Hi, I am trying to replace the extruder with a better quality one than what comes stock with the printer. The issue I’m running into is that the stepper motor shaft does not have a flat side, it’s just round with the gear built on it. I guess this is not the case will all ender 2 pros? When trying to look for a new stepper motor, it seems difficult to know if what I am purchasing is actually for my model printer. Could someone verify for me exactly what I need to get for this printer?
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For what it’s worth when I purchased an extruder upgrade I had to get a new motor. The motor on my Ender 3 pro had a press fit gear on the motor arm and it was too short to fit the dual gear extruder (I did manage to get the press fit off only to realize the arm was too short).
If you’re able to order from Amazon, or a similar store with a decent return or exchange policy, I’d just get what you think you will need and return or exchange as necessary.
If you want to pull the gear off the end of the stepper you have there’s gear pullers you can print that will do the job, other wise just match the size mean 17 40mm. Just make sure to check the point on the motor when you get it to make sure it matches what creality has going on.
Are you trying to replace your extruder assembly or just the extruder stepper motor? If just the motor, what is making you want to replace it?
If you can afford it just nuy a stepper motor neman 17 make sure the connector is the same. Get a 3 pack they are all the same.