Posted by rankrank1 on September 16, 2013 at 10:07:53 from (198.228.228.168):
In Reply to: welder question posted by Leroy on September 15, 2013 at 07:19:53:
You did not say what brand, the flux core wire feeder is. Look at the output label on the machine and see what type of voltage it outputs. If it is DC then that is good. If it is AC then not worth fooling with. Both MIG and Flux core are DC only processes. In short, there is not a mig wire or flux core wire made that is designed to work with AC. That said there are many unscrupulous manfactureres that offer AC output wire feeders and many fools buy them looking at the dirt cheap prices.
If you have DC output on that wire feeder like I am hoping you do then do verify that you have the polarity set correctly for the flux core and it should work fine on metal up to about 1/8" thick or so if a cheapo unit. Up to 3/16" thick metal can be handled if a better quality wire feeder. Much over that is fantasy land on even the best of quality 115 volt wire feeders. Mig or flux core is typically excels at thin metal welding on the units sized where an average homeowner can afford them. (FWIW I like Hobart Fab shield 21, aka E71T-11 for flux core wire welding. $19.99 for 2 lbs at any TSC and available in 0.030" or 0.035" diameters. Even though I have gas provision in my machine I typically use 0.030" Hobart E71T-11 flux core as I always weld outside which does not work well with MIG gas - wind blows shielding gas away).
Nothing wrong with an AC output stick welder like your Lincoln AC225 or even your little Spiegel. There are rods designed to work on AC output in stick machines. (6011, 6013, and especially 7014).
This post was edited by rankrank1 at 10:11:55 09/16/13.
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