[Steam-engine] Pitted shaft & Babbitt bearings

Andre' Blanchard andre at usermail.com
Fri Apr 22 10:56:13 PDT 2005


Braze it up and file it down smooth, never have to deal with it again.
_________
Andre' B.

At 08:30 AM 4/22/2005, you wrote:
>I don't think that leaving them alone will work this
>time.  The shaft has corroded and area about 1"+ wide
>for the length of the bearing surface on both ends.
>I'm thinking that rain water entered the grease cups
>and sat on the shaft.  I should feel lucky that it
>didn't pit the shaft all of the way around.  I'm
>afraid that leaving a gap in the bearing surface like
>this will cause the shaft to cut the bearing.  Several
>folks on the SEL made the same suggestion though.
>There are a few options though.  Repair with JB and
>redo the JB it it burns (big 3" shaft will act as a
>heat sink and may prevent this).  Use a higher temp
>product.  Pour before pits are repaired, scrape
>bearing, then repair with epoxy.  Use a dummy shaft.
>I could weld repair the pits but I'm steering away
>from this idea.  As usual the folks at ATIS are giving
>me food for thought.  Thank you.





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