Vibration dampener  

Re: Vibration dampener

Hi Hitari,

I also printed the mini version 🙂 Very nice idea as my enclosure is pretty tight 🙂

Noise reduction is remarkable! i wold say its 50 % less or even more! And that just with the mini ones 🙂

I use accousic foam to get rid of the high sqeeking and fan noises and it works really well together with your feet!

I now have a printer noise about 20-35 db but mostly in the twenty range 🙂

The next thing i want to do is getting some nema dampeners. to reduce X and Y noise even further. Any ideas about those, do they work ?

Hitari what height do your "not mini" dampeners have ?

Could i print the feet also in flex?

Edit: To dampen the noise further i just printed these: http://www.thingiverse.com/thing:838816 . Did not have the time to install them yet...

THEY WORK! Reduction of noise is about 40-50%. I don't even hear the printer now when im 3 meters away 🙂

Thanks a lot!

Re: Vibration dampener

Unfortunately, the frame itself is not firm enough to keep its geometry without good support of flat surface. After some time you will end up with Y axis twisted more or less.

Is the frame really that susceptible to getting out of alignment? I just ordered the MK2, and want to do as good a job building it as I can, but this seems troubling. I don't expect to be moving it around often, but if I lift it up to check a motor, or wiring, does that throw the whole thing out of alignment?

Thanks,

John

Re: Vibration dampener

The next thing i want to do is getting some nema dampeners. to reduce X and Y noise even further. Any ideas about those, do they work ?

Edit: To dampen the noise further i just printed these: http://www.thingiverse.com/thing:838816 . Did not have the time to install them yet...

THEY WORK! Reduction of noise is about 40-50%. I don't even hear the printer now when im 3 meters away 🙂

I've wondered about these as well. I've considered them (was looking at a 3mm cork version) for my current Delta-style printer, but didn't add them (at least not yet).

As I'll be building my MK2 in the next week or so, I wondered about using them here. Is there the same concern about damping in places where it wasn't designed, such that these could actually cause a problem?

Thanks for any input.

John

Re: Vibration dampener

John try Astrosyn dampers for your delta printer and you will quickly forget about cork and flex :-). I am using it on my Kossel Mini.

As for i3, you cant use it with Y axis motor without holder modification.

Re: Vibration dampener

Is the frame really that susceptible to getting out of alignment?
When properly assembled, it most likely will work well, as it does for many other users.

Re: Vibration dampener

My MK2 working will white dampers, no issues with quality or construction.

We no polling functionality in forums, then we could easy find out how widespread is some issue or how good somethings is working.

Re: Vibration dampener

Yes they do need to allow for polls but then again they might be surprised by some of the polls that are started 😮

Re: Vibration dampener

Hi guys

@JohnOCFII, i personally don't think so. The frame is very rigid and it has now in the mk2 version the bonus of being fixed with the psu so i think the changes of that are minimal.

@Roman and John
I know about Astrosyn and i wonder if they are really as good as they are hyped ?
Also as far as i know it is not possible to use them on the Z-Motors as it would shorten the threaded rod too much.
For these two motors i'm glad to have these flex dampeners 🙂 Additionally i would not want to put that on the E motor as it probably could introduce an angle drag downwards and does fix it onyl with two

I wold use them on the Y and X motors but i find they are quite pricey and here in Germany not easy to come by (if you want the original) and not some cheap china knockoff.

Also i don't see a way to use them with the Y motor shaft as it uses the two holes directly below and not directional. So i'm left with only one....

Any ideas ? Or has someone redesigned the y motor shaft for the Astrosyn?

Roman, how big is the gap between the two metal holders ?

Re: Vibration dampener

With classic cork and flex dampers, vibrations are still transferred through M3 screws, thats why they have very small impact on noise reduction.

There is no need to use any dampers on Z and E motors in my opinion.

I dont plan any motor dampers on my MK2s, its quiet enough in silent mode (printers are on rubber pad).

Re: Vibration dampener

With classic cork and flex dampers, vibrations are still transferred through M3 screws, thats why they have very small impact on noise reduction.

Good point - the screws would still transfer some noise. It does seem that others have heard improvements. Thanks for the pointer to the Astrosyn dampers too. Very interesting.

Re: Vibration dampener

@JohnOCFII, i personally don't think so. The frame is very rigid and it has now in the mk2 version the bonus of being fixed with the psu so i think the changes of that are minimal.

When properly assembled, it most likely will work well, as it does for many other users.

Thanks, Manuel and David.

Re: Vibration dampener

Hi guys

...

Also i don't see a way to use them with the Y motor shaft as it uses the two holes directly below and not directional. So i'm left with only one....

Any ideas ? Or has someone redesigned the y motor shaft for the Astrosyn?

Roman, how big is the gap between the two metal holders ?

I do have a redesigned Y-Axis motor mount available on TinkerCAD.com. I've been using it almost as long as I've had my printer.