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Thread: Lantern Chuck

  1. #1
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    Shelly142's Tools

    Lantern Chuck

    The Lantern Chuck shown is not my design. It was modeled after a Lantern Chuck from Model-Engineer in the UK which in turn may have originated from information gleaned from Tubal Cain’s Book, “Work holding in the Lathe”.

    There were no drawings for this tool only two photos’ showing a general layout of the tool. I first started by preparing a CAD drawing to determine the general proportions and size of the chuck.

    There are two differences in the originators version and the one that I completed. First mine has a 1” diameter shank on the arbor to mount it in a 5C collet, on the original the arbor is married which looks to be a 3C collet. I wanted a more positive method of driving the fasteners to be modified so I incorporated a ¼” hex socket which will accept most all driver bits, phillips, hex, torx, etc. The two main portions of the tool are machined from 1018 CRS Hex and Rod with brass being used for the nose bushings.
    This tool is probably more useful for the model builder to more precisely modify screws than for the average hobby machinist. I guess one could continue to use a hacksaw, grinder and file to shorten and modify fasteners. This version will handle fasteners from #6 up to ¼” diameter. In the future I plan on making are larger version to manage fasteners of 5/16” and up but once again will have to start with a CAD drawing to determine the appropriate size for the tool.
    Attached Thumbnails Attached Thumbnails Lantern Chuck-arbor.jpg   Lantern Chuck-arbor-w_-assorted-bits.jpg   Lantern Chuck-component-pre-assembly.jpg   Lantern Chuck-assembly-w_nose-bushings.jpg   Lantern Chuck-assembly-complete.jpg  


  2. The Following 27 Users Say Thank You to Shelly142 For This Useful Post:

    baja (01-18-2020), Christophe Mineau (12-05-2017), Edge20 (11-24-2019), evilwrench (04-27-2018), extropic (12-24-2017), HobieDave (04-11-2020), IAMSatisfied (12-05-2017), jjr2001 (12-22-2017), Jon (12-05-2017), Karl_H (01-17-2020), LMMasterMariner (12-05-2017), Metallurg33 (04-28-2018), mklotz (12-04-2017), NickP (12-09-2017), olderdan (12-05-2017), old_toolmaker (01-17-2020), Paul Jones (12-04-2017), Peter Sanders (12-11-2017), PJs (04-28-2018), rendoman (04-28-2018), Reysl (11-30-2019), rossbotics (12-05-2017), Seedtick (12-04-2017), thehomeengineer (01-10-2018), thevillageinn (04-28-2018), Tule (12-05-2017), Tuomas (12-09-2017)

  3. #2
    Supporting Member Paul Jones's Avatar
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    Paul Jones's Tools
    Shelly142,

    Nice universal design incorporating the ¼” hex socket for all types of screw head holding options using driver bits.

    Regards,
    Paul

  4. #3
    Supporting Member ncollar's Avatar
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    Very nice, always love to see the brassy. Look real nice.
    Nelson

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    Nice work. That's an actual tool.

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    Supporting Member Frank S's Avatar
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    Frank S's Tools
    The hex bit socket is one of the cleverest ideas I have seen for a tool like this. Well done
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  7. The Following 2 Users Say Thank You to Frank S For This Useful Post:

    Christophe Mineau (12-05-2017), Paul Jones (12-04-2017)

  8. #6
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    Shelly142's Tools
    Gentlemen, I thank you for all the positive comments.

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    Well thought out design. To have that many options makes it very useful.

  10. #8
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    Thanks Shelly142! We've added your Lantern Chuck to our Workholding category,
    as well as to your builder page: Shelly142's Homemade Tools. Your receipt:




  11. #9
    Supporting Member Christophe Mineau's Avatar
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    Christophe Mineau's Tools

    Cool

    Same as above, clever and well done, and versatile. I add one to my todo list !
    Thxs
    Cheers !
    Christophe
    ________________________________________________________________
    Visit my Website : http://www.labellenote.fr/
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    All my personal works, unless explicitly specified, are released under
    Creative Commons BY-NC-SA license.

  12. #10
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    Nice work on your build. This would be just the tool for cutting a circlip groove in a screw for various reasons.

    If one is simply needing a screw shortening tool, a guillotine style bolt shear such as this one used in the aircraft industry, works well and is fast & easy to use: SCREW & BOLT SHEAR from Aircraft Spruce

    Lantern Chuck-12-14250.jpg
    Last edited by IAMSatisfied; 12-05-2017 at 07:47 AM.

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