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George Adams 2 1/2 questions

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James Jenkins 105/08/2023 19:03:11
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162 forum posts
7 photos

Is the round base not an added piece of granite or alike with a hole in it? I assume put there to protect it? Otherwise the cast piece looks the same form as the other tailstocks.

James

duncan webster05/08/2023 19:19:12
5307 forum posts
83 photos

What's the underside of the tailstock like? If its in a similar sorry state you could machine it back and screw on a (say) 3mm plate. Turkite might work, a ptfe based polymer, comes in sheet form and you glue it on. 

Edited By duncan webster on 05/08/2023 19:24:55

Simon Rundsvoll05/08/2023 19:48:47
12 forum posts
12 photos

The underside of the tailstock looks alright. It is not in the same state as the bed.

and yes, James is right, the 2nd tailstock I just placed on a piece of granite. It is not a part of the actual tailstock

Howard Lewis06/08/2023 10:53:55
7227 forum posts
21 photos

By the sound of it, you may well have donethe correct thing; what is necessary to solve the backplate problem, by facing it (And the register? ) on the machine on which it going to be used.

Having the chuck located a few thou .further back is unlikely to be a problem, unless the backplate was already horribly thin..

Even if you decided later to machine a new backplate, you will be in a better position that when you started with regard to comcentricity and run out.

Howard

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