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120mm Fan Mount

by Serenlater, published

120mm Fan Mount by Serenlater May 25, 2013

Description

Simple fan mount for a 120mm fan. I used tie wraps to hold it in place, allowing the fan to be flipped out of the way.

Recent Comments

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Just update I stopped using this for cooling during prints. I find its useful for cooling the bed when the print finishes though. I print abs on glass with hairspray. The fan cools it quick and everything just pops off.
The mount for the big fan was made in preparation for a switch from printing abs to printing pla. I read somewhere that having a fan directed over the bed to help cool the overall part would be helpful with pla. It was never meant to cool the cold end of the extruder, just to create airflow over the entire bed and maybe assist the fan I was already using to cool the filament at the nozzle.

But since then I only tried pla for a day or so and I prefer working with abs so I never spent much time using it. Right now if I feel like my layer times are short and it could use a bit of extra cooling I leave it on. I don't have enough experience to show how much you can gain by adding this.
What exactly is the advantage of the big fan? Just trying to understand cooling the filament at nozzle exit vs. cooling the "cold end" part of the extruder vs. cooling the whole thing.

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License

120mm Fan Mount by Serenlater is licensed under the Creative Commons - Attribution license.

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Instructions

Made from scratch using Sketchup.

Just update I stopped using this for cooling during prints. I find its useful for cooling the bed when the print finishes though. I print abs on glass with hairspray. The fan cools it quick and everything just pops off.
The mount for the big fan was made in preparation for a switch from printing abs to printing pla. I read somewhere that having a fan directed over the bed to help cool the overall part would be helpful with pla. It was never meant to cool the cold end of the extruder, just to create airflow over the entire bed and maybe assist the fan I was already using to cool the filament at the nozzle.

But since then I only tried pla for a day or so and I prefer working with abs so I never spent much time using it. Right now if I feel like my layer times are short and it could use a bit of extra cooling I leave it on. I don't have enough experience to show how much you can gain by adding this.
What exactly is the advantage of the big fan? Just trying to understand cooling the filament at nozzle exit vs. cooling the "cold end" part of the extruder vs. cooling the whole thing.
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