Core One Thermister Protector Snap In Place Print Head Fan Shield
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Modified Thermister Protector to deflect hot fan exhaust from Nextruder print head
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Prusa Parts & Upgrades
- Licencja
- Creative Commons — Attribution — Share Alike
The concept of the original remix was to protect the thermister from physical altercations with PTFE tubes. The use case for this mod is to help protect the probe from direct exposure to the print head fan exhaust, without completely blocking air flow.
I printed a very long dryer crevice tool, about 270mm tall and very narrow. What this does to the print head, with the object being printed in dead center of the plate, blows hot air at the temp probe for the entirety of the print job. Normally this is fine, and the first half of the print, chamber temps were stable. After a while, maintaining temps were a struggle with the thermister reporting 10 degrees higher than intended, despite having a open grill and blower fans going max (@40%). If I up the max fan speed to 50%+ temps will go down, but this was causing the rest of the chamber to cool down further. The print job finished, but the upper layers were less smooth due to temperature fluctuations.