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Swissengineer

Brand new UM3E Lots of noise when loading PVA

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Hello everyone,

Just got ma new UM3E,

printed a few things with no problem with PLA. And no problems with loading or unloading.

But when I load the PVA into the feeder on the back, and the feeder goes in full speed to load, and it makes A LOT of noise (like cracking), I tried with PLA had no problem. Do you guys had the same thing? Is it normal?

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I might be 100% wrong but I think your BB core needs an atomic (or 6). PVA is quite hard and is very hard to get a bite like that unless you adjusted the print temp or speed from a profile without compensating both.

Please try to clean it

https://ultimaker.com/en/resources/23132-maintaining-the-bb-print-core

The 'sounds' happen more when PVA is getting cooked on the core.

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