Ender3 V2 has only one lead screw on Z-axis. Adding another screw will make this printer more reliable on higher printing speeds and prepare it for adding more weight to hotend (for example direct drive extruder upgrade). I already tested two stepper motor dual-Z system. It works perfectly (only pay attention not to move screws if motors are turned off). This new method synchronizes screws even when stepper motor is not powered, thanks to timing belt and pulleys. This package was sent to me by Banggood for a review, but there was no manual in the kit, so I decided to create this detailed assembling video.

Affiliate Banggood links:
Dual Z with timing belt and pulley ( 10% coupon code ship from ES warehouse: BGAFF10OFF ):
https://www.banggood.com/Dual-Z-axis-...

Dual Z with two stepper motors:
https://www.banggood.com/Creality-3D-...

Previous video: dual Z with two stepper motors:
   • Ender3 V2 Double screw upgrade kit (D...  

Used STL files you can download from my website:
https://www.mytechfun.com/video/84

Ender3 V2:
https://www.banggood.com/custlink/GGv...

List of all Ender3 videos on MyTechFun channel:
https://www.mytechfun.com/videos/ender3

Support my work:
https://www.mytechfun.com/donation

Or just buy me a coffee:
https://buymeacoffee.com/mytechfun

or become a Patreon:
  / mytechfun  

Contents:
0:00 About dual Z axis
4:19 Unboxing
5:04 Assembling
22:16 3D printing
25:00 Conclusions

#ender3v2, #ender3upgrade, #ender3dualzaxis, #3dprinting