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Thread: Drill Press Chuck keeps coming out

  1. #1
    Join Date
    Sep 2005
    springfield, massachusetts, usa.

    Drill Press Chuck keeps coming out

    I am using my 16" drill press with a Delta mortising attachment. Every so often the #1 taper chuck will drop out of the quill. What's wrong with it and how do I get it to stay put?

  2. #2

    RE: Drill Press Chuck keeps coming out


    Clean both the arbor taper and the taper in the chuck. Use a solvent like Naptha that leaves no residue. DON'T use any abrasive. After cleaning carefully make sure no dust, lint or other foreign matter is on either surface. Don't touch either surface because even oil from your skin can cause problems with fit. Set up a support for the chuck so that you can use the spindle feed to force the arbor into the chuck with exact alignment. You shouldn't have to use enough force to deflect or bend anything--just enough to cause a good mating fit. Good luck, attaching a chuck to a tapered arbor can be a frustrating experience.


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