Lazy Man's Fan Guard

by CrazyJaw, published

Lazy Man's Fan Guard by CrazyJaw Sep 30, 2012
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I am constantly chipping fan blades (gone through about 3 replacements).

Garyacrowellsr's fan guard is great, however since i have to remove it before i unscrew the fan, it doesn't protect against the situation that has killed most of my fans! (namely, accidentally jamming a allen wrench in there when i am doing a quick cleaning job).

This version is split, and features screw holes, so it can basically live on the fan without ever being taken off.

Plus, along with http://www.thingiverse.com/thing:28241, the extruder kinda looks like a face.

Also refactored the original scad source to be a little easier to modify


Print with default replicator settings, and just slide it down over the top of the fan. Boom, done.

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Why all the Às, Everyone?

I get a high pitched squeal with these things on, and I've noticed it on other fan guards too. Anything I can do to quiet that down a little? I like the look of these things but the sounds wears on me after a little while.

Assuming its on sufficiently tight, i think the fan guards change the weight profile of the fan, exacerbates any little wobble.

I'm making at least half of that up, but I find either tightening, loosening  or hitting the fans tends to deal with it. I also have an enclosure for abs which dampens a lot of the noise.

Ha! I got clumsy with the allen key too. Wish I had the foresight.  

Any personal preference when it comes to replacement fans?

Makerbot freely supplied my replacements. I didn't even ask them for one, just asked if they were actually important, and they were nice enough to send me replacements anyway.

Thanks for the heads up! They are generous indeed.