lego micro diff (compact & modular design)

a 3 stud long differential using lego bevel gears with a replaceable ring gears (16, 20, 24 & 32 teeth)
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updated January 19, 2023

Description

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here is present you my micro lego compatible differential with replaceable ring gears.

use cases of this differential: 

  • special gear reductions in gearboxes
  • differential for non-conventional/custom/compact types of transmission in vehicles
  • compact way for having a 2-to-1 gear reduction

currently this model has one housing part, and 4 ring gears (16, 20, 24 & 32 teeth).

 

if you want any custom gears for this diff, please let me know via a comment

 

this model is optimized for 0.4mm nozzle FDM printing. i recommend you to print this model with solid infill and with a 0.2mm layer height. Print with the gear champers on the printbed! No supports are needed.

because of tight tolerances you might want to drill out the holes with a 5mm drill bit.

 

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Model origin

The author marked this model as their own original creation.

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