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Realign Headstock and Tailstock

Joined
Jan 14, 2020
Messages
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Location
Austin, TX
Perhaps this is something super simple or common, because I can't find anything when searching for it. That's usually a good sign that I'm doing something terribly wrong.
Anyway, I have a Luguna 24/36 probably about 6 months old. When I pull the live center up to the drive center I find the live center is pointing at least 1/8th in below the drive center.
I'm not sure how to adjust this, or how long it's been going on. My lathe does tend to dance a jig every so often, but it is sitting on a new concrete slab that is pretty level.
Anyway, again, can someone advice me on how to adjust this alignment?
Thanks,
Raif
 

john lucas

AAW Forum Expert
Joined
Apr 26, 2004
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Cookeville, TN
For up and down check for dirt under the tailstock. It the headstock slides or rotates check for grit under it or make sure the tightening lever is tight.
 
Joined
Jan 14, 2020
Messages
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Location
Austin, TX
So I took the tailstock off and I noticed some very obvious bolts which seem specifically designed for adjusting the height :) bolts were pretty tight so I"m waiting for the wd40 to sink in then I'll find out.
Thanks
 
Joined
Jan 24, 2010
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Liquid wrench will do the trick. It soaks into any rust or corrosion. Keep a small can in the cabinet.
 
Joined
Jul 26, 2016
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If you rotate or reposition your headstock a lot you usually need to bring the tailstock up to the headstock and align the two as needed. It is a lot easier to leave the headstock locked down in one position and only use the tailstock to move as needed. They do make a double ended Morse Taper alignment tool that quickly brings the headstock spindle and tailstock quickly into alignment. I use a laser alignment tool that mounts in the headstock spindle and provides a laser point to use as a target when locking down the headstock or tailstock. On some machines if the tailstock does not have adjusting bolts for the elevation you can use shim stock under the headstock or tailstock as needed. You should check the level of your lathe and make sure you don't have a twist in the ways or one end of the lathe is sitting on a high or low spot on the floor. You can use a precision level to check the level of your lathe and verify there is no twist in the ways.
Mill Drill Laser.jpg
 
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