Solenoid linear motion to rotation

[rjtshrm]

Hi @hjonnala , Just needed to know how did you transform the solenoid linear motion to sorter rotation. Did you use some kind of gears to the conversion form linear to rotation because as far I know solenoid mover in one direction (front or back). Another option is to use Stepper motor which is kind of expensive.

[hjonnala]

Hello..The mechanism we used is actually provided as 3D files here: https://github.com/google-coral/project-teachable-sorter/tree/master/3D_files/tippy

These are designed to be FDM printed, and turn the solenoids motion into the tippy thing that's seen in the video. The solenoid sits in the part called solenoidholder.stl, which should be adhered to the tab onbody.stl. Then the solenoid's output shaft can be connected to the part called track.stl with a small, rigid linkage, we used a paperclip.

[rjtshrm]

Do you have a pic of back surface because it would be hard to understand how does it rotate the track in either direction.

[hjonnala]

Here is the image and small cam looking part that used to create the motion needed: https://github.com/hjonnala/snippets/blob/main/cam.stl

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