Great idea, GP
I actually spent a good amount of time tap tap tapping that thing with a dial indicator attached to one of those calibration shafts held in the chuck. My think was that might do the trick, but it really seems that either the scroll or the jaws themselves are worn beyond the point of no return. The jaws don¡¯t seem to come apart from the chuck either. Is the only way to true them to bring them in situ? I read that you can put a ring around the jaws to provide uniform(ish) preload on the jaws/scroll and then bring them. That seems awfully risky.
R
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On Oct 8, 2024, at 6:18?PM, Grey Pilgrim via groups.io <pilgrim23@...> wrote:
?Just a thought, but have you considered re-mounting the back plate? Good luck fixing it
On Oct 8, 2024, at 2:59 PM, Ryan Bardsley via groups.io <rbardsley@...> wrote:
Okay, I have gotten to the point where I actually need to remedy my issue. The 3-jaw chuck on my Lot 4 is not longer able to hold stock true enough that I can¡¯t make up the difference with one of my other lathes. I work on very small parts and often use the Dalton to rough in larger material that I can finish up on a smaller lathe. From what I can tell, the jaws on the chuck no longer grip the workpiece evenly. Typically I turn most of the surfaces down to spec and then cut the part off. However, yesterday, I needed to use the whole OD of a piece of stock and turn a small shaft down in the center. When I parted the piece off and put it in my other lathe, I noticed how off the chuck was.
I use this lathe about 3 times a day. Can anyone recommend a specific model of chuck that they have had success replacing the original one with? I¡¯d love to have one that can be dialed in to perfection like the Bison Set-Tru series. My lathe has the standard 3-hole mounting plate and an MT3 taper in the headstock. I was looking to see if there was a collet solution that might work with that.
Is there any way to keep the original going? It¡¯s looking pretty worn, but it¡¯s led a good life. :)
Thanks,
Ryan
Manchester, MA
