RE: Bad Vibrations
Yes it’s hard to catch on camera as the mic doesn’t catch every sound at the same level. In real life it’s really bad resonance noises.
The motor noises don’t bother me, and believe me I know what I’m talking about when I said it’s not « normal » sounds from a good printer.
RE: Bad Vibrations
I gotcha - yeah I do understand what you mean and its good to know the video didn't quite pick it up. I have heard some pretty loud resonance noises out of my Core One and other printers. My MK4 was very bad about it until I learned that a single bolt on the bed was loose and it dramatically lowered the noise of my first layer.
RE: Bad Vibrations
Here are other examples: https://imgur.com/a/Hs0jhml
On the first video it happened on the 60° angle back left.
On the videos with small red cube it happened on the internal perimeter (80mm/s)
On the 2 others with my SnapBack wall mount it’s on the big round external perimeter.
I don’t know if you can hear resonance noises.
RE: Bad Vibrations
Hi guys,
what do you think about this one?
I measured over 71dB while he yelled at me instead of regular 45-55db.
RE: Bad Vibrations
Can you host the video on imgur.com instead of Wetransfer please? It will be easier for everyone to watch it. 🙂
Hi guys,
what do you think about this one?
I measured over 71dB while he yelled at me instead of regular 45-55db.
RE: Bad Vibrations
Hi guys,
what do you think about this one?
I measured over 71dB while he yelled at me instead of regular 45-55db.
RE: Bad Vibrations
I measured mine at 53dB and 63dB when making the loud vibration noises, my phone was placed in front of the screen on a cloth. When I spoke with Prusa support they said this was normal, they were not concerened with the loud vibration noises.
I found reducing the speed to 85-93% seemed to reduce the noises a lot, but this seemed to be dependant on the model shape.
Hi guys,
what do you think about this one?
I measured over 71dB while he yelled at me instead of regular 45-55db.
RE: Bad Vibrations
That is the opposite of what I experience. The print from the video was printed with the 0.20 Structural / generic PETG profile and the speed was reduced to 90% on the printer. If I print significantly faster >150% or even <50% slower then it becomes quieter.
The model only has an influence here to the extent that only certain movements (direction/speed) of the print head trigger the loud noises.
Unfortunately i'm still waiting for a reply from Prusa support.
I found reducing the speed to 85-93% seemed to reduce the noises a lot, but this seemed to be dependant on the model shape.
Hi guys,
what do you think about this one?
I measured over 71dB while he yelled at me instead of regular 45-55db.
RE:
Yep it's just a matter of specific speeds (so frequencies) of each axis that enter in resonance with the all printer or at least part of it.
In theory phase stepping should correct that by avoiding those speeds/frequencies.
So yes, changing speed will also change frequency and may help to avoid the bad once, but it's extremely dependent on the object you print (shape, linear speeds involved etc). For example, reducing speed to 90% may work for a specific print, but may trigger the bad speeds/frequencies on another.
RE: Bad Vibrations
I also experience the bad loud vibrations. I mentioned it right away in a facebook group and got the ... internet shrug/gaslighting.. I adjusted/tuned my belts and run the machine at stealth mode and that has helped some. I am waiting for the firmware upgrade before I adventure into adding sound deadening to panels. I too found the noise so loud to the point I almost didn't want to use the printer. I'm glad I am not alone. Look forward to the eventual fix. After hearing the XL was the same I am not going to stress about it.
RE: Bad Vibrations
As I was not inclined to partially dismantle the printer for further troubleshooting, I decided to return it. If I had wanted to tinker, I would have pre-ordered the kit.
Basically, I'm very happy with the printer but I can't accept the noise. Unfortunately, the out of the box experience and the much praised support did not satisfy my expectations. It was good to get a choice between repair and refund, I would have chosen the repair but the expected waiting time (few weeks) was too long for me.
So maybe I'll give the Core One a second chance in the near future.
RE:
We got one as well and it does vibrate a bit but then nothing compared to the XL we have.