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Ball Screw Linear Actuator

3D File Logo  3D

Published 2020-01-26T07:15:21+00:00

    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
    Ball Screw Linear Actuator image
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    Ball Screw Linear Actuator

    3D File Logo  3D

    Published 2020-01-26T07:15:21+00:00

    Jeff Underly

    @DesignCell

    5 objects

    3 Followers
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    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:
    125-200mm
    150-250mm
    175-300mm
    200-350mm

    Specifications:
    Designed around 0.125" (3.175mm) ball bearing
    Screw Pitch Diameter: 12mm
    Screw Pitch: 4.5mm
    Actuation Speed: 23.1mm/s
    Encoder: 62.66667P/mm
    Gearmotor: 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

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    Licenza
    Technical Information
    Date published 26/01/2020
    More Information
    Object Parts
    3Dpa Bearing Inner 12 3 175.Stl
    3D View
    3Dpa Bearing Pivot 18 3 175 Inner.stl
    3D View
    3Dpa Bearing Pivot 18 3 175 Outer.stl
    3D View
    3Dpa Encoder 16T.stl
    3D View
    3Dpa Encoder 47T.stl
    3D View
    3Dpa Flex T5M 32P Belt.stl
    3D View
    3Dpa Frame Center.stl
    3D View
    3Dpa Frame End.stl
    3D View
    3Dpa Frame Front.stl
    3D View
    3Dpa Frame Mount 125 200 Bottom.stl
    3D View
    3Dpa Frame Mount 125 200 Lh.stl
    3D View
    3Dpa Frame Mount 125 200 Rh.stl
    3D View
    3Dpa Frame Mount 125 200 Top.stl
    3D View
    3Dpa Frame Mount 150 250 Bottom.stl
    3D View
    3Dpa Frame Mount 150 250 Lh.stl
    3D View
    3Dpa Frame Mount 150 250 Rh.stl
    3D View
    3Dpa Frame Mount 150 250 Top.stl
    3D View
    3Dpa Frame Mount 175 300 Bottom.stl
    3D View
    3Dpa Frame Mount 175 300 Lh.stl
    3D View
    3Dpa Frame Mount 175 300 Rh.stl
    3D View
    3Dpa Frame Mount 175 300 Top.stl
    3D View
    3Dpa Frame Mount 200 350 Bottom.stl
    3D View
    3Dpa Frame Mount 200 350 Lh.stl
    3D View
    3Dpa Frame Mount 200 350 Rh.stl
    3D View
    3Dpa Frame Mount 200 350 Top.stl
    3D View
    3Dpa Gearmotor Mount.stl
    3D View
    3Dpa Limit 125 200.Stl
    3D View
    3Dpa Limit 150 250.Stl
    3D View
    3Dpa Limit 175 300.Stl
    3D View
    3Dpa Limit 200 350.Stl
    3D View
    3Dpa Nut 3 175D 4 5P 12Pd.stl
    3D View
    3Dpa Nut Retainer.stl
    3D View
    3Dpa Pivot.stl
    3D View
    3Dpa Plug Holder.stl
    3D View
    3Dpa Screw 125 200 3 175D 4 5P 12Pd.stl
    3D View
    3Dpa Screw 150 250 3 175D 4 5P 12Pd.stl
    3D View
    3Dpa Screw 175 300 3 175D 4 5P 12Pd.stl
    3D View
    3Dpa Screw 200 350 3 175D 4 5P 12Pd.stl
    3D View
    3Dpa Screw Retainter.stl
    3D View
    3Dpa T5M 11T Driver.stl
    3D View
    3Dpa T5M 20 Driven.stl
    3D View
    Documents Attached
    Tags
    bearing mechanical robot engineering servo motion ball_bearing Robotics positioning Linear encoder actuator ballscrew ball_screw linear_motion mechinism rotary_encoder servo_motor
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