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Prusa i3 mk3s z axis vibrating  

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Coole_Qualle
(@coole_qualle)
New Member
Prusa i3 mk3s z axis vibrating

Hi,

 

i own my prusa since September and everything was just fine. 

But for the last few days my printer has this strange vibrating sound while moving the bed. I also noticed that the printed parts tend to loose from the plate. 

I already rethightend all screws from the bed but that did not help. 

 

Thx for your Help!

 

Veröffentlicht : 14/02/2022 1:56 pm
Diem
 Diem
(@diem)
Illustrious Member

First work through this:

https://help.prusa3d.com/en/article/i3-printers-regular-maintenance_2072

Cheerio,

Veröffentlicht : 14/02/2022 2:45 pm
Coole_Qualle
(@coole_qualle)
New Member
Themenstarter answered:
RE: Prusa i3 mk3s z axis vibrating

Thank you but i already did that.

I also noticed that the vibration stops when i „push" the bed down with my other hand while moving it.

My next step would be to change the bearings, unfortunately i have to disassamble the whole printer to do so :I

I also uploaded a video of my printer to my question but it seems like it didnt work so i will upload it again with this reply 🙂

Veröffentlicht : 14/02/2022 4:10 pm
Diem
 Diem
(@diem)
Illustrious Member

Is this a harsh judder or an almost musical buzz?

With the power off, move the axis by hand; is is smooth? Does the resistance stay the same over the whole range?

Cheerio,

Veröffentlicht : 15/02/2022 12:54 pm
Mario3D
(@mario3d)
New Member
RE: Prusa i3 mk3s z axis vibrating

The bed rumbled on my new printer. After about a week of disassembly, tightening and calabration, I found defective bearings. Their foreheads (seals) were loose and made a terrible sound. It was OK after the exchange. Try it.

 

Veröffentlicht : 15/02/2022 3:41 pm
Coole_Qualle
(@coole_qualle)
New Member
Themenstarter answered:
RE: Prusa i3 mk3s z axis vibrating

Hi, 

here is a video:

 

 

I will try to change the bearings and the smooth rods. I will upload my result after that. 

 

 

Posted by: @mario3d

The bed rumbled on my new printer. After about a week of disassembly, tightening and calabration, I found defective bearings. Their foreheads (seals) were loose and made a terrible sound. It was OK after the exchange. Try it.

 

 

Veröffentlicht : 15/02/2022 5:28 pm
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