Fix a Loose Drill-Press Chuck
I’ve had trouble with my chuck sometimes coming out of the morse taper of the drill press. I’ve cleaned the surfaces of both the arbor and the socket, but it still comes out. Is there something else I can do?
Mark Schofield, Southbury, CT
First check to see if there are any burrs on the arbor shaft or in the socket. Even a tiny burr can thwart the locking action of the taper. To check, lightly spin the arbor in the socket. A burr in the socket leaves a shiny line on the shaft, and one on the shaft leaves a line in the socket. In either case, use a piece of fine-grit emery cloth to remove the burr. Clean the surface thoroughly to remove the filings.
Then re-seat the arbor into the socket by twisting and pushing it in one motion. This assures that the…