[TheForge] Warped!

[Woolley]

Greetings,

As a weldor who must join alot of this kind of stuff, I think this is sound
advise.

Regards,
Bill Woolley


----- Original Message -----
From: "John Husvar" <jhusvar at sbcglobal.net>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Friday, February 18, 2005 9:05 AM
Subject: Re: [TheForge] Warped!


>
> On Friday, February 18, 2005, at 08:12 AM, Fiorini & Skiles wrote:
>
> > When creating a rectangular frame from strap steel, is there any way to
> > prevent warping?  Is there any magic way to fix it, other than beating
> > the
> > heck out of it?
>
> What works for me is: mitered corners, clamp the living "H" out of it
> to a flat welding table, (or reasonable facsimile thereof) tack the
> inner and outer corner points and let cool to help hold square, weld in
> short stitches, let cool thoroughly before unclamping to turn, reclamp,
> and repeat process on the other side.
>
> Lots of fiddling around, but should help keep the thing flat.
>
> Few things about welding:
>
> 1) You can never have or use too many clamps unless you can't get the
> torch, gun or stick between them to weld. :)
>
> 2) Welding in short stitches is best for flat stock.
>
> 3) Let things cool off before unclamping anything.
>
> 4) See 1) :)
>
> Once it's warped, you can try heating and beating the high spots, but
> you're as likely to make it worse as better. :(
>
> Sometimes, you can support the ends/corners, and clamp or weight the
> warped sides to try to straighten things.
>
> Ask on newsgroup sci.engr.joining.welding as well. The folks there are
> far more expert than I'm ever likely to be.
>
> HTH
> Johan
>
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