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Posted (edited)

--Nevermind--  will explain below

The slot on this three-jaw chuck I inherited, does not fit my Peerless lathe head.  It is about 1.5mm too narrow.

Should I "chuck" this thing or try to expand the slot with a dremel tool?  Doing the mod might be sloppy. 

Thoughts?

It is not a slot issue.  It appears to be ever so slightly bigger in diameter.  Working the issue...will update

Edited by LittleWatchShop
Posted

The slots get burrs around them from the chuck being tightened and loosened without using a rod in the hole visible in your pic, but counting on the key to keep it from turning. Sounds like you fixed it, in the future run a small India stone along the sides of the slot, you'll feel the burrs. And make a bar to hold the chuck arbor when tightening and loosening.

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