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Mux' universal dampener foot

by mux, published

Mux' universal dampener foot by mux Jun 20, 2013

Description

This is a simple bending spring foot that dampens the conducted vibrations from your printer to whatever surface it's standing on. These feet clip onto any M8 threaded or smooth rod. It is extremely effective at decoupling low frequency noise from a surface. The feet have holes for permanent mounting on a surface. Also, as my printer is pretty heavy, these feet are very strong and will easily support a heavy prusa i3 with filament reel on top. The clips are very snug and secure.

In order to dampen higher frequency noise as well, add a little bit of PU insulation material (foam) under the foot as shown in the application image.

The combination of 4 of these feet and the insulation material made that I cannot hear the printer anymore behind a door. Airborne noise is already blocked pretty well by the door, but without the feet, the table it's standing on as well as my floor acted like a sound board. Other spring feet, like vector's feet (http://www.thingiverse.com/thing:21855) didn't fit my printer.

The model is designed in CATIA, CATPart file can be downloaded and modified if you wish.

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i posted a pic of the one i made. the problem came because the z-steppers on either side were too far from the feet and basically behaved as a teeter-totter when the x-carriage moved left & right. either way, great design, i had fun making them.

Ah, then your printer has a heavier/faster accelerating platform than this was designed for. This is what the mounting hole(s) are for, you can screw it down to whatever the printer is standing on.

unfortunately attaching these to the M8 threaded rods just made the whole printer jiggle alot. when i have time i might make a remix of this to use with the wood box frame edges

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Instructions

Printing tips: I printed mine with PLA, 0.35mm nozzle, 0.25mm layer height, hexagonal fill 40% on Marlin firmware. Firmware with curve look-ahead (like Marlin) is highly recommended, as the feet derive much of their strength and flexibility from the continuous curve of the perimeters.

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unknownsector on Aug 3, 2013 said:

thanks for making this, I used 4 of them on my makerfarm prusa i3. hope it limits desk vibrations, going to test it soon.

unknownsector on Aug 3, 2013 said:

unfortunately attaching these to the M8 threaded rods just made the whole printer jiggle alot. when i have time i might make a remix of this to use with the wood box frame edges

yzorg on Jun 20, 2013 said:

Cool. i had my printer hanging from the ceiling one time.. ;)

Nice for transport of the printer in cardboardbox..
add some more of your dampenerfeet in 90° angle.. to all sides.

mux on Jun 20, 2013 said:

I like the idea (and think it would work pretty well, especially for a prusa mendel), but it will cost quite a lot of filament with this design. Maybe it's better to use a more economical type of spring clip for packing.

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