Larry Jaques on Fri, 13 Jun 2014
07:04:13 -0700 typed in rec.crafts.metalworking the following:
On Thu, 12 Jun 2014 21:50:15 -0700, pyotr filipivich
wrote:

Larry Jaques on Thu, 12 Jun 2014
18:11:10 -0700 typed in rec.crafts.metalworking the following:
On Wed, 11 Jun 2014 21:09:07 -0700, pyotr filipivich
wrote:

Greetings and salutations

After a dozen years or so, my desk chair has become hazardous. I
didn't know you could crack an eighth inch steel plate, just by
sitting on it. But - I managed, somehow. This is the plate which
mounts the connector from the stand up to the chair bottom. Mostly it
got the left-right stresses as I shift around reach for stuff, but I
knew there was a problem when I leaned forward, and it "leaned" with
me.

So, JB Weld. Advertised as being "able to fix anything but a
broken heart", how it is for handling the sort of stresses of a
twisting plate?

And how does it handle stress fractures and failure?

I wouldn't trust it in that application.

Geeze, Pete. It's steel, WELD IT! Take a 12-pack over to any welding
shop at 4:45pm and the guys will fight to take the job.

Does the quality of the beer have any bearing on the quality of
the weld?

It absolutely does. Decent beer gets you a decent job. Rotgut gets
you thrown out.

I'll keep that in mind. (I also know that there is a difference
between "inexpensive" and "cheap".)

Crap, if this had happened last month, I'd have taken it to the
weld shop on campus and had one of the students get some practice.

(Did that years ago in tech school when the saw blade "skewed" and
I needed the kerf refilled - in Aluminum.)

You found out that schools aren't the best places for high-quality
work, didja, Pete?

Actually it was my saw blade, a thin slitting saw, which somehow
had gotten dull on one side. So the sharp side cut nicely, but the
other didn't - and it "skewed". I took it over to the guys in the
welding program shop, they filled in the kerf - rather nice job, too -
and I got a sharp blade for the second attempt. Had to mill off the
weld to flush with the face, but "I are Machinist!"


--
pyotr filipivich
"With Age comes Wisdom. Although more often, Age travels alone."