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Weld buildup, turning, 4 jaw centering, steady restin' a 2.5" diameter 14'........

May 6 2012 at 8:35 PM

Ed Canoles  (Login nced1)
YF

marine shaft and babbit bearing repair using lathe, milling & boring machines, etc.
How about THIS "garage" workshop??
http://youtube.com/watch?v=EtbP-h_-1hI&feature=related
http://www.youtube.com/watch?v=Je5vRrVUuEk&feature=relmfu
http://www.youtube.com/watch?v=1ZHMogAJK-c&feature=endscreen&NR=1

I'm just imagining a lathe with a spindle bore that will accommodate a 2 1/2" shaft! As a "seat of the pants" chip/scrap maker I was a bit awed by all the processes this guy mastered doing the repair and perhaps others here will appreciate the vids and PERHAPS even apply some of the techniques to theit airgun metal work.




    
This message has been edited by nced1 on May 6, 2012 8:39 PM


 
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(Login jpsaxnc)
YFOT

Thanks, It's interesting that he machined off all of the three additional

May 6 2012, 11:59 PM 

welds that were used to straighten the shaft and the shaft stayed straight.

 
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Dave
(Login AKSevenDave)
YF

That guy kicks-a. Friggin proooooo. nt

May 7 2012, 3:41 AM 


 
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(Login daved20319)
YFOT

Definitely need to add a welder....

May 7 2012, 12:44 PM 

Of some kind to my shop. Recently took a very basic welding class, mostly just a hands on overview of the different types of equipment. I was hoping it would help me zero in on what would be best for my intended uses, instead, I now need to figure out how to afford an OA torch kit, a stick welder, AND a wire feed! Fortunately (?), I didn't like TIG happy.gif. Great vids, BTW, and thanks for the links. Later.

Dave


 
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Ed Canoles
(Login nced1)
YF

I guess that what amazed me was the machinery and..........

May 7 2012, 2:48 PM 

work that was done from what LOOKS like a big garage! LOL.....horizontal AND vertical milling, monster lathes that required a chain fall to lift the 4 jaw chuck in place, babbit melting pots and furnace, welders, bla, bla bla!

I also liked the way the vid showed the steps and actually HOW the shaft restoration was done. Seems that I might even be able to use some of his set-up procedures for my "scrap making"! I was especially interested in his method of setting up stock in his independent 4 jaw chuck. I never use mine because it seemed too figgity to center the stock, yet he seemed to be able to center to a thou in just a couple minutes.......there must be a "system" to set up that one!


 
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(Login bigbore)
YFOT

But the guy didn't have a sand blaster...

May 7 2012, 9:23 PM 

it's ALWAYS something!

[linked image]

 
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(Login daved20319)
YFOT

Check this out, Ed...

May 8 2012, 1:43 AM 

The one time I've used my 4 jaw to date was with rectangular stock, so this was no help, but it takes the mystery out of using one with round stock:http://www.littlemachineshop.com/Reference/Centering4-JawChuck.pdf I'm sure it's like most things, enough practice and it looks easy, and I'm betting he's had LOTS of practice happy.gif. Later.

Dave

 
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Ed Canoles
(Login nced1)
YF

Thanks, I saved a copy to my desk top and also printed it. nt

May 8 2012, 6:29 AM 


 
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