a planetary gearbox for Nema 11 stepper.
you can mount at the front or back side.
I will use it for a cnc tailstock on my Unimat SL lathe :-)
createt with OpenScad, you can change everything.
1 stack 1:3.75
2 stack 1:14.0625 and so on
(sorry for my bad english)
It's working :-) Video
- on right side front mount with one stack
- on left side back mount with two stack
What you need:
a piece of 5mm rod
2x or 4x M2.5 ca 5mm Bolt
2x M3 Setscrew
2x M3 Nuts
2x M3 10mm Bolt
print the case with support
cut M3 thread for the rod and rotor
Note: Back and Front Mount not compatible, because i change the Modul: 1.15 to 1.19