Harmonic Gear Reducer 12:1
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A small hand-cranked 12:1 harmonic reducer, all PLA, open on both faces.
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Model information
- Source
- Printables
- Category
- Engineering
- License
- Standard Digital File License
A hand-cranked 12:1 harmonic (strain wave) reducer. Ø57 × 26.5 mm, 13 parts, all PLA, no screws or glue.
Specs
12 handle turns = 1 output turn, the other way
Grease on the roller pins is optional; without it, it turns a little stiffly
Printing
PLA, 0.16 mm layers. Support only under the handle.
Two profiles: two colours, or one colour without AMS.
Assembly (see the assembly picture)
Housing, back face down
Output base
Wave generator base, pins up
Four rollers onto the pins
Flexspline, gap on the wide tooth
Fixed ring
Input onto the pins
Output top, wide tooth in the gap
Screw in the lid
Handle