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Post by josh261 on Jan 18, 2020 0:15:26 GMT
I’m in the testing phase of my build, moving 1mm at a time. My Z axis is making a weird noise while trying to go up. See video. The coupler is tight and it doesn’t appear the lead screw is slipping. It’s like a grinding noise. Going down is nice and smooth.
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Post by Derek the Admin on Jan 18, 2020 12:24:31 GMT
Josh,
I did not see a video linked or attached.
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Post by Bruce on Jan 25, 2020 4:49:55 GMT
Sounds like the motor is skipping? Maybe check the current limit setting of the stepper driver. Or there might be some binding...but if it is moving downward easy it sounds like the motor doesn't have enough torque to move the Z axis upward.
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