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Bronze Housing for 'Kopriso Nixie Watch'
By catohagen
The design uses older 'steampunk' inspired cogwheel geometry, the different tops, when seen above have a real calculated cogwheel geometry using Gibbscam, a CAM software for machinists. I created different wheels with low height on the gears as a design, the gears on the top gives a good grip.If you hold the watch and look straight at the side, theres a rather large cogwheelgeometry part, its sticking outside the base of the case and acts as lugs for the 24mm springbars. The threads inside the 'TOP' and outside the 'CASE' are my own based on STUB ACME threads, with 1.75 pitch and a low 0.5mm thread height, they are tiny and fully printable, and proven to be quite strong. My ultimaker printed these pretty good(needed light sanding) and on the parts from Shapeways, the threads are spot on, you need to work the 'TOP' on, and again brings my hopes up that the hours spent on getting the threads work and it will prevent dust and moist to enter the case.The 'TOP' are modeled to pressfit a 45mm mineral glass (1mm thick) into.The 'RING' lays between the case and the top, as a sealant+damper, thus it may prevent moist from entering the case and messing up the electronics.Nixie tubes need around 180 volts DC just to start lit up, so the implications of forgetting to remove the watch before entering the shower might affect you and the electronics inside if the watch get some water inside.There are still some issues left when using this with the Kopriso nixie watch asthe touch sensitive buttons, but I skipped this for now and keeping the case easier to hold watertight, the watch have a IR+Motion sensor that triggers the clock to display time, so once you've adjusted the parameters on the watch you can screw the tid on and get your time readings by motion.I uploaded a shitload of photos, many from earlier prototypes, but didnt upload the stl's. In the end there where over 30 revisions, and over 7GB of CAD files.If you want a Kopriso Nixie Watch yourself, check out https://www.facebook.com/nixiewatch
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