@Craig_Fazekas Welcome to the small exclusive club of failed stepper motor owners.
The fact that the problem is following the motor rules out the drivers and likely the main board connections as well. I agree with Ryan on the final checklist but it looks like a new motor is on the radar for you.
If you can wiggle the cables with the motor under power and get the jitter to stop and start at will that is a smoking gun indication of a cable short. Moving the motor around likely opened up the short.
Now its back to your original question… and my suggestion would be to buy the same motor.
yayy, broken motor club lol
i have given both the Z-axis motors a spin by hand with power disconnected. the motor that was formally the extruder, feel significantly stiffer, than the other.
im going to assume this might be a problem with the bearings
in regards to buying a new motor, im still considering buying a larger one, perhaps Nema 23, as they don’t cost that much more than the one im replacing.
I would like to know if the board i have can support this motor, as it is 2.8amps instead of the 1.5amps that old motors are.
i don’t really know much about electronics. does this board only push 1.5amps to where the motors connect? or can it push the 2.8amps that nema 23’s require… i assume the nema 23 needs the full 2.8amps to work effectively.
does adjusting the pots on the driver chips increase the amperage going to the motor? would i just turn it up for a larger motor?
do you guys know anything on this subject?
Max current is primarily limited by your stepper drivers. Most likely, you won’t get more than 1.5-2A out of them without them overheating and cutting out. A NEMA 23 running at 1.5A will probably give you a bit more torque but have a lower top speed than a NEMA 17. It will depend a lot on motor selection and specs though.