Silent Wheels for the Prusa IKEA Lack Enclosure Adjustable Spool Holder

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After having finished the Prusa Lack enclosure from https://www.prusaprinters.org/cheap-simple-3d-printer-enclosure/ I printed the adjustable spool holder from https://www.thingiverse.com/thing:2867521 which is a really clever idea for the lack enclosure.But the noise of the spools scratching on the non spinning wheels was a bit annoying. (see video on https://www.youtube.com/watch?v=qeYDtfeeHPA - the original wheel isn't moving)So I replaced the axles and the wheels by using a ball bearing (8x22x7) with a printed tread and a matching two-part axle.It fits perfectly into the holder and is really silent. The treads of the wheels are 9mm wide and have a small lip to center the ball bearing.just slide in a bearing (usually no need to glue it - but depends on your dimensional accuracy), insert a square nut in the axle part, insert both axle parts in the bearing and screw it together.maybe consider to sand the tread to make it smooth Happy silent printing :-) I used a M3x20 screw with a M3 square nut to assemble the axle.

Author:
uepsie

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