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Found an interesting face plate.

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  • Found an interesting face plate.

    I picked up a box of goodies from a South Bend 9" Lathe this weekend.

    There was an interesting face plate that's a bit different from what I've seen.
    It's a Goodell-Pratt. The clamps press in and are free to turn to adjust to odd sized pieces.

    I was going to sell it, but I have a feeling that as soon as I do, I'm going to end up with a project that needs just this sort of thing.

    .

  • #2
    Pretty neat. That's a precursor to the hexagonal soft jaws that are so popular in the British model engineering community.
    "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did."

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    • #3
      That looks like it's intended for use on a grinder more than a lathe though,nice find.
      I just need one more tool,just one!

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      • #4
        Great find, very interesting.

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        • #5
          Will it thread on a 9" SB?
          "Let me recommend the best medicine in the
          world: a long journey, at a mild season, through a pleasant
          country, in easy stages."
          ~ James Madison

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          • #6
            Possibly for turning a crankshaft.
            Free software for calculating bolt circles and similar: Click Here

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            • #7
              Originally posted by wierdscience View Post
              That looks like it's intended for use on a grinder more than a lathe though,nice find.
              Why do you say that? (Just curious)

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              • #8
                When the clamps press in, do they lock (ie. are they on slightly tapered pins), or are they still free to rotate when in place. If the latter, I wonder what use the chuck is - won't they just spin and lose all grip?

                Ian
                All of the gear, no idea...

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                • #9
                  Originally posted by flylo View Post
                  Will it thread on a 9" SB?
                  Yup... the backplate is 1-1/2 x 8tpi.



                  Originally posted by Ian B View Post
                  When the clamps press in, do they lock (ie. are they on slightly tapered pins), or are they still free to rotate when in place. If the latter, I wonder what use the chuck is - won't they just spin and lose all grip?

                  Ian
                  They're just straight pins. They fit pretty snug but they can rotate.
                  I haven't given it a test drive yet, but I guess I should take it for a spin.

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                  • #10
                    Looks like a small, light duty 4 jaw chuck for thin work.
                    Harry

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