Stew675's Qidi Plus 4 Hotend Duct Mod
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A Simple, Push-On hotend duct that solves the heat creep with no additional mods or fans.
- Ocena
- 4,5 / 5
- Polubienia
- 35
- Pobrania
- 209
- Wydruki
- 3
- Wyświetlenia
- 1561
- Oceny
- 2
Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other Printer Parts & Upgrades
- Licencja
- Creative Commons — Attribution — Share Alike
I am re-uploading this model from Thingiverse to preserve Stew675's amazing invention here and so that I can maintain all of the links and information.
Originally posted on September 09, 2024.
I will not be rewarded with any Prusameter points or status.
There are others who have stolen this model, remixed it and then claimed that they own it. It is despicable.
You can find the original here: Stew675's Original Post
Original posting:
The Plus4 can sometimes suffer from Heat Creep in certain conditions. This duct/plenum attempts to better route the air from the intake fan over the heat sink to minimize the risk of heat creep for parts with many fine retractions, or at certain filament temperatures.
By default, there's about a 10mm gap between the outlet of the fan, and the surface of the heat sink, and there's many paths of lesser resistance for the air to flow, instead of through the heat sink. This design is intended to be a snap-in-place piece that minimizes the air-flow loss and better cools the heat sink.
Installation
First unplug the hotend cable plug from the print head board, and release from the sliding clamp that holds the cables in place (ie. about mid-way along the cable length)
Now, very gently, move the cables out of the way, and install the duct as per the photographs. Push the duct in place until it seats firmly against the extruder. It may help to hold the fan cable to the side (left) of the long tip of the duct such that it is not bending the fan cable excessively.
Now slide the hot end cables back onto the clamp, and re-plug back into the print head board.
Print Settings
ABS/ASA, Nylon, 0.2mm LH, 100% infill
Thank you Stew675 for this model and all of your creations, programming and hard work for the community and those things which you helped me with directly!