JEWELING CHUCKS

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  • February 2, 2014 at 1:48 am #48847
    david pierce
    Participant

      Jan,
      Check out Ebay items #201028530244 and #151218856270.
      david

      February 2, 2014 at 2:08 am #55600
      gerene
      Participant

        Thanks David, I am interrested in item #151218856270 which would be what I need. However, it does not ship to Europe :(
        I will keep looking out….

        Jan

        February 2, 2014 at 6:30 pm #55601
        david pierce
        Participant

          Jan,
          The screw head polishing sets seem to have a great selection of those chucks. You can also make them out of brass rod with the equipment you already have. Since you are only concerned with the sleeve you do not have to worry about the threaded stop in the back of the collets. Turn the OD and drill an undersize ID on your TAIG to fit one of the ER11 collets. Then finish the ID on your NANO with a boreing bar followed by a reamer for the final size. You can then use your milling machine to cut the slots with a slitting saw.
          davide

          February 2, 2014 at 7:20 pm #55602
          tmac1956
          Participant

            David:

            A related question about boring. Would I need a boring head to do bigger diameters than the max 1/2″ drill bits? Those boring heads are a little pricey, but I know I’m going to need the capability to bore at some point. Recommendations?…

            Thanks!
            Tom

            February 2, 2014 at 8:18 pm #55603
            david pierce
            Participant

              Tom,
              The boreing head would apply to boreing a hole through a plate. For a round shaft the piece would be turned in a lathe and a boreing bar would be mounted to the cross slide. For your HF mill I would not go larger than a 2 inch boreing head. Smaller is better in this case because you can run the smaller heads faster. Check with MSC and ENCO and see what they have to offer.
              david

              February 3, 2014 at 1:45 am #55604
              gerene
              Participant

                David,

                I might try your suggestion of making them myself. I will put it on my “todo” list, which seems to be only growing. I can not take things of faster than adding things :?
                I will certainly need more help, if and when I get to it ;)
                Jan

                February 3, 2014 at 8:34 am #55605
                david pierce
                Participant

                  Jan,
                  The best method is to jump in, screw it up and learn from your failures. Every machine shop has a scrap bin. It is a very important piece of equipment. Another member just joined who also has a background in machine work. Hopefully he will pitch in and help with some of these questions and may offer perspectives that I never thought of.
                  david

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