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?Hi all,
I am in the process of rehabbing a 3995 lathe. It was free and maybe I now know why. The runout on the spindle inner and outer diameter is really good. Like .0013. Screw on the chuck and chuck up a mandrel and it all goes bad, really bad. You can see it, let alone measure it. The chuck is a Cushing 3 jaw.
So is it worth buying a new chuck, i.e. will it mitigate much of the issue, or is there something else at play here (see what I did there) that I have missed? I am new at lathe details and the ins and outs, but an engineer by background.
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