Snapmaker U1 right chamba isolation cover Z screw cover
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cover the huge gap around the Z screw so to keep main control PCB / X Y driver and PSU cool inside right panel
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fully cover the huge space around Z lead screw inside right panel
so that X, Y driver don't get 100C degree high, and better keep the main print chamber temperature higher.
This is inspired by below original design, one of many talented makers from the U1 modding maker community:
https://makerworld.com/en/models/3199797-remix-snapmaker-u1-z-screw-cover-insulation
and
But I did make this model from sketch by myself as all other makers didn't share the model step files or f3d files, only stl, almost impossible to modify.
Improvements from other similar designs in printables.com:
I shared STEP files so people can improve even more, easily.
carefully design and modified and test many times to make the top edge to cover every gap, so no obvious large gap on the top edge, to keep hot air inside print chamber better
Two body design, so easier to print, easier to modify and reprint if you want to make changes. can be printed with U1 for sure without any edge problem, can be printed with Voron 250 (250mm bed), possibly MK4 or CoreOne ( tested I can put it inside the Prusa Slicer), with 45 Degree.
rail space on left wall for Z leadscrew carriage tip, to make sure not touching and smooth move. ( no need to cut the tip from U1 's Z lead screw carriage part )
stronger top side hooks, better shape to make it stay on slightly lefter side so to keep a proper distance from Z carriage tip.
save some material on the right wall blocker for PSU.
Print Setting:
PETG should be OK, or ABS if you want to
No support is needed.
brim setting can use mouse ear as optional, or not at all.
Pro tip
with or without this mod or any chamber isolation mod, do you hear weird sound when you do print bed movement from high to low ?
that is from the heat bed cable rubbing the PSU case and inner chamber wall.
Remove the PSU (9 screws or so) and apply Silicon grease on the back of the PSU case and inner wall and heated bed cable. refer to https://wiki.snapmaker.com/en/snapmaker_u1/troubleshooting/power_supply_replacement_guide
Do not use the bundled lithium grease with the purchase of printer, that is for metal only, it damages plastic or so I heard.
After that, when moving heated bed , shouldn't hear any weird sound.
also check this 80mm Fan Mount solution