Say one is turning some mild steel. Tool registration is complete, a number of passes are made until one is ready for a finishing pass or two.
Given a smooth finish is best achieved with a wide tool bit radius and roughing is best done with a smaller tool radius, it probably is best to change the tool bit, but then one needs to register the tool bit again. If the tool bit is being swapped, what is the best approach to re-register the tool bit again, given that probably very little material remains to be removed?


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