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What are these holes for? 1952 square dial

vdrum4250

Aluminum
Joined
Apr 16, 2017
Any help. Doesn't seem to do anything?
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Not sure about the first ones, I'll have to review my lathe and see if I have any of them. Someone might have mounted a DRO on them.

Second one is a drain hole for the compound t-slot. Might want to clean it out, maybe poke a smallish drill bit through there.
 
Orange hole is threaded and goes right under the circle attachment for the compound slide... If a bolt went in there it could block the round t nuts holding the compound slide. So that it couldn't rotate 360 degrees

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Orange hole is threaded and goes right under the circle attachment for the compound slide... If a bolt went in there it could block the round t nuts holding the compound slide. So that it couldn't rotate 360 degrees

Sent from my EDI-AL10 using Tapatalk

10EE had a rather large option-set of travel rests. Four or five of them, ISTR - fotos are on PM.

My one bolts to tapped holes, including in the HS-ward front face of the cross slide. Your fotos may include one of those. The rest appear to be something else, and may not even be 'factory' ones.
 








 
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