Clip-on Printrbot 40-mm Fan Mount <Obsolete: See Derivative>

by RockstarAlchemist, published

Clip-on Printrbot 40-mm Fan Mount <Obsolete: See Derivative> by RockstarAlchemist Aug 13, 2012
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//This version is now obsolete. See Version 2 Derivative //

I couldn't afford to give up the extruder height above the bed with rickmellor's design, so I came up with one that just clips on.

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Can you upload a 50mm version? Thanks

I'm having trouble finding a 2 pin connector for my fan. Can you recommend anything?

I have seen several possibles but I'm not sure exactly what I need and I don't want to buy the wrong one.

Sparkfun always has what I need. Here is the header pin: https://www.sparkfun.com/products/115https://www.sparkfun.com/produ...

You cut off what you need.

Thanks. I went to a local computer parts store and found a 2 pin connector that fit perfectly. I wired up the fan but I can't figure out how to test it without actually printing.

In any case it didn't work the first try so I pulled the wires and swapped then in case that was the problem and that still didn't work.

Any advice?

Never mind I forgot that even when the fan is set to always on it doesn't turn on for the first layer.

Thanks for an awesome print plan in any case.

I though about just deleting my post but my mistake might help someone else.

Strangely, the fan I'm running is a brushless 250mA one and it stays on all the time...even when I uncheck the always on box, albeit at a low speed. I just ended up raising the extruder temp about 5 degrees. I'm going to try a lower current one here soon and see what impact that has.

Glad you got it working.

Is there a port on the bottom of the printrboard for a fan input? I see that slicer has a fan option but i wasn't sure if this worked with the printrbot.

Yes, there is a two pin "fan" connector on the Printrboard.

FYI....I figured out the hard way that the Printrbot fan output is 12V, rather than 5V...so needless to say, I need a new fan...my 5 V took up smoking and has likely died.