"Buerste" wrote in message
...
|
| "Wes" wrote in message
| ...
| I have a machine at work, I do not have to fix it in the next couple days
| but I'd like to
| fix it before they decide to scrap it since the production job is
| currently running on a
| tool room lathe I'd rather not have production near since I use the
thing.
|
| Anyway, if I fix it cheap, it stays, production goes back to using it
and
| I'm happy. There
| is a shaft that got loose, wallered out the woodruff key seat and
wallered
| out the pulley.
| The first thought is welding and turning it down.
|
| I can't spray weld we are not equipped so that is off the table. The
| metal adder
| available is a wire feed welder.
|
| The area needing rebuilding is located between two threaded sections.
| That makes welding
| a bit tricky.
|
| Nevermind, welding isn't looking so great, I'm not that good.
|
| Okay, is 1144 a good steel for making an input shaft for a lathe? It
| isn't highly
| stressed.
|
| But since I posed the question, how would you build up a shaft where you
| had to protect
| the threaded sections and build up a damaged key seat. Might as well
| learn something. You
| only have a wirefeed welder to work with, no spray welder.
|
| Wes
| --
| "Additionally as a security officer, I carry a gun to protect
| government officials but my life isn't worth protecting at home
| in their eyes." Dick Anthony Heller
|
| I've had to do similar many times. I have welded shafts with the MIG
while
| slowly turning in the lathe. Rather than running beads, I do a series of
| "Baps" and cool the shaft with a wet rag frequently. If you grease the
| threads, spatter won't stick as well.
|

Just wrap the threaded parts with fiberglass tapes or some other appropriate
protective barriers to weld sparks and spatters.