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Under extrusion after printing overhangs  

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QualityPrints11
(@qualityprints11)
Active Member
Under extrusion after printing overhangs

I've noticed that after printing an overhang, I get a pretty noticeable under extrusion line.  The object I printed below was printed in the orientation shown,

 

I've calibrated my extrusion multiplier and linear advanced.  I've messed around with various overhang speeds from 10-25 mm/s (with "detect bridge perimeters" on) and also saw no improvement.  I've performed a cold pull and everything is clean.  Anyone got any ideas how to fix this?  

Here's the part to look over my print settings: Overhang test

Questa discussione è stata modificata 6 months fa da QualityPrints11
Postato : 11/05/2024 8:29 pm
Lian
 Lian
(@lian)
Utenti
RE: Under extrusion after printing overhangs

 

Posted by: @qualityprints11

I've noticed that after printing an overhang, I get a pretty noticeable under extrusion line.  The object I printed below was printed in the orientation shown,

 

I've calibrated my extrusion multiplier and linear advanced.  I've messed around with various overhang speeds from 10-25 mm/s (with "detect bridge perimeters" on) and also saw no improvement.  I've performed a cold pull and everything is clean.  Anyone got any ideas how to fix this?  

Here's the part to look over my print settings: Overhang test

Hello, 

I have the same problem. Have you found a solution?

Kind regards

Postato : 02/06/2024 7:01 am
QualityPrints11
(@qualityprints11)
Active Member
Topic starter answered:
RE: Under extrusion after printing overhangs

I've tried a lot of things and unfortunately couldn't find a fix to it.  The under extruded lines are really only visible under certain lighting at certain angles, so I could get away with it.  It was just something I noticed and wanted to see if there was any way to resolve it.

Postato : 02/06/2024 4:05 pm
Lian
 Lian
(@lian)
Utenti
RE: Under extrusion after printing overhangs

Same for me so far. What is strange, that I can find the lines also on other objects on the same hight if I print multiple objects on the same print bed. Today I contacted the Bambu Lab support. Lets see what they say. I will keep you updated. 

Postato : 02/06/2024 4:14 pm
Lian
 Lian
(@lian)
Utenti
RE: Under extrusion after printing overhangs

Hi, I tried the last couple of weeks to solve the issue. Sadly with no success. I posted my experiece with the company and the seller on the trustpilot page if you are interested. 

https://www.trustpilot.com/users/669f616bc881283a0ef59544

Kind regards

Florian

Postato : 23/07/2024 11:22 am
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