Mystery resin or nylon 3 jaw chuck on 8mm collet??

Discussion in 'Horological Tools' started by RodJB, Oct 2, 2019.

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  1. RodJB

    RodJB Registered User

    Dec 13, 2008
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    Richmond BC Canada / Kirkintilloch Scotland
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    I've never come across one of these before...Any thoughts?
    DSC09801.JPG DSC09803.JPG DSC09802.JPG
     
  2. Jerry Kieffer

    Jerry Kieffer Registered User
    NAWCC Member

    May 31, 2005
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    Some years ago, they showed up at several of the regional shows/Marts (or appear to be the same ones) in the US. I have never tried one if it is the same thing made from plastic. I also do not recall what they were intended for, but it could not have been anything requiring accuracy. Again if I recall, they were asking $25.00 at the time.

    I wish I had purchased one as a curiosity item for the tool collection.


    Jerry Kieffer
     
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  3. motormaker

    motormaker Registered User

    Apr 5, 2010
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    Tucson, AZ
    I have a 4th axis for a Roland CNC machine that has a black plastic 4 jaw chuck. These were designed for holding machinable wax while it was being cut. The wax was used for lost wax type of jewelry castings. Detail can be very good. There is very little strain on these chucks. 3 jaw chucks were also supplied by several makers. Most of these were/are used for modeling finger rings.
     
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  4. wefalck

    wefalck Registered User

    Mar 29, 2011
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    I think PROXXON and Cool-Tool (in Austria for the Unimat 1) have both plastic chucks in their range. Could be good for holding delicate items, such as indeed rings made from precious metals, so as not to damage the surface. Obviously one cannot expect too much repeatability.
     
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