook Jargon" that looks much more authoritative.


                  From the Wikipedia entry: Skookum is a Chinook Jargon word that has come into occasional use in the Pacific Northwest.[1]
                  The word skookum has three main meanings:
                  1. (in regional English) an adjective with a variety of positive connotations;
                  2. a monster; similar to the sasquatch.
                  3. a souvenir doll once common in the United States in tourist areas.



                  Here in the greater Seattle/east Puget Sound area all of us early baby-boomers were told as kids (often in Boy Scouts) about "Chinook-talk" and grew up with the word Skookum, with the meanings "good, fine, excellent, well-done." And that was all. And nobody says "skookumer."

                  Whatever, Ironken is right, you need the right clamps to get the plenty skookum welds.
                  Last edited by old jupiter; 01-01-2016, 10:47 PM. Reason: (

                  Comment


                  • #10
                    Originally posted by Ironken View Post
                    Thanks H80n for the "skookum" links.
                    Actually... I thought the link to the Praxair manuals was more useful..

                    http://catalogs.praxairdirect.com/i/...al-manuals/110

                    lots of good info there....

                    ....
                    Last edited by H80N; 01-02-2016, 06:41 AM.
                    .

                    *******************************************
                    The more you know, The better you know, How little you know

                    “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

                    Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

                    My Blue Stuff:
                    Dynasty 350DX Tigrunner
                    Dynasty 200DX
                    Millermatic 350P w/25ft Alumapro & 30A
                    Millermatic 200

                    TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

                    Comment


                    • #11
                      Skookumer. More skookumer. I use them. My wife makes fun of me too. I also like seeberdeeber, seebler and shmoo...amongst a few others.

                      I lived outside Seattle for 10 years, so maybe I picked it up then. Not sure.

                      But something is REALLY much more skookumer, then it's skookum choocher.

                      Used in a sentence...."that new ground clamp that ironken got is the skookum choocher of ground clamps."

                      The Praxair links were good too. Seems like you posted a link to a video talking about welding gases a while back too. That one was good. If my memory is correct, it was about argon and helium though.

                      Comment


                      • #12
                        Originally posted by H80N View Post

                        Actually... I thought the link to the Praxair manuals was more useful..

                        http://catalogs.praxairdirect.com/i/...al-manuals/110

                        lots of good info there....

                        ....
                        That manual in now on my Google Drive. Good find....I had an older version saved.

                        Comment


                        • #13
                          Originally posted by ryanjones2150 View Post
                          Skookumer. More skookumer. I use them. My wife makes fun of me too. I also like seeberdeeber, seebler and shmoo...amongst a few others.

                          I lived outside Seattle for 10 years, so maybe I picked it up then. Not sure.

                          But something is REALLY much more skookumer, then it's skookum choocher.

                          Used in a sentence...."that new ground clamp that ironken got is the skookum choocher of ground clamps."

                          The Praxair links were good too. Seems like you posted a link to a video talking about welding gases a while back too. That one was good. If my memory is correct, it was about argon and helium though.
                          I picked up "skookum" and "choocher" from this youtube tool guy that goes by Ave. He says some funny s!#t and is pretty sharp.

                          https://m.youtube.com/watch?v=WvszAb0Y0Ec

                          H8o, I would be interested if you could re post that shielding gas video that Ryan mentioned.

                          Comment


                          • #14
                            Originally posted by Ironken View Post

                            H8o, I would be interested if you could re post that shielding gas video that Ryan mentioned.
                            That was one of Jody's on using Helium mixes to boost heat when TIG welding aluminum with an underpowered welding machine...

                            https://www.youtube.com/watch?v=Gvk8rH05ADU

                            Here are more from him... same subject.. but more recent (part 1 & 2)

                            https://www.youtube.com/watch?v=yhDvRJ7HZ6E

                            https://www.youtube.com/watch?v=bhJy...ation_22469189


                            Last edited by H80N; 01-02-2016, 11:04 AM.
                            .

                            *******************************************
                            The more you know, The better you know, How little you know

                            “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

                            Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

                            My Blue Stuff:
                            Dynasty 350DX Tigrunner
                            Dynasty 200DX
                            Millermatic 350P w/25ft Alumapro & 30A
                            Millermatic 200

                            TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

                            Comment


                            • #15
                              Does he know what a coocher is? A coocher isn't a tool; however, you might use YOUR tool in conjunction with a coocher . . . .

                              Junkyardwarrior, are you seeing how widely informative this site can be? Not only the welding setup info you asked for but some useful terminology thrown in absolutely free. Some of us could further advise you on language appropriate to welds-gone-wrong, but the site would properly delete that. Of course, the real gurus here, like H80N, haven't had their welds go wrong in such a long time that they have probably forgotten those particular verbal responses, whereas MY language could serve to post-heat my welds, alas.
                              Last edited by old jupiter; 01-02-2016, 11:16 AM.

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