3公斤滚筒夹具（搭配Creality Quad 3D数字化滚筒夹具，适用于2020版extrusion系统）

3Kg Spool Holder w/ Creality Quad 3D Digital Spool Holder for 2020 Extrusion

2024-01-14 22:44:09

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3公斤滚筒夹具（搭配Creality Quad 3D数字化滚筒夹具，适用于2020版extrusion系统）

Summary

This is crazy quad Creality 3D Digital Spool Holder project.
You can put 3kg(and more) heavy weight filament spool onto your 2020 extrusion to save the space and nice looking and easy maintenance.

Your feedback and comments are every time very helpful to improve my design.

BOM

M4 x 50mm screw 3pcs
M4 nut 3pcs
Creality 3D Digital Spool Holder 4set
(Optional : M4 x 30mm screw 1pcs + M4 nut 1pcs for Core connection)
(Optional : M4 x 18mm screw 2pcs + M4 T nut x 2pcs for 2020 extrusion mount, Holder Core has 13.5mm height compatible with Elegoo stock spool Holder)

Cost me > $60++ but very meaningful for stable use of 3kg filament spool smoothly work with filament sensor. OR you can put multiple 1kg filament spools.
You can measure the 3kg or 5kg spool weight with Creality 3D Digital Spool. If you want to try all quad or just try with single it totally depends but the kind of workable to deal with your 3D model filament use vs. act remainining for quick check.

Tested w/ Polymaker and eSun 3kg spools but I assume 5kg or other vende's 3kg spool also work well you can refer spool diameter from those 2 venders

in singale spool use case, min Inside width is about 82mm so almost all the 3kg filament spool work
in dual or hanging use case, whichever 1kg spool works, works well with elegoo stock spool holder at least Neptune3/4 series.

I highly recommend to print with tough PLA or such solid/hard material not just avoid break but avoid vibration when you put heavy weight on it. 3 parts require snug simple support, you can just refer the picture attached.

You can use Elegoo neptune 3 or 4 series stock spool holder if you want to save the printing time, just use with multiple 1kg spools NOT 3kg or 5kg spool.
But my spool holder "core" attached is much stronger and capable for weight handling.

Build Step

Put Joint parts to Holder Core
Screw RollerBody parts both Right and Left
Use M4 50mm screw and hex nut and fix the parts 3 points.
Mount it on 2020 extrusion
Optional - You can use M4 30mm screw and M4 nut for Holder Core connection. I just use it when I super glue Core parts in my case.

As first release I just remove the pop-guard because every open spool holder in the market doesnt have it also I expect to use with filament sensor just control the force not to direct to side but more center as you can see the picture as usual bed-slinger 3D printer, this actually helps to avoid the off course drop :)