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Anonymous Posted on Mar 29, 2013

How make tig welder to mig welder

I have wire feed and hf 250 miller ac-dc arc welding machine can I make mig weld on that?

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  • Posted on May 09, 2013
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Switch from tig welding to mig by switching your current from AC to DC for mig. change from your tig gun to your mig gun. turn water flow off. proper ground and weld away.

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  • Posted on Oct 13, 2022
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You should also not be using the same gases for TIG welding as you do for MIG welding. Both of these processes use different kinds of gas. TIG primarily uses argon, as stated previously. MIG, however, common uses carbon dioxide (co2).
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Anonymous

  • 81 Answers
  • Posted on Jul 20, 2010

SOURCE: Miller S-54D 115V digital wire feeder that does not weld right.

Hi Kevin,
Causes of poor penetration: Travel speed too fast, welding current too low,
poor joint design / and or preparation, electrode diameter too large,
wrong type of electrode, excessively long arc length.
Solutions: Decrease travel speed, increase welding current, increase root
opening or decrease rootface, use smaller electrode, use electrode with deeper
penetration characteristics, reduce arc length.

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Anonymous

  • 1 Answer
  • Posted on Sep 06, 2010

SOURCE: lincoln electric ac/dc arc welder model ac/dc

my welder doesn't weld but my electric meeter goes wild.

Anonymous

  • 4 Answers
  • Posted on Sep 11, 2011

SOURCE: trying find out what i

you will need a AC high frequency unit to weld aluminum. For stainless and mild steel just need a dry run tig torch, hose kit and 100% argon.

Anonymous

  • 1 Answer
  • Posted on Jun 30, 2012

SOURCE: will a ya219b snap on by century mig welder weld flux core wire

Are you using knurled rollers? Check the wire. Is it reversed polarity. Flux cored wire is very voltage sensitive.

Anonymous

  • 1 Answer
  • Posted on Jul 16, 2012

SOURCE: Miller welder 225 arcs but wont continue welding

There is an electrical connector that the wiring harness for the engine plugs into at the rear of the generator case. On the one that I had, there was corrosion in that connector. Once I fixed the wiring there, the voltage sensing feature worked correctly. The connector was located on the right side if you were looking at the controls. Hope this helps.

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What polarity do I use for tig welding aluminum, and what color electrode for miller hf-p dial arc

Your dialarc HF has a selector for polarity, DCEP (electrode positive), DCEN (electrode negative) and AC. DC TIG welding is done in DCEN only with the high frequency turned to start. When welding aluminum, you must be in AC with the high frequency turned to continuous. Other machines may be different, but that setup will be how you need to set that dialarc HF.

The old school tungsten recommendation has always been the green or pure tungsten when welding aluminum on AC with a transformer machine, which is what you have. However, pure tungsten will not be a good choice for inverter style machines or when welding other metals besides aluminum. So instead of having multiple types of tungsten running around in your tool box, I use the blue or 2% lanthanated tungsten for everything. I find that it has excellent arc characteristics on both AC and DC, you can also sharpen it to a point when welding on AC, which is very useful in directing the arc when tacking up your aluminum job or starting out at low amps.
tip

Sharpening electrodes when tig welding in DC

Use the smallest tungsten possible, ie 1/16" welds up to 115amps. Hold the tungsten straight up the face of the grinding wheel so the striations go up the tungsten. This encourages the arc to go straight down the electrode thus avoiding arc wonder on lower amperages. It also helps to make the point as long as possible to encourage a finer arc. Happy welding.
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I have a miller sycrowave 250DX i have been tig welding for about 10 years i bought this machine 2nd hand hoping it would work ok when i weld in AC and hq the arc seems like it just wants to stop it...

Did the machine ever work properly? I am assuming you are using a remote for tig welding. If you watch the points, does the HF stay on after the 5 to 10 seconds as you stated. It should stay on as long as you activate the machine. Make sure your Start Mode is in continuous. See page 42. Since there are so many options, check page 34 for help setting the options. If you still cannot get ti to weld properly, contact Miller for service. https://www.millerwelds.com/files/owners-manuals/O363AU_MIL.pdf
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I have a miller microwave 200. what settings should i use for aluminum welding? dcep, ac, dcen? i'm using a3/32'' tungsten and trying to weld on 1/4'' alum plate. the weld is not turning out to be a smooth...

I think you mean you have a Miller Synchrowave 200.

Typically, you would want to use AC below about 250 amps. In this case (to keep it simple), use AC, adjust your balance to about 4, use an 1/8" pure tungsten, pure argon at about 20CFh, and set the panel at 170amps to get things started. For general purpose, use 4043 filler.

Now - these are just generic settings, but they will get you going.
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