Thread: I'm not self centered chuck
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28-07-2010 #15What do the experts think?
If you're using an independently jawed chuck for accuracy you'll need to dial it. One can usually do it by eye to about +/- 20 thou", just using the concentric rings. It should only take a few minutes to get the TIR down to 1 thou or so.
If you only need a rough centre ~0.003" then a self-centring chuck with 3,4 or 6 jaws would make your life a whole lot simpler.
I'd guess your plate Idea would work to say 0.01" (if you're lucky ;)) tightening one jaw can throw the reading off by that much.
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