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Three Jaw Chuck / Spindle Bore Opening


 

Recently have started to use my little ole lathe. My machining background stems from “repair” as opposed to “fabricating” and so one of the first things I did was acquire a 4-jaw chuck.

After having the lathe for near 5 years now, I discovered the bore of the 3-jaw chuck is smaller than the lathe spindle opening.

I did not have a reason to notice this discrepancy before because I hardly ever used the 3-jaw chuck until lately for some repetitive work.

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Is this something we just have to accept as an attribute of the machine, or is there a three jaw chuck available with a bore opening as large as the spindle opening?

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John

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