TLKALLAM8 writes:

.So i just lightly sand
the bur with 400 grit sand paper buy hand while the next part is
turning it only takes a few seconds but it does get old after a few
hundred .

I've been using ScotchBrite pads on aluminum, which leaves a mildly
polished finish. This really makes a mess on the lathe, though, since very
finely powdered aluminum is an effective dark pigment (cf German dark pyro
grades), used for disclosing fingerprints.