[SEL] Pouring Babbitt..revisited

[jbcast at charter.net]

>   Howdy all;
> Well I'm getting my first on hands experience pouring babbitt for the saw 
> arbor bearings on the sawrig.
> 
>   Should I leave the ends partially open so the trapped air can escape or 
> just dam them air tight?  After a couple pours the babbitt in places doesn't 
> want to make it all the way to the dams.
> 
> 
>   Should I heat the shaft also?  I'm heating the babbitt until it chars a 
> stick.  The casting until I'm sure all the moisture is out.
> 
> Appreciate any advise and thanks for the threads over the years!!!
> 
You have to have an in for the babbit and an out for the air. Try to heat the shaft as well as the casting. Form a resrvoir on the pouring side to give it a head little pressure, pour it fast.
J.B. Castagnos
Belle Rose, LA