3D-Printable high torque strain wave gearbox - Harmonic drive

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Video can be found here: https://youtu.be/1jqYdFrZqFI Most up-to-date STL and Editable Fusion 360 source files can be found here: https://bbprojects.technology/collections/stl-fusion-360-source-files/products/3d-printable-high-torque-strain-wave-gearbox-harmonic-drive More info, schematics, parts list, etc... can be found here:https://hackaday.io/project/187309-3d-printable-strain-wave-gearbox-harmonic-drive I was fascinated by this type of gearbox and always wanted to make one. This type of gearbox is one of the most used in industrial robots. This type of gearbox only has a single reduction (in this case 2 because of the belt reduction) with a very high reduction ratio. Because of the single stage reduction there's almost no tolerance/play between input and output shaft. Conventional gearboxes use more gears to achieve the same reduction ratio, the tolerances between the gears add up resulting in greater tolerances/play between the input and output shaft. Here are some specifications of the gearbox:Max tested torque at 12V: 41.3kgcm or 4NmTotal reduction ratio = 54:1 Big thank you to PCBWay for sponsoring this project. Due a price drop in raw materials, PCBWay can now provide PCB's at a reduced price. Use my referral link to get a 5$ discount when you sing up as a new user: https://www.pcbway.com/setinvite.aspx?inviteid=586251 Tools and materials I'm using can be found here: https://bbprojects.technology/pages/tools-and-materials

About the author:
bribro12
All my latest projects and files can now be found here: https://bbprojects.technology I'm charging a small fee to cover the cost of the website, enjoy! I'm a maker. I design and create my own projects and build them from scratch. My favorite tools are my 3D-printer and laser cutter. I own a 3D printer since 2014 and still use it almost every day. I like to design 3D models and sometimes also animate it. Besides 3D printing and modeling I also like aviation a lot. I fly RC drones, helicopters and planes.

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