SpryDrive Actuator
SpryDrive is an affordable actuator based on the quasi-direct drive (QDD) scheme. It is composed of a brushless outrunner motor, a low-cost metal gearbox, and a 3D-printed housing. Inspired by Gabrael Levine's OpenTorque actuator, but takes up less volume.
Output Backlash: ~0.13 degree
Gear Ratio: 7:1
Motor: Herlea X8318S
for build instructions, see: https://github.com/bbokser/sprydrive/tree/master
Bill of Materials:
Part Name | Amount |
X318S or 9235 Motor | x1 |
Frame | x1 |
Output Plate | x1 |
Back Plate | x1 |
Bearing Cover | x1 |
Magnet Holder | x1 |
Encoder Mount | x1 |
Output Mounting Plate | x1 |
Adapter Plate | x1 |
M4x10 Flat Head Screws (Steel) | x4 |
M2x10 Flat Head Screws (Steel) | x16 |
M3x8 Ultra-Low Profile Socket Head Screws | x4 |
M4x18 Dowel Pins | x3 |
M2 Brass Heat-Set Inserts | x12 |
M2.5 Thin Hex Nuts | x4 |
M4 Hex Nuts (Optional For Mounting) | x4 |
Deep Groove Bearing 40x52x7 | x1 |
AS5048 Encoder Board and Magnet | x1 |
VersaPlanetary 7:1 Gear Set | x1 |
VersaPlanetary Ring | x1 |
Design by bbokser, inspired by Gabrael Levine's OpenTorque actuator
License: MIT License