Ender 3/Pro/V2/Voxelab Aquila - Z-Axis Stabilizer using 616mm GT-2 Timing Belt and F688ZZ Flanged Ball Bearing
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My design inspired by https://www.printables.com/model/297090-ender-3prov2-z-axis-stabilizer-and-timing-belt
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I haven't done much printing, but I found that neither of my printers care for having the timing belt system going. They were both printing like crap, so for an acid test I took this off both any they started printing great again. So at least for me, this didn't work out. So I just wanted to let everyone know this before they try it.
James Burroughs.
UPDATE JANUARY 11, 2023:
I discovered that the belt naturally wants to climb and will eventually push the cap up and off. I redesigned it so the cap screws onto the Lead Screw Belt Gear. Now there is zero chance for the belt to move. The Gear seats onto the lead screw much better now. The push on versions have been removed.
I originally downloaded Ghostrider's version which is pretty good but for me had some issues and I wanted to change a couple of things.
Here is Ghostrider's version https://www.printables.com/model/297090-ender-3prov2-z-axis-stabilizer-and-timing-belt
I changed the inside of the Gear to match my Lead Screw Coupler threads, and now the stabilizer gear screws threads onto the lead screw and is then locked down via the set screw. I Made a flat style cap that simply snaps on after the belt is slid on. The gear has an M4 nut slot and screw hole on one side only. I redesigned the Guide so there is less material in the way of the rotating set screw to catch on. I chamfered the edges for a smooth flow around the bearing so the set screw wont catch anywhere. I made the Bearing slot freer so the bearing doesn't catch in the slot but doesn't allow any lateral movements either. I recessed the screw heads 2mm and now only 12mm's of threads are needed for the T-Nuts to work. Holes are 4.4mm's so that the screw slides free inside. All tested and works great. Big Thanks to Ghostrider for giving me the idea and making such a great model to begin with. I did not list this as a remix because I actually only remixed the concept.
EDIT:
Forgot to add the belt and bearing info from Ghostrider's thread.
Here is the Timing Belt on Amazon:
https://www.amazon.com/gp/product/B08JHVCZ8D/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
The Ball Bearings: