Large Rotary Table Refurbish

[itsme_Bernie]

Thanks for the thumbs up. I don't know the weight exactly but its far more than I can lift. Its one of those things you would swear is glued to the floor when you grab hold of it. I was at an auction some years back. A LARGE tool shop went out and they sold everything off. It was a give away really. I got this table and another larger one for 20 dollars. My poor truck was loaded down coming home.

So I have added some pics here to show the project so far. Let me say up front I am sorry for the pic quality. I was using my cell phone and got some blurry pics.

#1 This is pretty much how it has looked for several years laying about my shop. I you look to the right behind the dial you will see a broken casting piece. I have the piece that broke off. I broke it one day when I was moving it and it bumped against another heavier rotary table. I guess something has to give. It really burns when its your own fault. LOL. I have repaired the break and will make another post of it if anyone is interested.

I got my shaper home and cracked half the belt housing off all on my own! It happens.

#8 Bottom of top casting with paint on. I always paint all surfaces that aren't normally seen bright red. I have been asked why several times. I guess there is no practical purpose. Its a signature move I suppose.

I think that's a great method. I think it would help if you were ever troubleshooting a machine and wanted to know what you were looking into- you ok'd then know where you are looking! It would be red!


Bernie

 

[Maxx]

#8 Bottom of top casting with paint on. I always paint all surfaces that aren't normally seen bright red. I have been asked why several times. I guess there is no practical purpose. Its a signature move I suppose.

I do the same also but the color may not be red.
This is where I stopped about 6 months ago and haven't painted the inside yet.

 

[Glmphoto]

Maxx Thats gonna be really nice table.... hope to see more of it as it get done. Thanks

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Bernie.... Its a horrible feeling when you break a casting. Especially if its a break that you know you cant fix. I was lucky on this one and was able to jig it and braze it. Thanks for the comment...

 

[Maxx]

Glmphoto, does yours have any bushing like the brass/bronze one mine has?
Yours looks like cast on cast.
BTW, mine is adjustable.
Mine also has/had 30+ years of crud on it from the professional machine shop I got it from.

 

[Glmphoto]

This is the fix for the casting I broke. If anyone has suggestions for better methods I am all ears.

1 This is the broken part. It was a clean break so its different than a crack. A crack suggests the pieces haven't lost there relationship to one another. A break is another ball game. This is the lever that brings the worm into mesh with the wheel gear.

2 This is the jig I made to hold the parts during brazing. Turned a slip fit for the large bore on a piece of scrap. Held the 2 parts together at the fracture line, Measured, scratched head, eyeballed, measured again, then cross drilled for a stake and made a clamp bolt hole. Gotta be able to get the part off the jig after Brazing right? LOL
Turned a small shoulder on the stake and threaded the end.

3 Now the small piece is captive on the stake. The large piece is captive on the body and they can be moved about to get alignment then locked in place.

4 Alignment looks good to me.

5 The crack is ground away and it becomes apparent why the jig is needed.

6 Parts brazed. I did loosen the clamp bolt completely on the large bore because I was afraid if the jig expanded from heat it might crack the cast.

7 and 8 After a little blending I think some paint will hide my sins.

Thanks guys

 

[Maxx]

Interesting fix.
One thing I would have done different would have been to drill to install 2 pins first but from the looks you still could do it if strength might be an issue.

 

[Glmphoto]

Glmphoto, does yours have any bushing like the brass/bronze one mine has?
Yours looks like cast on cast.
BTW, mine is adjustable.
Mine also has/had 30+ years of crud on it from the professional machine shop I got it from.

Sorry I didnt see this question earlier...... Yes Mine is cast on cast. A very nice fit as well.

Yours???

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Maxx....Also I like the way your table can be set up on edge like a dividing head. Very nice

 

[Maxx]

Sorry I didnt see this question earlier...... Yes Mine is cast on cast. A very nice fit as well.

Yours???

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Maxx....Also I like the way your table can be set up on edge like a dividing head. Very nice

If you look just above the edge of the ruler you can see mine has an adjustable bushing/bearing.

I'm getting closer to being done with harvest here so I may actually find some time to get back on mine soon.
It's taking up too much of my work space as it is being in pieces. :lmao:

 

[xalky]

I just bought a huge rotary table too. See my thread starter here: http://www.hobby-machinist.com/show...ht-this-huge-rotary-table-but-it-needs-fixin!

It's a beast.

I'm gonna follow your lead and watch you very closely as to how your going about restoring your beast.

What are you gonna do with yours when your done restoring it?

Marcel

 

[Glmphoto]

If you look just above the edge of the ruler you can see mine has an adjustable bushing/bearing.

I'm getting closer to being done with harvest here so I may actually find some time to get back on mine soon.
It's taking up too much of my work space as it is being in pieces. :lmao:

I see the bushing. Very nice. I am not familiar with an adjustable bushing. by what means does it adjust?