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Old 01-12-2012, 11:04 AM
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Randyjaco Randyjaco is offline
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Default Spool Gun and a DialArc??

I have been wanting a spool gun for some time. My old MillerMatic 35 just isn't going to cut the mustard. Is it reasonably possible to hook a spool gun up to a Miller DialArc HF? I noticed today on CL that someone has a Dialarc with a spool gun.

Randy
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Old 01-14-2012, 11:30 AM
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I guess nobody else knows either 8^)
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Old 01-14-2012, 12:24 PM
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Default I don't think so

Randy, I don't think it'll work without a bunch of modifications.

A spool gun needs three inputs:
1. a source of low impedance high current electricity at a constant voltage.
2. a source of inert gas.
3.a control voltage to run the spool motor that feeds the wire and to open a valve to allow a flow of shielding gas.

The dialarc has none of those things.

Now I have no doubt that given time and money, you could tear the dialarc apart and modify it into a MIG welder, but I think it would be far easier, cheaper and better to just go on CL and find a nice used Miller 180 or a Lincoln or Hobart in the same size. I have found that that size will handle just about anything you might need around a suburban house. You might go larger - say to a 250 - if you're planning to do bigger projects.

Hope this helps.

DrBob
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Old 01-14-2012, 01:13 PM
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platypus20 platypus20 is offline
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Randy,

below is a spool gun hook up guide

A Miller DialArc is a constant current power source, a spool gun needs a constant voltage power source. The WC-115A adapter from Miller will make it work on a Miller 15A or 30A spool gun. The SGA-100C will allow to use a Miller 3025 spool gun

http://www.millerwelds.com/products/...gun-chart.html

http://www.millerwelds.com/om/o1078l_mil.pdf WC-115A

http://www.millerwelds.com/om/o190753h_mil.pdf SGA-100C
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Last edited by platypus20; 01-14-2012 at 01:24 PM.
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Old 01-14-2012, 08:45 PM
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Before I moved up here I had a spool gun on mine with the miller interface.
It worked well but The spool gun went as part of a different welder when I sold some equipment. Bad decision but I did not intend to be a fabricator up here and had to get rid of some heavy metal to ease the move.
I do have access to big portable welders with guns if I really need one.
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Old 01-14-2012, 09:45 PM
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Thanks guys, that was pretty much what I thought, but I am far from knowledgeable in the subject. I just don't have the budget for a new Mig and a spool gun. When I saw the CL ad I was hoping that I had another option.
BUMMER

Randy
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Old 01-14-2012, 10:34 PM
aametalmaster aametalmaster is offline
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Quote:
Originally Posted by Randyjaco View Post
I have been wanting a spool gun for some time. My old MillerMatic 35 just isn't going to cut the mustard.

Randy
Put a Miller Spoolmate 185 spoolgun on your MM35 with the SGA-100 04856 adaptor. That welder has more than enough power for alum...Bob
http://www.millerwelds.com/products/...gun-chart.html
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Old 01-14-2012, 11:39 PM
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Quote:
Originally Posted by platypus20 View Post

A Miller DialArc is a constant current power source, a spool gun needs a constant voltage power source.
Since others may one day read this thread can you, for me as well, explain the difference?
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Old 01-15-2012, 09:46 AM
Ironsharpensiron Ironsharpensiron is offline
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Cc cv...doesn't matter If you buy the correct adapter!

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  #10  
Old 01-15-2012, 09:51 AM
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Constant current - used in stick and tig welding, you set the amperage and the welding power source, within a defined range varies the output voltage, to try to maintain a constant amperage output. The variance in voltage is caused by the welder, trying to maintain a constant distance between the work and the electrode.

Constant voltage - used in mig welding (which includes spool guns), you set the wire speed and the output voltage, the power source again within a defined range, varies the output amperage to try to maintain a constant voltage output. The variance in voltage is caused by the welder trying to a constant distance between the work and the mig gun.
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