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Differential Joint

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JamesNewton edited this page Aug 26, 2020 · 5 revisions

Note: The HDI version of the differential is a significant improvement over the HD version shown here.

The HD version of the Differential Joint can be used on prior Dexter versions, and offers several advantages. The largest advantage is that the encoder disks fully encircle the joint, fused to the parts, and so are far more mechanically stable.

Assembled HD Differential joint

Exploded view of the HD Differential joint
Thanks to Lam Ching Ho for these pictures. You can view it in 3D on tinkercad

The STL files for printing are available:
https://www.thingiverse.com/thing:3206154
But it should be noted that they are typically printed in the Onyx Carbon Fiber filament on a Markforged 3D printer. Other filaments should work, but won't be as strong. ABS is probably the best choice for commonly available materials. The part files are:

  • DiffGearAxle
  • AnglePhoto
  • DiffBodyA
  • DiffBodyB
  • DiffEndPulley
  • DiffGearShaftXL
  • RotateCodeDisk
  • RotatePhotoA
  • RotatePhotoB
  • SplitGearBottom
  • SplitGearTop

To search the Wiki, use the main search box in the black bar at the top, then select WiKi to filter the results or go to https://github.com/HaddingtonDynamics/Dexter/search?type=Wikis&q= and then add your search terms to the end of the URL.

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