[Syrupmakers] Cane mill bearings

[DBACrownhoney at aol.com]

The zinc separates from ferrous metal (steel and cast  iron) pretty good. 
But, I can't remove the ones I poured directly  into the cup just because it's a 
pretty good fit. The steel spray paint can  just peeled right out of the 
inside. I'll just use the bearing 'till it  wears out then grind out what's left 
and pour it again. 
 
JT 
 
 
 
 
In a message dated 2/18/2008 9:52:16 A.M. Central Standard Time,  
Reit8472 at SW.RR.COM writes:

 
Nice  job JT!! Having not cast anything other than teeth before, I have a 
question.  In my field you must use a serparating medium between everything you 
wish to  come apart in pieces. When you cast the one direct into the cup, was 
any type  of separator used between the old and new metal or does it naturally 
separate  when it cools? 
Ken 
 
 
From:  syrupmakers-bounces at syrupmakers.net  
[mailto:syrupmakers-bounces at syrupmakers.net] On Behalf Of  DBACrownhoney at aol.com
Sent: Saturday, February 16, 2008 11:42  PM
To: syrupmakers at syrupmakers.net
Subject: [Syrupmakers]  Cane mill bearings

 
Hey  ya'll sorry it took so long but here are some pics of the zinc/aluminum  
bearings I've been talking about. These are for a Chattanooga 13. The 2 piece 
 bearing was cast in sand. The other one I poured directly into  the cup  and 
used a piece of spray paint can to form the socket for the shaft to fit  
into. I also left about 1/4" of the bearing material on the bottom of the cups  so 
the shaft wasn't rubbing right on the cast iron. I don't   think I'll ever 
have to replace them. 
 
Now I  have a question. I think in the past someone took this mill apart and 
when  they  took the top off they let the large roller fall over and  cracked 
the rim around the hole. I welded on the cracks  directly behind  the shaft 
were the most pressure will be. I know it's a poor excuse for a  welding job but 
welding the cast iron is a lot different than steel. It's hard  to hold an 
arc. Anyway, just wondering what ya'll think  about  it. The cracks don't go 
into the main plate just that rim. Think it'll  hold up?
 

 
Here's  the link to the pictures: 
 
_http://s258.photobucket.com/albums/hh267/Crownhoney/_ 
(http://s258.photobucket.com/albums/hh267/Crownhoney/) 
 

 

 
JT



  
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