Re: FLUX CORE WELDING WIRE???
[Re: JBurch]
#121631
09/16/08 11:06 AM
09/16/08 11:06 AM
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Joined: May 2007
Posts: 1,443
Maryland
Dads426
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pro stock
Joined: May 2007
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Maryland
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I found that the flux-core wire carries more heat to the metal than the MIG process. The wire diameter is larger to accomodate the flux inside the wire so it has to be rigid enough so it won't collapse. It is hard to get the heat low enough. So, more burn-throughs and lots of spatter. I prefer argon/CO2 mix with sheet metal; have used flux-core for heavier repairs like subframe connectors, rear back brace, etc.
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Re: FLUX CORE WELDING WIRE???
[Re: Dads426]
#121632
09/16/08 11:08 AM
09/16/08 11:08 AM
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Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo
Too Many Posts
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Too Many Posts
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Posts: 21,318
Manitoba, Canada
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Quote:
I found that the flux-core wire carries more heat to the metal than the MIG process. The wire diameter is larger to accomodate the flux inside the wire so it has to be rigid enough so it won't collapse. It is hard to get the heat low enough. So, more burn-throughs and lots of spatter. I prefer argon/CO2 mix with sheet metal; have used flux-core for heavier repairs like subframe connectors, rear back brace, etc.
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Re: FLUX CORE WELDING WIRE???
[Re: Dads426]
#121635
09/16/08 11:25 AM
09/16/08 11:25 AM
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Joined: Jan 2003
Posts: 74,948
U.S.S.A.
JohnRR
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I Win
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U.S.S.A.
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Quote:
I found that the flux-core wire carries more heat to the metal than the MIG process. The wire diameter is larger to accomodate the flux inside the wire so it has to be rigid enough so it won't collapse. It is hard to get the heat low enough. So, more burn-throughs and lots of spatter. I prefer argon/CO2 mix with sheet metal; have used flux-core for heavier repairs like subframe connectors, rear back brace, etc.
thats because its a thicker OD wire diameter and you have to turn up the current .
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Re: FLUX CORE WELDING WIRE???
[Re: macmic87]
#121640
09/16/08 06:40 PM
09/16/08 06:40 PM
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Joined: Aug 2008
Posts: 1,568
Omaha, Nebraska
Scott Carl
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pro stock
Joined: Aug 2008
Posts: 1,568
Omaha, Nebraska
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I don't believe so. I can't change the polarity on my MIG and I can run FC or solid wire. However, that does open some line of thinking. Changing the polarity often can affect the way a weld runs and hence can sometimes result in more or less splatter, regardless if its flux core, solid wire or even stick arc welding
Last edited by Scott Carl; 09/16/08 06:43 PM.
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Re: FLUX CORE WELDING WIRE???
[Re: macmic87]
#121641
09/16/08 08:24 PM
09/16/08 08:24 PM
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Joined: Jan 2003
Posts: 2,734
Charlotte, NC
446acuda
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Charlotte, NC
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Quote:
doesn't going from flux core to regular wire require that you change the polarity of the machine?
On my Hobart(Miller) 140 you have to swap these leads depending on if you are using gas or using flux. This setup is for flux core.
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Re: FLUX CORE WELDING WIRE???
[Re: 446acuda]
#121644
09/16/08 10:26 PM
09/16/08 10:26 PM
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Joined: Jan 2003
Posts: 74,948
U.S.S.A.
JohnRR
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Quote:
Quote:
doesn't going from flux core to regular wire require that you change the polarity of the machine?
On my Hobart(Miller) 140 you have to swap these leads depending on if you are using gas or using flux. This setup is for flux core.
yes you have to change the polarity , easy to do as this picture shows . my lincoln is the same way
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We also ran a shield gas of straight C02 with the fluxcore. That was supposed to help keep a constant current at the weld for even better heat and penetration.
