Morse tapers rely on friction and a close fit to hold them in place. The one that holds the chuck in the drill press almost stays after thorough acetone treatment abd freezing. While not recommended, I put a bit of superglue on the Morse taper, and now it holds. The Tapmatic puts a lot of rotational stress on the tapers; last night it pulled the Morse taper from the Tapmatic that goes into the drill press chuck. Again, a bit of Superglue solved the problem. I may never be able to remove these Morse tapers, but it doesn't matter.