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Posted by tabriz on December 13, 2007, 12:26 pm
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Hi,
I'm new here and hope you can give me some advice. I would like to weld
armatures together from rebar and/or steel rod for concrete sculptures. The
welds don't have to be pretty because they will be covered.
Also, a few years ago I bought a very nice Hobart Mig welder, which I never
learned to use. The wire feeder kept having problems. I got frustrated and
sold it. Because of this I would like to try stick welding, thinking it will
be simpler, less moving parts, and maybe I'll have more sucess. I also don't
want to hassle with gas.
Can you recommend a machine for me that will weld light rods? The largest
sculpture will likely be 5 feet tall.
Thanks
Lee
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Posted by jp2express on December 13, 2007, 12:33 pm
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MIG welding is the easiest technique available. Almost anyone can make a
decent weld with a MIG unit.
Arc welding, on the other hand, takes a little more time to master. I used
to work in a shop where some of the welders never were able to get an arc
machine to weld for them.
Sounds like you needed to spend a little more time with your MIG unit. Maybe
even operate it in flux core mode if you were welding outside.
Hope you understand, and I hope this helps.
"tabriz" wrote...
> Hi,
> I'm new here and hope you can give me some advice. I would like to weld
> armatures together from rebar and/or steel rod for concrete sculptures.
> The
> welds don't have to be pretty because they will be covered.
> Also, a few years ago I bought a very nice Hobart Mig welder, which I
> never
> learned to use. The wire feeder kept having problems. I got frustrated
> and
> sold it. Because of this I would like to try stick welding, thinking it
> will
> be simpler, less moving parts, and maybe I'll have more sucess. I also
> don't
> want to hassle with gas.
> Can you recommend a machine for me that will weld light rods? The
> largest
> sculpture will likely be 5 feet tall.
>
> Thanks
> Lee
>
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Posted by RoyJ on December 13, 2007, 1:13 pm
Please log in for more thread options a 120 volt Mig welder with flux core wire would be my first choice. Pull
the trigger, weld away. It will handle 3/8" rebar nicely, 1/2" rebar
will take a bit more heat. I wouldn't use a 120 volt unit for 5/8" and
up. Price is in the $200 to $350 range depending on what you buy. Miller
or Lincoln are always a good choice. Beware of the really cheap imports,
no parts, no service, and horrible duty cycle.
An AC buzzbox welder (Lincoln 'tombstone' and Miller thunderbolt) will
do a nice job on your application, it's just a bit longer on the
learning cycle. Getting the hang of arc strikes may take an hour or two,
other than that it is the same weld as the flux core mig. The downside
of these is that you really want the 240 volt units. The 120 volt units
work for what you want to do but they are miserable to start an arc,
have low amperage, and minimal duty cycle. But the 240 units want a 50
amp 240 volt plug. Non trivial with today's copper prices.
You can usually find the 240 volt units on craigslist and other bulletin
boards for reasonable prices. I bought a 225 amp 240 volt Craftsman for
$50, I see several Lincoln's a week for $75 to $200
tabriz wrote:
> Hi,
> I'm new here and hope you can give me some advice. I would like to weld
> armatures together from rebar and/or steel rod for concrete sculptures. The
> welds don't have to be pretty because they will be covered.
> Also, a few years ago I bought a very nice Hobart Mig welder, which I never
> learned to use. The wire feeder kept having problems. I got frustrated and
> sold it. Because of this I would like to try stick welding, thinking it will
> be simpler, less moving parts, and maybe I'll have more sucess. I also don't
> want to hassle with gas.
> Can you recommend a machine for me that will weld light rods? The largest
> sculpture will likely be 5 feet tall.
>
> Thanks
> Lee
>
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Posted by Ignoramus5215 on December 13, 2007, 1:37 pm
Please log in for more thread options For welding rebars, I personally think stick is more versatile.
i
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Posted by brian458666 on December 14, 2007, 5:01 pm
Please log in for more thread options > Ignoramus5215 wrote:
> > For welding rebars, I personally think stick is more versatile.
>
> > i
>
> Why not just tie the rebar? Use 14 gauge steel wire, loop it around and
> twist it tightly with pliers, then nip off and bend over the twist so it
> doesn't rip your skin. That's how most rebar is connected in this world ..
> and if you insist on welding it, for goodness sake buy weldable rebar.
>
> GWE
>
> --
> Posted via a free Usenet account fromhttp://www.teranews.com
This reminds me of a problem from the early days of the space
race, when the US and the Russians were looking at the way to have a
writing utensil for zero G. The US spent about $1 million to create a
new ballpoint pen, and the Russians just grabbed some pencils off the
shelf.....
Brian
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> I'm new here and hope you can give me some advice. I would like to weld
> armatures together from rebar and/or steel rod for concrete sculptures.
> The
> welds don't have to be pretty because they will be covered.
> Also, a few years ago I bought a very nice Hobart Mig welder, which I
> never
> learned to use. The wire feeder kept having problems. I got frustrated
> and
> sold it. Because of this I would like to try stick welding, thinking it
> will
> be simpler, less moving parts, and maybe I'll have more sucess. I also
> don't
> want to hassle with gas.
> Can you recommend a machine for me that will weld light rods? The
> largest
> sculpture will likely be 5 feet tall.
>
> Thanks
> Lee
>