Brass Z Axis Coupler Dual Z T8 Lead Screw Upgrade Oldham Coupling Kit Compensate Rod Wabble Correct Z Banding Issue for Creality Ender 3/5 Pro V2 S1 Neo CR10 S4 S5 3D Printer 8mm Threaded Rod

I recently purchased the Brass Z Axis Coupler Dual Z for my Ender 3 3D printer to address an issue I was having with Z banding. After installing the coupler, I was pleasantly surprised at the improvement in print quality. The coupler helped to eliminate the Z banding issue that I had been experiencing, resulting in much smoother and more consistent prints.The quality of the coupler itself is also impressive - the brass construction feels solid and durable, and the fit and finish is excellent. The installation process was straightforward and the coupler fit perfectly with my printer.I also appreciated the fact that the coupler allows for dual Z-axis synchronization, which further helps to improve print accuracy and consistency.Overall, I am extremely satisfied with my purchase of the Brass Z Axis Coupler Dual Z. It has helped to significantly improve the quality of my prints and eliminate an issue that had been causing frustration for some time. I would highly recommend this product to anyone who is experiencing Z banding issues with their Ender 3 or other 3D printer.

The coupler was so tight that it had no movement along either axis. Poor quality control. Coupler from Creativity works great. This one is bad!

I added these to my Ender 3 S1 along with flexible couplers on the stepper motors, and the combination of those two things has solved my z banding issues. My prints are now coming out very nicely and tree supports no longer get broken by the nozzle. That being said, the brass oldham couplers you get may need a little bit of fine-grit sanding to help loosen up the tolerances between the pieces. One of them I received was great, but the second one was too tight and didn't move freely.

The media could not be loaded. UPDATE 2-19-2023After using these for several days, they began to bind, and cause the Z Axis to bind. I would not recommend this product now. Total waste of money.An excellent solution for a Z Wobble Artifacts in prints caused by a slight bend in the lead screw. It has eliminated the z banding effect that was showing on my 3D Prints. Machining quality is very tight, and of high quality. I was also able to add a fixed top bearing to each lead screw with no binding issues.I worked the parts back and forth to smooth the surfaces for about 15 minutes. Added a drop of sewing machine oil on the mating surfaces. I highly recommended pairing these with backlash nuts.I plan to upgrade all three of my 3D Printers with these. Would recommend this purchase to anyone with binding or z banding issues.

If you've gone this far, you're no stranger to the variety of leadscrew related issues.Installation is fairly easy, make sure you've got grease for these though.Your mileage may vary with this. I have no doubt this is an improvement for most cases, it certainly helped mine. However this is not a cure-all and due to how subtle the change can be makes this sit in an odd limbo where it can look like a placebo level difference for some but has visible notable differences for others.Maybe you've just accepted a print artifact existing at a certain point in your prints, maybe not. I would still err on the side of giving it a shot though.

These do exactly what you want them to do! They take out some artifacting from the z axis. However. When I got mine, one set moved perfectly... smooth as glass. The other set however, was very tight. I didnt have the time or patience to wait for another set to arrive, so I had to resort to filing it down myself to function properly. Maybe I got a bad set, but 50% isnt the best average!

The machining on these pieces is either too sloppy (up to 0.25mm of play) or too tight. And even on the slopier fits, obvious defects cause the piece to catch as it moves. One of these only moves if I apply a significant amount of force. I know some other reviewers have spent a significant amount of time filing and sanding to get these to work. For the tight fits, sure. But you can't add material and it's not worth the time in my opinion.

I already had an anti-backlash nut installed and installing these together on my e3v2 was simple. It slides easily now to compensate rod wobble. Test print was improved.Precisely machined, and all the holes aligned well.