Convex 5mm HTD Pulley (Configurable)
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An easily configurable convex 5mm HTD pulley. This design enables the self-centering of timing belts.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Here is the link to the Onshape file where you can configure the pulley or make a copy of the 3D Geometry to meet your specific needs.
This file was originally designed for use in the FIRST Robotics Competition (FRC) using ½" hex shafts. If the hole spacing is set, adjusting the number of teeth on each pulley can be an easy adjustment for belt tension. Also, playing with the difference in teeth between each pulley enables different gear ratios.
If this helped you out, tips are welcome on PayPal or Venmo
If you decide to print or remix your own, I'd love to see a picture of how it turned out.
Here is a short video showing the pulleys in action: