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Left belt seize/jump/binds through motion
Hey guys !
While doing 45° movement along the left motor axis, the belt of one of my print get somehow stuck or bind, which result in jagged motion, whether it's moved by the stepper or by hand.
This result in layer shift throughout the print.
The printer is about 1 year old and motion was fine until layer shift began to happen a few weeks ago.
I fully disassembled the motor assembly, cleaned the associated bearings, checked the stepper is fine, played with pulley height, and changed both belt.
The was some unusual black powder in the motor/bearing assembly, which I assume was some belt-wearing dust.
Linear rails are not biding at all, and movement along the right motor axis are fine.
I'm out of idea :pepehands: and looking for suggestions/things to try.
Thanks for reading ! :ratrig_heart:
While doing 45° movement along the left motor axis, the belt of one of my print get somehow stuck or bind, which result in jagged motion, whether it's moved by the stepper or by hand.
This result in layer shift throughout the print.
The printer is about 1 year old and motion was fine until layer shift began to happen a few weeks ago.
I fully disassembled the motor assembly, cleaned the associated bearings, checked the stepper is fine, played with pulley height, and changed both belt.
The was some unusual black powder in the motor/bearing assembly, which I assume was some belt-wearing dust.
Linear rails are not biding at all, and movement along the right motor axis are fine.
I'm out of idea :pepehands: and looking for suggestions/things to try.
Thanks for reading ! :ratrig_heart:
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