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RAMPS 1.4 Fan Mount, 40mm, parametrizable

by schlotzz, published

RAMPS 1.4 Fan Mount, 40mm, parametrizable by schlotzz Sep 4, 2013
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16295Views 3672Downloads Found in 3D Printer Parts
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Summary

A simple and small mount for a fan on a RAMPS1.4 board. The photos show a small 40mm fan, however the brackets are parametrizable and other fan dimensions (e.g. 50mm) could be used easily. The brackets have a small air guide on one side.

I found some similar brackets, but all of them had too wide legs so they could not be mounted between the pin connectors.

Instructions

  • Slice model and print two brackets.
  • Use M3 allen head screws to mount fan on brackets.
  • Clip brackets onto RAMPS1.4
  • Enjoy cool steppers ;-)

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16295Views 3672Downloads Found in 3D Printer Parts
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very nice design. the only thing I have a problem. is that it might be a bit close to the board and push the wires, thus risking squishing something, pulling something loose, or worse breaking something like a pin or more.
With a few mm length of the stand legs could bring it a good distance out of the way. I only stuck on the top half because the wires were so densely pushed under. my setup the wiring goes down.

But great design none the less. thumbs up!

Hi Keifer. Thanks for your feedback. The length of the legs and so the overall height can be adjusted easily. Just change the parameter "height" in the OpenScad file to your desire. Currently it's 40mm, maybe 50mm suits better for your needs. You'll find it in this line: module ramps_fan_mount(width = 64, height = 40, depth = 10, fanDia = 40, fanHoleDia = 3.1, fanHoleDist = 32, grooveDepth = 1.5, grooveHeight = 2.5, thickness = 3.5, $fn = 16)
Regards, schlotzz

a very clean, neat and simple solution. Thanks!

Excellent!! thanks!

Jul 27, 2014 - Modified Jul 27, 2014

The ramps board has 5 pololus, will this seperation and fan size be sufficient? Does the fan push air towards the steppers or pull away from it?

Hi rupin. I'm using these brackets with a 40mm fan for more than a year now on my Prusa i3 without any problems. I installed the fan on top of the heated bed mosfet heatsink, but the airflow is enough to cool the steppers, too. The fan pushes the air towards the stepper heatsinks.

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