[TheForge] last project

Wed Jun 4 21:17:01 2003

Just curious but you actually spend the time to EP the welds, I just take a
small stainless wire brush and brush them hot as soon as I am done welding,
takes the color right off. I have an electropolish tank, my friend owns a
buisness and he mixes up his favorite concoction of acid and sends it down
to me and says add X amount of water, his process is supposedly so secret we
only get MSDS sheets I have no idea what is in it, but its BAD LOL.  He does
hold a patent, and I do know his stuff works better than any other I have
tried, plus I don't have to deal with the garbage I simply take it to him
end of story he runs it through the reclaimer and that's it.

----- Original Message -----
From: "RIES NIEMI" <[email protected]>
To: <[email protected]>
Sent: Wednesday, June 04, 2003 11:17 AM
Subject: Re: [TheForge] last project

> Bob- those knots are really cool.
> Was that your sculpture, or were you fabricating it for someone else?
>
> they look sandblasted-is that what you did?
>
> Lately I have been forging a bunch of stainless, and we have it
> electropolished. That makes it shinier than your knots look, though.
> My electropolisher has a 4'x4'x8' tank, so most stuff goes right in, but
we
> are getting ready to install 550 feet of fence, and we will need to tig
weld
> some of the connections, so I got a mini portable electropolisher. I
bought
> mine, because I needed it now, and the job paid for it, but I am sure you
> could make your own. The cheapies use battery chargers, but mine is 40
volts
> instead of just 12v- it means you can use a milder acid, with less
possible
> damage to yourself and surroundings. Just a low voltage dc power supply, a
> ground clamp, and a wand made from a piece of 1/2" copper tube. You wrap
the
> wand in fiberglass cloth, dip that in mild acid- I just buy it from this
> place in LA called screenpro, so I dont know exactly what kind of acid,
but
> its pretty dilute. The fiberglass cloth wears out every few minutes- it
> actually burns up. So you keep replacing it. But we have taken fresh
forged
> stainless bars, which are almost black after they cool, and 10 seconds or
so
> of rubbing, and they are shiny again.
>
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