Sampson Chuck Jaws
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  1. #1
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    Default Sampson Chuck Jaws

    I picked up an old 6" Sampson 4-jaw scroll chuck for REALLY cheap ($10). But it only came with outside jaws.

    Finding inside jaws for this chuck is VERY unlikely so I thought I'd grind down the existing jaws to accept a set of Top Jaws. I have the equipment to do that - except the jaws are hardened so drilling and tapping holes in them for the Top Jaws seems like a show-stopper.

    Is it?

    I also considered making a set of jaws but I'm stumped on how to cut the back side of the jaws - you know, the curved groove side.

    Ideas?


    Gary

  2. #2
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    Default

    Quote Originally Posted by garyrice View Post
    Ideas?
    Gary
    Toss it into the scrap bin or buy a new set of sub jaws. You might have some luck contacting Huron Machine Products to see if the have something comparable.
    Huron Machine Products

    The "curved groove side" is a scroll thread.

  3. #3
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    Default

    I see plenty of "quality" chucks with holes drilled in the jaws,so its not very difficult to do.........From the broken jaws Ive seen ,the jaws are deeply carburized,so I suggest you you cut off the excess with an abrasive wheel,when the new surface is likely quite soft and machinable.


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