[Steam-engine] Pitted shaft & Babbitt bearings

[Andre' Blanchard]

There is this stuff, I have never used it but it looks interesting.
http://www.aremco.com/a3.html
One place you can get some.
http://www.caswellplating.com/aids/pyro.htm
______________
Andre' B.  Clear Lake, Wi.


At 07:23 AM 4/20/2005, you wrote:
>The bearings to be poured are split bearings.  You say
>to repair the shaft first.  I intend JB to be the
>repair.  The pitting is on the counter shaft that runs
>under the boiler to drive the the wheels.  This shaft
>is slow turning and the filler will only see
>compression loading.  I got the idea after reading
>about stationary engine guys using JB to repair
>pitting and scratches in cylinders.  I just need to
>make the surface smooth again.  JB weld advertises
>that their product will work up to 600°.  The babbitt
>will be hotter than that but only for a few moments.
>I have heard of the newspaper method instead of
>smoking the shaft with a torch.  Are you saying that
>the paper might give a little protection from the
>heat?
>I have been checking around for product that will
>stand high heat and JB is the best I've found so far.
>Do you have other suggestions?
>
>--- James Hansen <jhsg at sasktel.net> wrote:
> > the JB weld wouldn't hold up Andy, but like was
> > mentioned, a wrap of thinner
> > paper (newspaper) saturated with cylinder oil or
> > tallow should do the trick.
> > The lard or oil holds the paper in place too.  There
> > are products that can
> > stand the heat and would fill the holes nicely, but
> > simpler and cheaper is
> > best...  Why not repair the shaft, then pour the
> > bearing?
> > -james
> >
> > -----Original Message-----
>
>
>Andy Glines
>Evansville, IN
>
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