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 3-D printed harmonic drive 
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Joined: Wed Nov 11, 2009 10:45 am
Posts: 1681
Location: Merritt Island, Florida, Estates Unitas
Post 3-D printed harmonic drive
This probably isn't going to carry a lot of weight, but for a pan-tilt head, carrying a DSLR, it might work. You can print with flexible plastic now, which is perfect for the flexible spline. Its probably best to have the parts made on a good commercial printer which can make smoother surfaces with more detail than home machines. If anyone finds STLfiles for something like this, please post a link to them. Here's a link to the amazing video.



https://www.youtube.com/watch?v=D_neLbcW_BY


Thu Jun 02, 2016 6:53 am
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Joined: Wed Nov 11, 2009 10:45 am
Posts: 1681
Location: Merritt Island, Florida, Estates Unitas
Post Re: 3-D printed harmonic drive
While searching for stuff about zero backlash speed reducers, I found this amazing test done by one of our own Timescapes members. When he turns the camera around to show how far away the laser is, you see how the positional accuracy of this thing is like what you find in big observatory telescopes. Amazing repeatability Eros, How is the project going now that almost a year has passed since this test? If you'd consider selling a few of the speed reducers, contact me. Sciencelookers@aol.com or PM me on Timescapes. Here's the link to the video of the test.



https://www.youtube.com/watch?v=Ubc6Eu4SCro


Thu Jun 02, 2016 9:01 am
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