Re: [DMCForum] GTAW and "Heli-arc"
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [DMCForum] GTAW and "Heli-arc"





checksix3 wrote:

>Hold on there Sparky. As an experienced GTAW weldor with a $4K
>squarewave inverter in my garage I need to correct you on this.
>Heliarc *is* GTAW. TIG is just the common shop name. Heliarc is
>exactly the same as tig and GTAW. It's simply the original name for
>the process. It's a trade name of Linde Corp, who bought the process
>from the two guys who invented GTAW, and they still use it. As you
>said, Argon is now used as sheilding gas for most work. However,
>Helium (or an He and Ar mix) is still very much used for welding
>thicker materials when better penetration or tighter arc control is
>desired.
>

>
What kind of inverter do you have?  I just got a Miller Dynasty DX, the
price was good and I really like the auto voltage selection since I will
be using it a various locations.  As for the names I was always told the
heli-arc used carbon electrodes, but I guess it could be a regional
naming thing.

>And yes, you can weld Cu. It normally requires preheat as it sucks
>the arc heat away from the weld area. Most metals, dissimiliar or
>not, can be Tigged. (There are a few exceptions however.) Very thin
>stuff too, I often weld pepsi cans together just to stay sharp.
>

>
I was very impressed when I watched a guy weld 2 full soda cans
together.  I thought the liquid would draw too much heat away.


Andrei



Yahoo! Groups Links



Home Back to the Home of PROJECT VIXEN


Copyright 2006 ProjectVixen.com.  All rights reserved.

Opinions expressed in posts reflect the views of their respective authors.
DMCForum Mailing List Archive  DMCNews Mailing List Archive  DMC-UK Mailing List Archive