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Old April 28th, 2009, 08:10 PM   #1
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Default welder settings

i just bought a miller 210 mig welder and was wondering what everyone suggested i should use for wire size, what my flow should be set at and any other detailed info would help. I realize you can only get me in the ballpark but any help would be appreciated. I'll be starting off welding .120 wall dom tube. I know there are some pro's on here that can help.
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Old April 28th, 2009, 08:30 PM   #2
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Wire size .030 or more likely .035. Flow settings for gas approx 20-25psi.
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Old April 28th, 2009, 08:31 PM   #3
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you can get away with .030 or .035 wire. as for the settings. that depends on the sire you go with but i would say to test it out on scrap pieces. there should be a chart with the welder. most of them are on the inside of the panel for the wire.
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Old April 28th, 2009, 08:31 PM   #4
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Let me ask what it came with? and if your using Gas or Flux core?
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Old April 28th, 2009, 09:45 PM   #5
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Let me ask what it came with? and if your using Gas or Flux core?
sheilding gas for suretired of breathing the flux in. Its got a spool of .035 lincoln wire in it. I have the flow set at 20 and it seems like its not getting enough gas. Welds look like they are dark. Upped the gas to 35 and it doesn't seem any better????
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Old April 28th, 2009, 09:53 PM   #6
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is the tip clean? is the nozzle adjusted right? what gas are you running?
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Old April 28th, 2009, 10:02 PM   #7
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I was running my Lincoln at ~25-30 cfh which is friggin way to much and wasn't getting real good welds, so I took the gun loose from the welder and took the gun apart to see if something was hindering my gas flow and what I found I believe is that the set screw that holds the end of the gun cable in the welder was loose allowing the insert to move back and forth and not get a good ground either, the gas was leaking from the double o-rings.

point to all that is after I fixed the problem my gas setting is now at ~10-12 cfh, which is where it is supposed to be. with my welder (Lincoln 175 HD) I can weld sch 40 pipe on the middle setting and feel confident I am getting good penetration (fillet weld)

hope that helps.
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Old April 28th, 2009, 10:07 PM   #8
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using 75/25 gas. I'll check my gun and tips out tommorrow and see if i find any problems.
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Old April 28th, 2009, 11:01 PM   #9
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yeah you should only have to run 10-15 for the gas. thats all i ever ran in any welders i have used and that was at work welding heavy steel.
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Old April 29th, 2009, 08:11 AM   #10
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I have mine set at 20 cf/hr. I can't remember where i found this spec at, but i thought it said not to lower the flow below 20.

You are welding out of the wind right?
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Old April 29th, 2009, 08:16 AM   #11
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i just found this on google, should help get you going

http://www.millerwelds.com/resources...calculator.php
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Old April 29th, 2009, 08:22 AM   #12
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Default welding tip

when you are welding it should sound like frying bacon,gas 25 to 35 psi
as for the wire dont really matter to much on the size depends on what the thickness of the metal you are welding and on how hot you are running the welder. just make sure you check the rollers and use the groves for the size wire most welders have 2 different size groves on the rollers.
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Old April 29th, 2009, 01:45 PM   #13
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Quote:
Originally Posted by fenderphilsy View Post
when you are welding it should sound like frying bacon,gas 25 to 35 psi
as for the wire dont really matter to much on the size depends on what the thickness of the metal you are welding and on how hot you are running the welder. just make sure you check the rollers and use the groves for the size wire most welders have 2 different size groves on the rollers.
25-35 PSI ! ???

its flow not preasure and 10-15 cfh is more than enough. if you need more do to wind or draft ,block it with something.
And dont buy you wire from TSC or any other off brand bulk supplier its crap from China.
I switched over strictly to Lincoln consumables wire ect.and will not switch back.
Miller stuff is just as good I just like red :)
Jeff

Last edited by jmdzuk; April 29th, 2009 at 10:00 PM.
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Old April 29th, 2009, 02:45 PM   #14
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Quote:
Originally Posted by jmdzuk View Post
25-35 PSI ! ??? its flow not preasure and 10-15 cfh is more than enough. if you need more do to wind or draft ,block it with something.
And dont buy you wire from TSC or any other off brand bulk supplier its crap from China.
I switched over strictly to Lincoln consumables wire ect.and will not switch back.
Miller stuff is just as good I just like red :)
Jeff

I weld .120" tube on 100-125 amps with .030" wire and about 20 CF (something... hour, minute... whatever it is). I actually prefer to use the TSC wire over any other wire I have used and I've gotten wire from just about everywhere... Ask Benny87 what he thinks of the TSC wire... he just switched to it, he said it was night and day. When I get a bad spool from TSC I'll continue the search for the "good" wire.
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Old April 29th, 2009, 07:44 PM   #15
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Lincoln Wire spec Direct From Lincoln Site

SuperArc L-56

AWS ER70S-6

Diameter (in) .035

Diameter (mm) 0.9
Package 30 lb. Plastic Spool

Product Number ED016099

Typical Application
For welding on base material that has medium to heavy millscale.
Automotive repair.
Sheetmetal to multiple pass applications on 55,000 to 70,000 psi (379 to 483 MPa) yield strength base metal.

Conformance
AWS A5.18: ER70S-6
ASME SFA-5.18: ER70S-6
MIL-E-23765/1: MIL-70S-6
CWB W48-01: ER49S-6

Shielding Gas
100% CO2
75-95% Ar / Balance CO2
95-98% Ar / Balance O2
Flow Rate: 30 - 50 CFH
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Old April 29th, 2009, 09:21 PM   #16
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at those flow rates a Q size bottle of gas won't make it through a 10lb spool of wire, 8-12 CFH is all the gas flow you will need, it is mig welding not TIG
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Old April 29th, 2009, 09:57 PM   #17
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Quote:
Originally Posted by 95geo View Post
I weld .120" tube on 100-125 amps with .030" wire and about 20 CF (something... hour, minute... whatever it is). I actually prefer to use the TSC wire over any other wire I have used and I've gotten wire from just about everywhere... Ask Benny87 what he thinks of the TSC wire... he just switched to it, he said it was night and day. When I get a bad spool from TSC I'll continue the search for the "good" wire.
I got a bad spool.... plus I get much better life out of my liners and contact tips ect..
I use L56 and L50 .The L56 is much more fluid than the L50 .The L50 is better penetrating just not as many scavengers in it ect..

TSC wire is from China.

Everyone has there preferences


Good luck
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Old May 1st, 2009, 01:44 PM   #18
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Quote:
Originally Posted by dingle dave View Post
i just bought a miller 210 mig welder and was wondering what everyone suggested i should use for wire size, what my flow should be set at and any other detailed info would help. I realize you can only get me in the ballpark but any help would be appreciated. I'll be starting off welding .120 wall dom tube. I know there are some pro's on here that can help.
I'll trade you straight accross for my well-dialed-in Lincoln Pro-Mig 135
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Old May 1st, 2009, 01:59 PM   #19
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listen for the bacon frying and you should be close
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Old May 1st, 2009, 07:56 PM   #20
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listening is good, but you can also see it as well, watch the arc, you can tell if it is making a good weld or not, if the arc is jumping back and forth from the work piece towards the tip and making an irrattical sound adjust your wire speed if the the heat setting is correct. you can also see the puddle forming in front of the wire being fed, can be adjusted by heat and feed of the gun. It takes getting used to your welder, take some scrap and try out a couple beads, you'll find the sweet spot. every welder is different.
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