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Left delrin nut rattles.  

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Ckobar
(@ckobar)
Trusted Member
Left delrin nut rattles.

Hi, I got my printer two weeks now. Most of the time it’s printing 😊. And I’m happy so far.

the last days I noticed it got a little louder when moving the z axis. I first thought may something is ratteling on the desk.

But a few moments ago I found the course. If I move the left motor up and down a little I can see, hear and feel the delrin nut moving on the threaded rod. On the right side that’s almost not noticeable. It wasn‘t ther in the beginning, so the nut has worn out already ??

anyone else experienced that too ?

Christian 

This topic was modified 1 year ago by Ckobar
Posted : 29/08/2023 9:14 pm
Fil4ment
(@fil4ment)
Trusted Member
RE: Left delrin nut rattles.

You shouldn't be able to move the motor in it's mount. The Delrin nuts are supposed to be a slightly loose fit in the acme threaded rod. It sounds like your left z-axis motor is loose. You should realign and tighten it.

Posted : 29/08/2023 10:17 pm
Ckobar
(@ckobar)
Trusted Member
Topic starter answered:
RE: Left delrin nut rattles.

Hi, i did not describe the problem correct.  Ther is nothing wrong with the motor.

I just grabbed the X-carridge (by the X-carridge-motor) and moved the x-carridge  up an down . And one can see, that the delrin trapezoid nut is a little lose on the threaded rod.

the movement is hardly seen in the clip i took yesterday night. but you can hear the noise.  have to make a new shot with a steady camera 🙂

 

I did a print over night. And the rumbling (not ratteling) is quite annoying.

IMG_6911

Posted : 30/08/2023 6:12 am
Ckobar
(@ckobar)
Trusted Member
Topic starter answered:
RE: Left delrin Trapezoid nut is loose on the thread rod

so its a low frequency rumble, due to the movement of the z-axis

 

just for clarification

Posted : 30/08/2023 12:11 pm
Ckobar
(@ckobar)
Trusted Member
Topic starter answered:
RE: Left delrin nut rattles.

Yes exactly

Posted : 30/08/2023 4:37 pm
Fil4ment
(@fil4ment)
Trusted Member
RE: Left delrin nut rattles.

in my printer, there is, and has always been, a little slop in the nuts, and a rumble when z is moving a lot. I think that's normal. If you're worried about it, I would check the alignment of the threaded rods, per the assembly manual.

Posted : 31/08/2023 5:30 pm
Ckobar
(@ckobar)
Trusted Member
Topic starter answered:
RE: Left delrin nut rattles.

the alignment is fine,

i printed some nuts and will tune them with a thread cutter. I will tell you the result.

Posted : 31/08/2023 7:19 pm
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