Z-Screw Cover Mod (MK3S+)
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Another Z-Screw Cover. This time with witness marker and Cylindrical dust cover.
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Updated at source:
Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- GNU General Public License v2.0
I used the stl model “z-screw-cover.stl” (Z-Axis) from @Prusa3D. I Scaled down the original cone 99.5%. The rest of the cone has been turned into a cylinder.
Reason for Creation
The scaling strengthens the parts hold on the acme screw to prevent slipping and locking up on the motor. The cylindrical shape prevents more dust from falling into the motor space. The lines add a visual representation of the printer motion.
Personal Printer Settings
Layer height: 0.10mm
Infill: 15%
Infill Pattern: Grid
Top Fill Pattern: Rectilinear
Top Solid Layer: 8
Bottom Fill Pattern: Rectilinear
Bottom Solid Layer: 7
How to replace:
- Print with the lines facing down
- Can print both at the same time (I didn't because I was troubleshooting the scale at the same time)
- Move the Z-Axis all the way up.
- Unscrew the Z-axis-top from the left side
- Unscrew the left side motor from the Z-axis-bottom
- Twist the Acme screw to release it from the X-Axis Assembly
- Remove the default z-screw-cover
- Install the new z-screw-cover (Leave cover high)
- Twist the Acme screw back onto the X-Axis Assembly
- Reinstall the screws on the Z-Axis Top and Z-Axis Bottom
- Twist the the new z-screw-cover until flush with the Z-axis-bottom
- Repeat with other side
Page 68 of the i3 MK3S Kit Assembly PDF has been included to aid if necessary for realignment.