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Cracked tailstock casting

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Forum topic by D_Allen posted 04-22-2012 11:53 PM 988 views 0 times favorited 3 replies Add to Favorites Watch
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D_Allen

495 posts in 2245 days


04-22-2012 11:53 PM

I noticed yesterday that there was a 2” crack on one corner of the tailstock on my HF lathe.
It looks as though the entire corner has weakened as I can see what looks like a separation of the casting along the entire corner on the inside.
Does anyone know if this can be fixed? And if so, how?
I am also wondering if I should just continue to use it and see if it gets any worse. It does not seem to prevent the lockdown function but I’m thinking that eventually it will break off. I’d hate to think of what a new casting would cost and then it may not align properly anyway.

-- Website is finally up and running....www.woodandwrite.com


3 replies so far

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Loren

8295 posts in 3108 days


#1 posted 04-23-2012 12:07 AM

Take it to a welder and have it brazed. A welding instructor
at a local college might do it for you just to demonstrate to
students the method.

Another thing you might do if you want to avoid the legwork
is get some J-B Weld, a 2-part epoxy available at auto parts and
hardware stores. They claim it fixes cast iron. I’ve used it
on other things and it is very good for what it is.

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twiceisnice

95 posts in 2287 days


#2 posted 04-23-2012 12:14 AM

yES IT CAN BE FIXED. Grind out crack. preheat the cast iron. Braze it or tig weld it with 308 stainless or inconel or use cast iron stick rod . Wrap with insulation to let cool down. Or like you said ,leave it alone. Go to your local weld shop.

Thats a good idea Loren had about taking it to your local college.

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D_Allen

495 posts in 2245 days


#3 posted 04-26-2012 12:55 AM

Thanks all for the comments and help.
I ordered a new casting from HF anyway. They had one left and with shipping and tax it came to about $25.
I’d have guessed it would be 3 times that money.
I’ll see how this one holds up and have the other for a spare.

-- Website is finally up and running....www.woodandwrite.com

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