Cycloidal Drive

Cycloidal drive demo model
In the contest Education Tools
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updated December 17, 2024

Description

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This 3D-printed model showcases an 11:1 cycloidal drive, featuring 11 lobes on the disk and 12 pins of the housing.
The disk was generated with the following parameters:

  • R = 45 mm (radius of roller pin ring)
  • Rr = 5 mm (radius of roller pins)
  • N = 12 (number of roller pins)
  • E = 3mm (eccentricity of the disk )

The animations and the video show how the disk's lobes engage with the pins. To simplify testing and adjusting the disk parameters, I used a MATLAB file (included), as it’s more straightforward than testing parameters in CAD.

Assembly guide

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