My 3D Printed Harmonic Drive is Surprisingly Powerful!
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Published 2021-05-02
If you would like to find out more about this gearbox or get the parts to build your own, the project is fully open sourced and can be found here:
github.com/DDeGonge/OS-ARM/tree/main/cad/HarmonicD…
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All Comments (21)
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This is actually the most impressive 3D printed strain wave drive I've seen on YouTube. Hopefully the video gets the recognition it deserves.
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For interfacing shafts with 3D printed parts in a VORON, we use 20T pulleys with the top flange popped off, and with screws driven in to fully stabilize it. It gives you a solid and cheap interface between a steel shaft and a printed part.
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I knew I recognized that voice. Hah. Sweet design dude. Using the belt is very clever.
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Great work! Makes me want to work on gears and gearboxes again. Any idea on the efficiency of such a design?
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Thanks for watching! If you enjoyed, check out some of my other videos like a pneumatic 3d printed liquid piston engine! https://www.youtube.com/watch?v=QdH_su27DYg
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Brilliant design! Also, I really like that you do everything by yourself. I believe the experience you gain and all those things you learn when doing this is super valuable and the best thing is that noone can take it from you. I also applaud that you share with the rest of the world here. A true passionate inventor/tinkerer, enjoying the process.
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Cool project, great video quality, and most importantly, you were clear and concise about your thought process, you really brought us along for the build. You got my sub fam. Keep this up
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This shows a great amount of dedication!
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You should design in stabilizing rollers at 90 degrees to the main bearings. That would function as a limiter for oscillations at high rpm.
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excited to see the full robot arm in action! i always wanted one of those automotive car building robo arms!
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Satisfying the design manufacture and testing !! keep up the good work.
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Awesome video once again! I can’t wait to see the next one!
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I JUST watched Tenet last night! Your intro was awesome!
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So glad to find your channel. Love your work. Keep up!
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Outstanding performance from your harmonic drive design! I would be proud of it!
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Never even heard of strain wave motors until this video, great stuff and just subscribed!
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That's pretty epic 😍. Didn't even know that existed until now.
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I'm making a robot arm for a school project and will probably also go with the steppers. This might come very useful. Thank you for making it open source.
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Fantastic video, all the best for your projects; Keep up the great work!
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In my experience Taulman Bridge is an absolute nightmare to print with, you need very high temperature enclosure to prevent warping. I switched to Polymaker CoPA and PA6-CF, both of which prints almost as easy as PLA, sticks perfectly to glue stick, doesn't warp, etc. As long as you keep the filament dry and your printer hotend can handle the temperature.
