Replicator Extruder Fan Guard
by garyacrowellsr, published
I can't decide which one I like better, the radial, or the honeycomb pattern; so I uploaded both. To tell the truth, I'm not exactly thrilled with either, and I'm expecting someone to come up with a snazzier pattern.
The honeycomb pattern is probably more airflow restrictive, and it might benefit from a larger honeycomb pattern.
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printed a couple of these.. imported it into Tinkercad and stretched it 4mm vertically, then glued some filament off cuts to make it fit well again.... no issue with fan whine anymore...:) thanks for the design.
I printed out one of these, and i still chipped a fan! There is a critical design flaw, which is that it doesn't account for my laziness.
I do a terrible thing, which is try to take off the fan to clean the extruder, while its running (i know i know). However this requires that i take off the protective plate to get at the screws, which is traditionally when i bang the fan and break a blade.
Perhaps a single extruder version, with room to get at the screws underneath?Â
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The radial pattern is easier.
Either will take a bit of cleanup to sharpen up the drool on the overhang for the clips.
It just slides down over the fans from the top, and it should fit snugly. Be sure that the bottom is all the way down against the carriage.
UPDATE 7/18/12: Some people had noted that adding the guard caused a high-pitched whine from the fans. The new files added (all of the *2 versions) move the guard out a bit from the fan blades. This should relieve some of the noise. (I never noticed it much since my Replicator is fully enclosed.)
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