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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.
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Shelly142,
Nice universal design incorporating the ¼” hex socket for all types of screw head holding options using driver bits.
Regards,
Paul
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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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The hex bit socket is one of the cleverest ideas I have seen for a tool like this. Well done
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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.
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<a href="http://www.homemadetools.net/homemade-lantern-chuck-4">Lantern Chuck</a>
<span> by <a href="http://www.homemadetools.net/builder/Shelly142_2">Shelly142</a></span>
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Same as above, clever and well done, and versatile. I add one to my todo list !
Thxs
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1 Attachment(s)
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
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