Hey there, I recently bought a 30:1 Metal Gearmotor 37Dx68L mm 12V with 64 CPR Encoder (Helical Pinion) to use for a project, and accidentally hit the shaft of it while trying to fit in a universal mounting hub. This made a part of the shaft to be loose.
Do you guys have any ideas on how to stop it from slipping off to the end of the shaft? Here’s what it looks like when it does:
and here’s what it looks like when I push it back on.