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# mig welder gas pressure

#1
12-21-04, 12:58 PM
shaggy
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mig welder gas pressure

what gas pressure should I use ? I have a chicago electric 132t dual mig. I just started to use it with gas . Works much better than with the flux cored wire , but at this point , I'm just guessing what pressure to use .

I read in another thread someopne recommending 10psi . The problem is that my regulator is in (cu. ft. /hr).

The manual I downloaded says 5-7 l/min . I'd like to go by the manual , but how do you convert that to (cu. ft. /hr).

#2
12-21-04, 02:13 PM
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The manual I downloaded says 5-7 l/min . I'd like to go by the manual , but how do you convert that to (cu. ft. /hr).

one l/min = 2.118 cu. ft/hr

5 l/min X 2.118 = 10.59 cu. ft/hr

5 l/min = 10.59 cu. ft/hr

Note, Flex wire uses a different polarity then solid wire.

#3
12-21-04, 03:22 PM
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Pretty Good GWIZ

I did the conversion slightly differently and came up with 5 l/min is 10.63 Ft3/hr. And 7 l/min is 14.88 Ft3/hr

Good point about changing the polarity when switching from flux core to solid wire.

Last edited by arkayassoc; 12-21-04 at 03:26 PM. Reason: Additional info
#4
12-21-04, 04:25 PM
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Did well with formulas in school, but I guess if you don't use it...................

I use this.
It comes up with 10.59 cf/h

There are a lot of other usefull conversions on this site.

#5
12-21-04, 04:55 PM
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Greg,

Thanks for the site, I have bookmarked it.

#6
12-22-04, 08:33 AM
shaggy
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thanks everyone . GWIZ , I did change the polarity .