Review on π BCZAMD 3D Printer Z Axis Upgrade Parts: T8 PTFE Teflo Lead Screw, Extended Length 367Mm/ 14 by Darrin Parasson
If you have trouble binding
As far as I know the description says it is teflon coated. However, I have an anti-play nut made from POM. Finding these anti-backlash nuts very handy, I combined the teflon coated threaded rod and the POM nuts and to my surprise encountered a seizure as the Z-axis didn't move at all, the stepper motor couldn't overcome the mechanical resistance. Maybe they are not intended to be used in this combination? Also, the rod doesn't easily fit into the rod sleeve, but this was stated in the description. I removed the teflon coated shaft and reverted to the original steel shaft as I don't have an anti-play brass nut. Someday I'll buy a brass (they call it copper) anti-backlash nut and try again.
- upgrade or homemade lead screw, this is a necessary part for your printer which lead screw is 8mm and 2mm pitch. The Teflo coating adds some thickness. If mounting the bearing doesn't stick, all you need to do is sandpaper the teflon coating where the bearing connects to allow the bearing to mount.
- Packaging is ugly
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