30-9-2018: Added a "snap-on" model, see below!
A first version, I think, of a shroud for the standard K8400 front cooling fan, using it's unaltered position.
Most shroud solutions I've found online so far, include a re-positioning of the fan - I'm thinking it might be possible to improve the cooling process, while leaving this fan in it's original position...?
This model is an attempt to capture & channel the flow, that was directed towards lower sections of the print, to the area at & directly below the nozzle(s).
For mounting the shroud on the fan, I used a low-strength glue.
STEP source file included - to allow modifications, should you want to make those.
(Should there be another iteration of this model, I'll probably add it to this entry as an extra file).
Edited on 30-9-2018: Vertex K8400 dual shroud - standard vent - snap-on
Right... Turns out, the shroud is working pretty well in focussing the airflow to the nozzles & the area just below it? Prints seem to have better cooling, but also - when doing a filament change - the nozzle now needs to put in more effort to reach the standard 210°C, causing this procedure to take longer.
So, I figured, I'd better change the model to sort of a snap-on execution - so you can click it onto the standard fan, when needed. (Or remove it, when preferred).
Printed on the Velleman Vertex K8400:
- Velleman PLA, transparent,
- No rafts, supports not required
- 0,20mm layers, with 20% infill.
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