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  • #31
    Fluxcore and stick are both going to be a little more forgiving when it comes to penetration on thicker materials than solid wire. They both dig into the material a little bit more naturally. I would reccomend before you spend money on a new machine that you go buy a 4" spool of fluxcore (get a name brand here, it makes a difference) and do some test welds on some thicker material to see if you like it. I would also recommend watching a video on setup/welding with fluxcore before you get started.

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    • #32
      Pretty impresses with weld information found in these links....

      https://www.youtube.com/watch?v=Xod-ByrxHg4

      http://weldingtipsandtricks.com

      "Fear The Government That Wants To Take Your Guns" - Thomas Jefferson..

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      • #33
        Originally posted by Hunt4weld View Post
        Ok, so is 150 amps of DC stick better suited to penetrate deeper on thicker welds with less welding experience than my hh190 on mig setting?( If I'm understanding correctly the flux core has better penetration and would be stronger with less experience in welding)
        thanks Matt
        Many GMAW weldors have little experience with FCAW, and seldom use the process, because it is more difficult to make visually appealing welds with FCAW. Also, many GMAW weldors have never learned SMAW, because GMAW is so much easier.

        SMAW is harder to learn, but once you are experienced, allows you to weld a much greater variety of materials in all positions. The major problem with the process is that it is much slower than GMAW or FCAW.

        Because, the SMAW process is slower, it is also possible to vary technique to avoid weld faults which are often welded over with the steady stream of molten metal in GMAW. Also, much more versatility in out-of-position welding is available.

        No process benefits from "less welding experience", so I am not sure about your question, but GMAW generally is the easiest of the main welding processes to learn. Penetration in all processes is highly dependent on electrode choice, joint design, and other factors, but FCAW and SMAW will generally produce more concentrated heat than the short circuit process on a GMAW machine.

        Finally, a half-century ago, when GMAW machines were very expensive, many were predicting that SMAW would soon be less used than OAW , but good SMAW weldors are still in demand today, although FCAW and MCAW are the quickly becoming the most used processes in industry.

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        • #34
          Thanks for the in depth explanation, much appreciated.

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          • #35
            Does anything need changed other than the type of wire used for flux core compared to Mig(inside the machine wiring wise?) Or do I just switch the wire out and can flux core weld,l my tank and lines attached to the welder but just turned off?

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            • #36
              Originally posted by Hunt4weld View Post
              Does anything need changed other than the type of wire used for flux core compared to Mig(inside the machine wiring wise?) Or do I just switch the wire out and can flux core weld,l my tank and lines attached to the welder but just turned off?
              Change polarity, See your manual.

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              • #37
                Ok, thanks for the heads up

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                • #38
                  Agree, dont get hung on the thickness. These little DC machines are VERY good, good arc. I got 10 machines,,, they still my go too stick in the shop. Click image for larger version

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                  • #39
                    I should have added that while this is a Lincoln pic the Hobart and Miller are as good or better.
                    http://www.facebook.com/cary.urka.urkafarms

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                    • #40
                      Originally posted by Sberry View Post
                      I should have added that while this is a Lincoln pic the Hobart and Miller are as good or better.
                      Yeah, but the Lincoln is strawberry red.

                      Cary, I thought you set your welders to DC+ and broke off the selector knob. That one still has the knob.
                      Last edited by usmcpop; 01-10-2021, 12:11 PM.
                      --- RJL ----------------------------------------------

                      Ordinarily I'm insane, but I have lucid moments when I'm merely stupid.
                      -------------------------

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                      • #41
                        I break the knob off other peoples, I just leave mine alone,,,, ha But fwiw, certified at a nuke on unlimited thickness with 1/8 rods. as there a year and never used a bigger electrode. Could have done it all with a DC buzzer and heard they now use Max 150 in place of the stuff we did that had a resistor remote, could build an oven on top and short it out, set the current dial for the heat.
                        http://www.facebook.com/cary.urka.urkafarms

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                        • #42
                          Getting back to this , the dc stick machine is made for working on equipment. I got a 300 Synch and a Maxstar and the old dv buzzer is what I use. When I weld regular I ran them side by side in the booth. I should test and compare the 300 to the buzzer but I have tested buzzer against Max. I say the buzzer has the edge in restarts, other than that can't tell them apart.
                          only thing makes a bigger welder a better welder is it's bigger. It's really rare it makes a difference if you are not in the heavy equipment biz.
                          Last edited by Sberry; 01-13-2021, 08:58 PM.
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