TIG welding rod size (steel)

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Subject Author Date
TIG welding rod size (steel) Ignoramus26857 10-27-2008
Posted by erngineman on November 10, 2008, 3:59 pm
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I vote for good old coathangers.
Engineman

> Ernie Leimkuhler wrote:
> >> Once saw a guy at AWS convention welding edge of razor blades at 8 amp=
s
> >> with 3/64" filler and vision system... SICK.
>
> >> Matt
>
> > Why did he need a vision system?
> > Razor Blades and pop cans are standard "stupid welder tricks" for TIG.
>
> Hi Ernie
>
> So people would buy them, of course, I took the brochure....
>
> As I remember, there were some boiler welding guys next to me that
> thought it was neat (wouldn't need the extra man to hold a mirror).
>
> Matt


Posted by Watson on November 11, 2008, 12:15 am
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|
| Why did he need a vision system?
| Razor Blades and pop cans are standard "stupid welder tricks" for TIG.

Why do you consider welding pop cans a standard TIG trick?




Posted by Ernie Leimkuhler on November 11, 2008, 2:05 am
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>
> |
> | Why did he need a vision system?
> | Razor Blades and pop cans are standard "stupid welder tricks" for TIG.
>
> Why do you consider welding pop cans a standard TIG trick?
>
>
>

Because every TIG pro has usually figured out the tricks to it to make
it look easy.

Yet it serves little purpose but to impress people who don't know much
about TIG.

Mind you the aluminum pop can makers have been making this trick harder
and harder over the last 20 years with thinner and thinner pop cans.

Still any seasoned TIG pro should be able to run a bead down the side
of a pop can without blowing holes through it.

Turn the high freq down as low as possible, use an extreme "cleaning"
wave balance, a 0.040" pure tungsten, and 0.024" 4043 filler, and a pop
can with all ink removed from the side.
Be aggressive with the filler to control the heat and proceed.
Just takes practice.

Welding razor blades is even easier.
Just set them up so the edges are leaning into each other in an outside
corner configuration.
Then just run a very low amperage arc down the edge and fuse them
together.

Posted by matthew maguire on November 17, 2008, 8:31 am
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Ernie Leimkuhler wrote:
>
>(snip)
>
> Welding razor blades is even easier.
> Just set them up so the edges are leaning into each other in an outside
> corner configuration.
> Then just run a very low amperage arc down the edge and fuse them
> together.

Hi Ernie,

Most the kids from the CC that show up at the neighbors "real welding"
business that "try the can stuff", weld the ends together... (that's
better than nothing, I've never had the urge to try).

The guy welding with the vision system was building up the edge of the
razor blade, and on the remote monitor the edge looked like heavy plate,
what I thought was neat at the time was how close an arc he was holding,
(gap maybe .010" or less, just a guess). You could see the filler
migrating off towards the arc like the edge of a candle over a flame.
And keeping the auto stabilization off at that low setting is pretty neat...

Merrick microplasma had a system then that could weld (keyhole) that
thin stuff without filler (they would demo with .015 316SS coupons).

Used to love to go to those shows....

Matt

Posted by Ernie Leimkuhler on November 17, 2008, 11:47 pm
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> Ernie Leimkuhler wrote:
> >
> >(snip)
> >
> > Welding razor blades is even easier.
> > Just set them up so the edges are leaning into each other in an outside
> > corner configuration.
> > Then just run a very low amperage arc down the edge and fuse them
> > together.
>
> Hi Ernie,
>
> Most the kids from the CC that show up at the neighbors "real welding"
> business that "try the can stuff", weld the ends together... (that's
> better than nothing, I've never had the urge to try).
>
> The guy welding with the vision system was building up the edge of the
> razor blade, and on the remote monitor the edge looked like heavy plate,
> what I thought was neat at the time was how close an arc he was holding,
> (gap maybe .010" or less, just a guess). You could see the filler
> migrating off towards the arc like the edge of a candle over a flame.
> And keeping the auto stabilization off at that low setting is pretty neat...
>
> Merrick microplasma had a system then that could weld (keyhole) that
> thin stuff without filler (they would demo with .015 316SS coupons).
>
> Used to love to go to those shows....
>
> Matt

Someday I will get to a Fabtech show...someday.

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