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FLSUN QQ-S Pro Part Cooler Duct

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Markus

@Markus_133597

Update: 2021-02-19 Found an error on the E3D Version, when reprinting the duct for myself deleted the faulty version…

Rating: 5 / 5
Likes: 13
Downloads: 137
Makes: 1
Views: 472
Reviews: 1

Updated at source: Nov 13, 2023

Model information

Source: Printables
Category: Other Printer Parts & Upgrades
License: Creative Commons — Attribution

Details Files (6)Makes & comments (Makes: 1) (Comments: 1)Remixes (0)Collections (10)

Update: 2021-02-19

Found an error on the E3D Version, when reprinting the duct for myself
deleted the faulty version and uploaded the corrected one

Update: 2021-01-16

Finished the Support Free Version
Made a Version for an E3Dv6 Hotend
Made CFD Simulations for all Versions
Renamed the STL's

Update: 2020-12-21

Redesign of Variant 1 (FLSun QQ-S Pro Duct v4):

Better Fit and Snap
1mm "Ring" to better cover the printers opening
Nozzle better centered
Airflow optimized

Most of the existing designs were not quite OK for my Stock QQ-S Pro.

Almost all (I tried) where blowing directly onto the nozzle.

Compared to the stock duct you might need to decrease your fan-speed.

PID Tuning after replacement is recommended.

I recommend using PETG or ABS for printing. After serval testprints I finally used GreenTEC Pro from extrudr (it prints almost like PLA using temps like PETG, but it is Heat resistance up to 160°C VICAT A / 115°C HDT/B*)

Print Settings

Printer:

FLSUN QQ-S Pro

Rafts:

Supports:

Yes

Resolution:

0.16, 0.20

Infill:

doesn't matter

Filament:

extrudr GreenTEC Pro

doesn't matter

Notes:

For the first prints on my FLSUN QQ-S Pro I was additionally using a raft as the lattice bed doesn't offer very good adhesion with PETG.

During longer prints (12hrs+) without partcooler (as I mostly use PETG) I noticed that one of the ducts had a slight deformation. Therefore although PETG seems to work OK (if you are using part cooling for your prints, I recommend filaments with higher glass transition tempertures like ABS, GreenTEC oder GreenTEC Pro.

Category: 3D Printer Parts