Turning 50 cent into a Bitcoin
Description
<b>Video can be found here:</b> https://youtu.be/xg4m3nG6Z94 <b>STL and Editable Fusion 360 source files can be found here:</b> https://bbprojects.technology/collections/stl-fusion-360-source-files/products/bitcoin-model I just recently bought some new equipment (HBM mini lathe and a 3018 cnc-machine) and wanted to do a little project to test out the 2 machines and get familiar with them. Since I just passes 25K subs I decided to do a little giveaway to show my appreciation to all of you. I really would've never thought I would even reach 1K let alone 25K, so thank you very very much ;-) I first tried to hold the coin down on the engraving table using double sided tape, but this didn't turn out to be a great idea because the lubricant used for the drill bit dissolved the double sided tape. In the next attempt I used 2 component epoxy glue which worked excellent. Removing the epoxy glue turned to be pretty easy. I used a 25 degree, 0.1mm tip engraving bit, they did brake from time to time but lowering the engraving speed helped a lot. I used this model to engrave a bitcoin patern onto a coin but you can also use the STL-file to print it out using your 3D-printer. You might have to scale it up a bit to reach to desired detail. I tried to work as safe as possible with the mini lathe (no long sleeves, removed watch, closed safety covers, etc...) but I do realize working this close to the chuck might not be the best idea, so I wouldn't recommend you doing this. Some of you might also note I'm "destroying" money. this was also one of my main concerns when I started this project so I did some research. This is what I found on the website of the National Bank of Belgium: _"When notes or coins are definitively withdrawn from circulation, one is not punishable. This is the case, for example, if they are incorporated into souvenirs, decorative works or works of art in such a way that they can no longer be returned to their original state."_ Website: https://www.nbb.be/nl/faq/mag-een-bankbiljet-een-munt-beschadigd-beschreven-betekend-worden I also send them an email just to be sure but I guess this isn't even worth their time because they just keep redirecting me to other departments and it has been a few months now since I've heard from them. but we should be good ;-) <b>More info, parts list, schematics, etc can be found here:</b> https://hackaday.io/project/176633-turning-50-cent-into-a-bitcoin <b>Tools used:</b> 3018 CNC-machine: https://www.banggood.com/3018-3-Axis-Mini-DIY-CNC-Router-Standard-Spindle-Motor-Wood-Engraving-Machine-Milling-Engraver-p-1274569.html?p=E01411629100201406T1&custlinkid=1403581 25 degree, 0.1mm tip engraving bit: https://www.banggood.com/5Pcs-Pyramid-Engraving-Drill-Bit-3_175mm-Shank-25-Degree-0_1mm-Tip-for-EleksMill-Engraver-CNC-Router-p-1273127.html?p=E01411629100201406T1&custlinkid=1403609 HBM 180x300 metal mini lathe: https://www.hbm-machines.com/producten/hbm-180-x-300-metaaldraaibank-met-digitaal-display Paypal: https://paypal.me/BrockenBrian <b>Feel free to take a look at my other designs:</b> 3D printable antweight battlebot: Bulldog: https://www.thingiverse.com/thing:4623536 SpaceX inspired edf rocket: https://www.thingiverse.com/thing:4606751 3D printed high torque servo/gearbox version 2: https://www.thingiverse.com/thing:4547703 UMC - Universal motion controller: https://www.thingiverse.com/thing:4245315 3D-printable Davinci catapult gift card: https://www.thingiverse.com/thing:4067668 Arduino controlled photogrammetry 3D-scanner: https://www.thingiverse.com/thing:3958326 Fully 3D-printable turntable: https://www.thingiverse.com/thing:3723618 RC FPV tank rover: https://www.thingiverse.com/thing:3587738 Fully 3D-printable wind-up car gift card: https://www.thingiverse.com/thing:3308710 3D-printable High torque servo/gear reduction: https://www.thingiverse.com/thing:3292860 'BOOM box' high voltage capacitor bank case: https://www.thingiverse.com/thing:2980012 Subby the interactive youtube subscriber robot: https://www.thingiverse.com/thing:2928254 robot hand || bionic hand prosthesis prototype: https://www.thingiverse.com/thing:2838239 3D-printable linear actuator: https://www.thingiverse.com/thing:2783959 Mini 3D-printable crossbow: https://www.thingiverse.com/thing:2710472 8 legged spider robot: https://www.thingiverse.com/thing:2470882 best 3D-printable bearing: https://www.thingiverse.com/thing:2349065 Have a nice day!
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