Ball Screw Linear Actuator by Jeff Underly
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View on MyMiniFactory ↗Description
Working on a new project requiring (12) ballscrew actuators prompted R&D'ing cost effective solution.This led to many months of developing a 3D printed ball screw with an encoder and hardware cost of 35$/each. Multiple configurations posted for different travel lengths. Travel Configurations:125-200mm150-250mm175-300mm200-350mm Specifications:Designed around 0.125" (3.175mm) ball bearingScrew Pitch Diameter: 12mmScrew Pitch: 4.5mmActuation Speed: 23.1mm/sEncoder: 62.66667P/mmGearmotor: No Load 560RPM, 0.5A (See attached observations)Force: 105N @ 1.0A (assuming 75%e)Force: 367N @ 2.4A (assuming 75%e) I have not tested linear force simply because I don't have appropriate hardware to do so. At 1.5A, I am unable (or unwilling) to stop the actuator by hand in compression. Further testing will happen as I utilize the design. Example of encoder/pid positioning:https://www.youtube.com/watch?v=KTAoLJEhHUw Further Details: https://www.thingiverse.com/thing:3770810 | Download free and paid 3D printable STL files
About this model
Ball Screw Linear Actuator by Jeff Underly is a free 3D model in the Other category, shared by the MyMiniFactory community. You can download it for 3D printing and reuse it in your own projects under the terms of its original license.
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