Prusa XL vibration damping feed
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These feet use foam pads to reduce the vibrations transmitted to the worktable and therefore reducing sound.
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Updated at source:
Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- GNU General Public License v2.0
I really liked the idea of putting better vibration absorbing feed under the XL. Instead of putting the foam pads under the existing TPU-feed like Extrutim, I designed a simple holder for the same foam pads.
These are the foam pads I used: https://amzn.eu/d/cL1VJBX
They have the same size as the Concertmeister ones. As for the weight rating I went for the green ones (15-30kg), as the weight rating is for 4 foam pads. In the end I used all 8 pads, as the weight distribution of XL is very back heavy. I noticed much more sag in the back (even with 4 pad), so I put 6 pads in the back and is more balanced now. So maybe the pink pads are more ideal.
There are two version:
An M3 Version, that uses the same T-slot-nut and screw as the TPU-feed. Just unscrew the old feed and use the parts to fix the printed feed.
Then there's the M5 Version, that I used with standard hammer-nuts and a M5x12 ISO7380 Button Head screw.
As for the print settings I used Prusament PC-CF with 3 perimeters and 40% infill. That should be more than enough, as the grid infill handles the compression quite well.