Quote:
Originally Posted by asid61
Harmonic drives, to my understanding, rely on mechanical warping to function properly, and seem very tricky to design. This relies on completely different mechanisms to work and seems far easier to design and manufacture. I would not be confident making a harmonic drive, but I could see myself making this on a 2-axis CNC, manual mill, and lathe.
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You do need a deformable gear in a harmonic drive, but they can
be 3D printed.
(That channel actually has a lot of interesting gear trains,
like this one.)
I would seriously balk at attempting to calculate the tooth profile of those non-wobbling gears.