Strain Wave Gear: Difference between revisions
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https://www.thingiverse.com/thing:2013137 | https://www.thingiverse.com/thing:2013137 | ||
=Concept= | |||
*2 concentric gears | |||
*Outside gear has N teeth, say N=100 | |||
*Inside gear is smaller and offset from center. It has a slightly smaller number of teeth - say N-2 | |||
*Difference in teeth number creates geardown of 100/2 = 50 | |||
Latest revision as of 20:29, 11 April 2019
Strain wave gear visualization - see the YouTube at 0.25 speed to understand it.
https://hackaday.com/2016/12/09/lego-strain-wave-gear-is-easy-on-the-eyes/
See another Hackaday Post on strain wave gears:
https://hackaday.io/project/19405-strain-wave-gear-with-timing-belts
Download simple model:
https://www.thingiverse.com/thing:2013137
Concept
- 2 concentric gears
- Outside gear has N teeth, say N=100
- Inside gear is smaller and offset from center. It has a slightly smaller number of teeth - say N-2
- Difference in teeth number creates geardown of 100/2 = 50