PCB etchant shaker
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A simple device to automatically shake the etchant solution for faster PCB etching.
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
A simple device to automatically shake the etchant solution for faster PCB etching.
required hardware:
m2 screws, nuts, threaded inserts
flip switch
plastic container
super glue
geared TT style dc motor
usb c power breakout board
voltage regulator/buck convert/3 diodes in series
assembly and wiring:
1. insert the brass threaded inserts into the two holes on the motor
2. screw in the motor with an m2 screw into its designated place, use 2 washers and a nut between the motor and inner wall to provide the correct amount of spacing
3. insert the con rod into the flywheel (both in disk stl file), and glue on the cap.
4. insert the flywheel into the motor shaft and glue it
5. glue the half circle cap onto the half circle area on the top part (both in the top stl)
6. insert the large rod through the top part and glue on the cap of the rod
7. glue the whole rod onto the bottom part (make sure that the top part still can't move)
8. wire the switch and the motor to the usb c port and attach them and use something to drop the voltage for 5v to around 3 to slow down the motor.
9. attach the the con rod to the top part and print two of the disk-part 3 and use them to squish the con rod
10. Glue the plastic container on top
11. forgive me for the bad instructions and weird assembly steps
If you make it, please leave a comment.