Re: [CAD_CAM_EDM_DRO] SQUARE WAVE TIG

You'd have a LOT of respect for my brother then Joe. He's really good at
welding aluminum with oxy/gas. He told me an easy way to know when the
temperature is "just right" for welding, but as I've never tried it and hae
since forgtten exactly what it was, I won't even try explaining it. But I
will try finding out if your interested.

Smoke


-----Original Message-----
From: Joe Vicars <jvicars@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Monday, December 04, 2000 6:45 AM
Subject: [CAD_CAM_EDM_DRO] SQUARE WAVE TIG

> I don't do much emailing on the weekends so I hope this thread
>hasn't died out.
> Mariano, admittedly I have never been to Australia, but I am sure
>that they sell one of these TIG machines there. Miller and Hobart,
>"Econotig"... Lincoln, "Square Wave 175"
> I have a Lincoln Square Wave 175 and it is the best all purpose
>welder ever made that is AFFORDABLE for the home. It uses an auto
>balanced square wave and has automatic high frequency start/shutoff. It
>welds aluminum beautifully and also is a whopper of a stick welder (AC,
>+DC, -DC). 175 amps is more than enough for any home job. The TIG
>torch is pretty generic air cooled variety, but if you need a water
>cooled torch that's really more in the pro range anyway. It comes with
>everything except a bottle of Argon (100-150 bucks extra)
> I will tell you what it won't do. You don't have control over the
>waveform. Industrial TIG's you can adjust all aspects of the square
>wave. BUT, only VERY experienced aluminum welders can take advantage of
>this anyway.
> It also does not have Pulse. This is the only real drawback. Pulse
>is neccessary for very light work (i.e. heat exchangers, etc) I have
>welded .035 and that is about the lower limit of the machine.
> If you really want to do aluminum, it's the only economical way to
>go. Unless you want to use Oxy/Fuel. And if you're that good then you
>have my eternal respect. If you never do aluminum then don't buy an AC
>TIG. Get MIG or DC TIG and save some money.
> Good luck.
> P.S. Aluminum welding takes alot of practice. If you've never done
>it. It took me about 3 months to get acceptable results.
>
>
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