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Bison Set Tru Chuck

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  • #16
    Of course, as a last (first?) resort you could always use "soft jaws" as they will be a lot easier than mounting/remounting and adjusting a Bison chuck - lot cheaper too.

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    Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.
    Last edited by oldtiffie; 11-29-2014, 07:35 PM.

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    • #17
      Last resort? I do that too even on my set-tru chucks! But soft jaws aren't suitable for all work holding.

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      • #18
        They are as good as most.

        6-Jaw chucks seem to presume that the part is quite round so as to grip evenly on all jaws - if not they will/may only grip on say 4 jaws - and they may be either all together or maybe spread about.

        3-jaw chucks with soft jaws grip on a "tri-pod" manner and are more even to counter the "out of round" in the part to be held.

        6-jaw chucks are sometimes used to grip "thin skinned" parts with minimum chance of crushing them - as would be the case if gripping an egg-shell.

        There is a lot of bison-related stuff here.

        Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

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        • #19
          My Bison chuck has four adjusting screws that are not 90 degrees apart. The orange tape indicates the location of the screws.

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