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Re: Degrading performance of 0.9° steppers

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Dust
Are you stepper inside a heated chamber?

Only one stepper is in an enclosed printer, but it's not heated. That one was on 12V until it stopped extruding at all. The drivers ( and I tried RAPS, TMC2100, A4988 and DRV8825 ) don't have time to overheat. It skips from the start. I replaced it with a 1.8° ...1204 stepper ( 0.4A instead of max. 2.4A ) and it works flawless.

The other steppers were on 24V in my diamond_delta. The XYZ steppers are on top, so no risk of overheating from the heatbed either.

I can feel the detents when coils are open. The difference is with shorted coils.

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