Decoupler for Anti-Backlash Z Screw Nuts
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Allows your Z screws to run straight. Optionally allows nut to slip left/right like an Oldham coupler.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution
Bracket that allows Z-screw nut to be adjusted in X and Y directions. Works with stock nut or Anti-Backlash replacement.
Locked-Down:
Print the bracket and 2mm washer.
Slippery X:
Print in PETG for less friction. Sand contact surfaces. If the 2mm washer is too tight, sand the washer top and bottom surfaces, reprint with the Z scaled smaller, or use the 1.5mm washer instead.
If using the stock nut, orient the nut's flange up.
Assemble with the screws slightly loose and run your Z axis top to bottom a few times before tightening.
IMPORTANT: Check the mount screws occasionally. Z-hop wiggles them and they can work loose over time.