EnderXY - Better Belt Tensioners
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Better belt tensioners for the EnderXY
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial
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These are a direct replacement for the belt tensioners on the EnderXY.
The stock tensioners have many issues when running higher speeds/accel such as belts slowly coming loose, rattling and just overall slop.
I wanted something that was a direct swap without having to remove and adjust the belts. I will eventually make a “stubby” version as there's no need for them to be as long as they are.
I have 100+ hours tested on this design before uploading so please let me know if you find any issues.
Video of design and belt adjustment:
Key Points:
- Direct swap, same amount of adjustment.
- Single M3 screw to adjust tension.
- Much finer adjustment compared to the knob.
- Zero slop with tighter tolerances.
- Zero flex.
- Idler/belt window.
Required Hardware:
- 2x M3 35mm (Can be full or half threaded).
- 2x M3 square nut.
- 4x M5 8mm.
- 4x M5 sprint nut or T nut.
- 4x M5 0.5mm washers.
- 2x M5 Nyloc nut (Use one from the stock tensioner bracket).
- 2x M5 20mm Socket head screw (Use the one from the stock tensioner).
- 2x Original idler from stock tensioners (I use smooth ones from Mellow).
Printing:
I've orientated the parts to how they should be printed.
Installation:
Tolerances are tight so depending on your printer you may need to file some areas for fitment.
Can be a bit fiddly to install but I'd recommend you put the housing onto the extrusion first.
