Is this sound normal?
It is the prusa i3 mk2
It seems a bit noisy to me. Too much current and the frame is amplifying the noise, I think.
@NathanielStenzel it makes the same noise just less amplified with silent mode on…
Take a closer look at the video. I’m on my phone. But it looks like the shaft may be bent or the gear is a bit off center of its axis. A bent shaft can cause issues so make sure you rule that out.
I doubt that silent mode decreases all of the current. I think it just rounds out the signal that it gets some. Regardless, I took this post out of the hold queue after making the first reply, so others will be able to give their opinions.
@NathanielStenzel thanks
BTW I already sent the video to prusa and am waiting for a response
@Greg_Copeland I am looking at it on a 7" tablet. I do not think the motor is hooked up to a belt or gear. It looks like it has a pulley on it. As for what is in the background, I can not tell if those are belts or leadscrews to be honest. If he does have bent leadscrews, you may have answered the next question he will ask us all.
@NathanielStenzel no the motor is not hooked up to a belt right now but with tension the noise gets worse
@Max_Moors with the mount amplifying the noise that much, I sure would believe it.
At the speed it moves during calibration, etc, mine makes that horrible vibrating noise. During prints when it’s moving at different speeds it’s nowhere near as bad. Not great, but not as wincing as that.
I would advise that the next time they make a video for sound checks that they have some other sound once or twice in the video so that we can judge the volume properly.
Given the character of the sound, I’d guess the current is set a bit high. Go double check your current setting. Also, are all your bits done up and not resonating? Otherwise, it sounds nearly right.
@Duncan_Gunn I wonder what you mean by “bits done up”. Do you mean “screws tightened securely”?
@Duncan_Gunn what??? I don’t know what you said.
This was a preassembled kit I bought from Prusa I don’t know much about the current set on the steppers
@Josef_Prusa , do the current settings sometimes get set a bit high or have a screw adjustment that can wiggle high during shipping? Any reports of screws loosening during shipping?
Currents are set digitally on the RAMBo Mini the MK2 uses, so there’s going to be almost no deviation from one machine to the next.
It sounds like whatever surface you’ve got your printer sitting on is resonating along, which is normal. Have you tried setting the printer on the floor or a harder surface?
Stepper motors are rarely perfectly quiet, and the “high power” mode on the MK2 is even less so. Try and keep it in “silent” unless you’re seeing skipped steps on your particular prints.
@Thomas_Sanladerer hey Thomas. The printer is sitting on a small table. I usually put the anti vibration feet under the printer but it still makes that kind of noise.
I have also never managed to print a 100% successful Marvin as it always has some weird lines. Here is a picture of it:
BTW, I printed the Marvin that is on the SD card.
(The ring at the top was me breaking it)
https://plus.google.com/photos/118270370108535951469/albums/6374624713890475601/6374624714778221506
Here is a sample with the rods lubricated and motor bearings lubricated
https://photos.google.com/share/AF1QipN1CgukkskWA_l05aHfMkNcx0yc0FEu3A2Ns0UKXXVE27Mtev16BbRiSOU_A4RX2A?key=VmZFeERHRHZUcTd2UUt0STdDYmg5T1d1dU90QnBn
Duplicates and shortened URLs. Could you please fix that?