[TheForge] MIG Welding question
Larry and Pat Brown
[email protected]
Mon Jul 22 05:38:01 2002
Clean the tubing well where you start the weld and where you put the ground
clamp, you will not need as much heat to start the weld. Make some test
pieces and try to weld vertical down
L Brown
At 10:42 PM 7/21/2002 -0700, you wrote:
>Not quite a blacksmithing project, but if I do a good job here my new wife
>is more likely to let me set up a full shop. :-)
>I'm fabricating a large trellis for a climbing vine, the plan calls for a
>frame of 3/4" square tubing lined every 4 inches by a 3/8" ring of wire
>(about clothes-hanger wire thickness). Eventually a mesh will be wroven
>across the trellis through these rings to form the actual climbing
>surface.The only welder I have access to is a Lincon MIGPack 100.
>Bad ascii art:
> o o o o Rings
> ================================= Tubing
>The problem is while I've taken classes on oxy-acetylene and stick
>welding, I'm a newbi with MIG, and I'm destroying about every 5th ring by
>burning a big part of it away. So far I've played with the wire feed
>speed and the amperage (currently amperage "C" and feed speed of 3 for
>those who know this welder) but I'm still having problems with the
>relationship between these two. A second issue is how best to lay the
>bead. I'm working on a spot-like weld, starting the bead a little bit away
>from the ring and then moving the puddle against the ring and hopefully
>fusing everything together before the ring melts.
>
>On the plus side I was able to justify getting a Dewalt Angle grinder to
>grind off the bumps.
>
>Anyway, any advice other than "It can't be done like that, what were you
>thinking?" would be greatly appreciated.
>Thanks!
> Jeremy
>
>--
>Jeremy Seip
>[email protected]
>http://www.home.earthlink.net/~jseip
>
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