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Splined Shaft Coupler


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#16 coldone OFFLINE  



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Posted June 04, 2014 - 04:47 PM

Acetone and dry ice will get it down to -70C

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#17 olcowhand ONLINE  


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Posted June 04, 2014 - 04:52 PM

Will a household freezer be enough or are we speaking liquid Nitrogen



Acetone and dry ice will get it down to -70C



Brett's method would do fine.  But don't drop it at that cold a temp...it could break!  And have some very good insulated gloves on!!!!

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#18 skyrydr2 OFFLINE  



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Posted June 05, 2014 - 03:04 AM

I have left it with the welders at work to see what taccurate do to repair the crack.
For the sealing surface I plan to have a sleeve turned and press it on. the original seal was 30mm ID but I can get one that is 31mm ID and it will still fit into the housing.
the bigger seal combined with turning a bit of the OD of the coupler should allow a sleeve with a thick enough wall to prevent it splitting when pressed on. I Hope :D
Keith if you do internal splines in carbide do you spark them out?

Wire edm. And it does it with ease and can give you a √32 finish and it can do it with a .002 inch wire. Very acurate too.
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#19 Gav694 OFFLINE  

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Posted June 05, 2014 - 03:55 PM

OK so I now have it welded, excuse the poor photo


And I found these repair sleeves on the internet



So A pal of mine is going to turn the OD to 29.41mm from 30mm and I will install the sleeve with Loctite and see how it looks


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