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Modular 3d-printed torque controllable BLDC actuator. 8:1 planetary gearbox. 47x47 x47mm, ~$74 per actuator.
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GearBoxAssy-Planet.STL
GearBoxAssy-Ring.STL
GearBoxAssy-Sun.STL
GearboxFace-LowerInner.STL added files Nov 22, 2019
GearboxFace-LowerOuter.STL
GearboxFace-UpperInner.STL
GearboxFace-UpperOuter.STL
LICENSE Initial commit Nov 9, 2019
LulzbotMini_TipTap.curaprofile
Motor_Case.STL
README.md
SingleMotorPCBspacer.STL
cross_section.jpg
iso1.jpg
iso2.jpg

README.md

TipTapMotor

Print one of each STL, except for:

  • "GearBoxAssy-Planet.STL", which needs a total of three.
  • "SingleMotorPCBspacer.STL", which is optional, but needs a total of two. Note: I used the LulzbotMini_TipTap.curaprofile on my lulzbot mini to get the tight tolerances needed on the gears and good first layer resolution.

Purchased Parts:

Assembly according to cross section:

Note: Not show in cross section - the three 1mm dowel pins must be hammered into the three holes of the "GearboxFace-LowerInner.STL", to provide shear support.

Final product:

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