On Sun, Jul 01, 2012 at 11:28:38AM -0400, Norm wrote:
>
> Sorry Ben. I just discovered I attributed your text of wisdom to Steve...
>
> I get so much of that from the List I get confused sometimes....
No worries - it's all good. Long as the info gets out there. :)
Actually, I remember where I got that particular bit of info - and even
more importantly, how it changed my thinking. Back in my car-racing
days, I had snapped off a hardened stud in a freshly-blueprinted Chevy
engine block, and was frantically picking over the possibilities for
getting it out: Nope, No Way, and YOU LOSE, SUCKER!!! After a few days
of this, I dragged it over to a machine shop, hoping against hope that
they might have some magic tool that I'd never heard of, and that they
wouldn't charge me more than a couple of hundred bucks... and the guy
acted like it was nothing at all. Flipped on the buzz box, dropped a nut
on top of the hole (the stud had actually snapped below the surface),
and welded it right to the stub. A couple of quick turns with the
wrench, and out it came.
When it comes to wrenching on mechanical bits, we tend to think in terms
of subtractive action: cut, file, drill, grind. The additive stuff
beyond "screw this to that" - roll-pinning, shaft keys, Heli-Coils,
friction-fitting, welding - doesn't normally come to mind, for most
folks. My take-home from this episode was, "don't forget about the
additive stuff." *Lots* of good solutions in that direction.
Ben
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