46331Re: updated tool post / chuck / accuracy adjustments
- Apr 2, 2007It might also be worthwhile to remove the chuck and put a DTI on the
taper inside the spindle to ensure the spindle is not bent.
--- In email@example.com, William Abernathy
>Before you write
> Bison (made in Poland makes the best cheap chuck in this size.
> off your existing chuck, you should do the following:make sure
> 1) Inspect the mounting threads on both the chuck and the spindle to
> there's no swarf or other crud there throwing you off.plate is true
> 2) Take the chuck off its backing plate and make sure the backing
> on your machine. It's possible for the chuck to run true on itsbacking plate,
> and the plate to run true on a different lathe, while the plate andchuck mount
> all wiggly on yours. The only way to be sure is to verify that thebacking plate
> runs true, and if not, to true it.jaws to hold
> 3) If the first two tests pass, then you may be able to regrind the
> true. You need to do this with the jaws loaded.
> Best of luck,
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