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PrintrBoard compact cooling enclosure

by kharar, published

PrintrBoard compact cooling enclosure by kharar Aug 13, 2013

Description

A protective case for the PrintrBoard Rev.E
Provides cooling of the drivers through simple ventilation ducting
Made for MAXbot (see http://labitat.dk/wiki/MAXbot)

OpenSCAD file is provided in case you want to fiddle or modify to fit other revisions of PrintrBoard

Recent Comments

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You might be interested in this: thingiverse.com/thing:608990
I have noticed some Micro-USB plug ends are different length, they seem to differ in about 1mm making it hard for the short plugs to properly reach the board..

Some day I might change the layout to allow the use the short plugs without cutting or carving
In deed it does (for the button that is). I usually fit the hole with a short domed hexnut M3 screw and put a nylock nut on the inside to prevent it from falling out. Then just press the screw from above to reset...
If by reset pins you mean the 6-pin ICSP connector next to the u-SD slot, then those are also accessible.

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Instructions

Slice & print at around 0.15mm layers and hexagonal infill of 20-25%

Attach heatsinks onto the stepper drivers

Attach a fan and a "fan grill 40mm" (just search for it here on thingiverse: http://www.thingiverse.com/search?q=fan+grill+40mm) with four M3x12's screwed directly into the case

The enclosure can be attached to it's surroundings by cable ties through the four rectangular holes in the bottom part

Extra notes:

  • The slot hole for the microSD might be a bit too small, but it's easy to cut away approx. 1 mm from the top part of the enclosure to make a better fit for the card.
  • Also you might want to attach a piece of tape to the rear of the microSD card so it will be easier to pull out.
  • Hopefully next version of the PrintrBoard will feature "push-to-eject" (https://labitat.dk/wiki/Printrboard_amendments)
2 days ago - Modified 2 days ago

I have noticed some Micro-USB plug ends are different length, they seem to differ in about 1mm making it hard for the short plugs to properly reach the board..

Some day I might change the layout to allow the use the short plugs without cutting or carving

<p>Does this design leave access to the reset button and reset pins?</p>

<p>In deed it does (for the button that is). I usually fit the hole with a short domed hexnut M3 screw and put a nylock nut on the inside to prevent it from falling out. Then just press the screw from above to reset...<br>If by reset pins you mean the 6-pin ICSP connector next to the u-SD slot, then those are also accessible.</p>

<p>Great box, had to bend the transistors over though to get it to fit over the board.</p>

<p>Also had to thin down the dividing wall to give a little side clearance to the transistors so lid would align with base.</p>

You might be interested in this: http://www.thingiverse.com/thing:608990

PrintrBoard Rev D Enclosure
by usafhas

<p>Well true, the enclosure were ment to fit on a revision E board (smd transistors) so I actually never considered this while designing the thing.<br>Thanks for the feedback :-)</p>

<p>My Printrboard seems to fit just fine, but my 40 mm fan (40 mm measured between the mounting holes for each side) is way too big.</p>

<p>It is my understanding that a 40mm fan has 32mm between the holes and is 40mm along the sides.<br>So I guess your 40mm fan is actually 50mm...?</p>

<p>You are correct. I did not know that. I guess I will just have to source a real 40 mm fan then. Thanks for a nice enclosure!</p>

<p>You're welcome, hope you'll enjoy :-)</p>

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