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25 thousanths off center


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14 replies to this topic

#1 coldone OFFLINE  

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Posted May 29, 2015 - 08:18 PM

Trying to make a stub shaft for my diesel conversion. It turns out I didnt indicate the hub as well as I thought I did and I am 25 thou off center in one direction. How bad is it going to be if I go ahead and make the stub shaft as is? HAve I screwed the pooch and need to start over?



#2 wilberj ONLINE  

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Posted May 29, 2015 - 08:31 PM

Ya I would start over...


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#3 pigsitter OFFLINE  

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Posted May 29, 2015 - 09:09 PM

I think I'd start over as well,sounds like a good way of picking up a vibration.


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#4 glgrumpy ONLINE  

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Posted May 29, 2015 - 10:13 PM

Don't fully understand, but don't Love Joy couplings kinda take alignment problems out of way?  A rubber flex connector taking up the diff? 



#5 ol' stonebreaker ONLINE  

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Posted May 29, 2015 - 10:22 PM

What's the RPM of the stub shaft?
Mike

#6 wilberj ONLINE  

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Posted May 29, 2015 - 10:47 PM

Don't fully understand, but don't Love Joy couplings kinda take alignment problems out of way?  A rubber flex connector taking up the diff? 

 

Holes are still centered and in line...  

 

 

What's the RPM of the stub shaft?
Mike

 

 

Don't mean anything when you off .025!



#7 karl OFFLINE  

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Posted May 30, 2015 - 04:32 AM

OWE! or Oops! take your pick! if you don't a haunting may happen latter in time!


Edited by karl, May 30, 2015 - 04:35 AM.

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#8 coldone OFFLINE  

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Posted May 30, 2015 - 05:51 AM

Thanks folks. Thats what I figured but was hoping for a different answer. I think I will get a real machinist to do the next one.



#9 MH81 ONLINE  

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Posted May 30, 2015 - 06:02 AM

The only way to use it is with a counter balance IMHO.

#10 JDBrian OFFLINE  

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Posted May 30, 2015 - 06:35 AM

That's a big offset! You would get some serious vibration from that and the rest of the drivetrain will wear because of it. Better to start over. I'd try to figure out how it happened. Did something move on your lathe or your indicator? 



#11 olcowhand ONLINE  

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Posted May 30, 2015 - 06:40 AM

Can you just turn it smaller then sleeve it, or possibly use a universal or coupling with smaller ID?



#12 skyrydr2 OFFLINE  

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Posted May 30, 2015 - 06:45 AM

I'm a real machinist, lets see what you did first, then we might have a better idea as to what happened and how to fix it easily, or condem it to become something else down the road :thumbs:


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#13 WNYTractorTinkerer OFFLINE  

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Posted May 30, 2015 - 08:01 AM

I hate when that happens..  It just might make a desk paperweight!!

 

Got one of these?



#14 coldone OFFLINE  

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Posted May 30, 2015 - 08:15 AM

 I'd try to figure out how it happened. Did something move on your lathe or your indicator? 

 

I think its an IOF problem. (Idiot Out Front) :D


Edited by coldone, May 30, 2015 - 08:15 AM.

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#15 coldone OFFLINE  

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Posted May 30, 2015 - 08:17 AM

I'm a real machinist, lets see what you did first, then we might have a better idea as to what happened and how to fix it easily, or condem it to become something else down the road :thumbs:

Thanks, I will get pics this afternoon. Getting ready to head out the door for a Harbor Freight run. Need a new engine for the tiller.


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