Prusa makes clunking sound and prints show bumps on base
 
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Prusa makes clunking sound and prints show bumps on base  

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SR71 BLAC
(@sr71-blac)
New Member
Prusa makes clunking sound and prints show bumps on base

My Prusa I3 MK3S makes a stange clunking sound when it moves and it seems to be linked with the odd bumps I find on the bottom of my prints.

Can anyone suggest how I might solve this please?

Veröffentlicht : 30/01/2021 12:06 pm
Diem
 Diem
(@diem)
Illustrious Member
RE: Prusa makes clunking sound and prints show bumps on base

I don't think the two are related.

The 'bumps' suggest your first layer Z setting is very sightly off, probably too low.  Redo the calibration but take note of your current live Z value before you make changes so you can easily get back and re-do as you are so close it would be easy to overshoot.

The clunking sounds like one of your X or Y motors, drive pullys or idler bearings needs attention.  To narrow down the culprit listen for the clunks when moving along just one axis at a time.  If the culprit is not obvious come back and we'll see if we can help.

Cheerio,

 

Veröffentlicht : 30/01/2021 2:41 pm
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SR71 BLAC
(@sr71-blac)
New Member
Themenstarter answered:
RE: Prusa makes clunking sound and prints show bumps on base

@diem

Thanks for your response! I'll give it a shot and see what happens

Veröffentlicht : 30/01/2021 6:35 pm
cwbullet
(@cwbullet)
Mitglied
RE: Prusa makes clunking sound and prints show bumps on base

@sr71-blac

I would try raising your Z if the bumps appear wavy.  

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Chuck H
3D Printer Review Blog

Veröffentlicht : 30/01/2021 9:11 pm
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