The most Simple mini Linear Actuator | 3D Printed

The mini actuator's compact size enables integration into small-scale projects, such as robotics, drones, or medical devices; making it suitable for applications requiring accurate positioning or movement. The N20 gear motor and M4 lead screw combination offers a high force-to-size ratio, allowing for significant force output in a small package.

STL : cults3d.com/en/3d-model/various/3d-printed-linear-…


Materials Needed
N20 gear motor - (1qty)
M4 nut and bolt (as lead screw) - (1qty)
3D printed parts (actuator body, motor mount, and end caps)
11mm OD , 4mm ID Bearings - (2qty)

Assembly Process
1. Motor Mount: Attach the N20 gear motor to the 3D printed motor mount, ensuring secure fixation.
2. Lead Screw: Insert the M4 bolt into the 3D printed actuator body, threading the M4 nut onto the bolt.
3. Actuator Body: Assemble the actuator body, attaching the motor mount and end caps.
4. Motor Connection: Connect the motor to the lead screw (M4 bolt), ensuring smooth rotation.
5. Final Assembly: Complete the actuator assembly, adding bearings or bushings if necessary.