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QU-BD One Up / Two Up Nut retainer and Fan Mount

by QUBD_Broadlands, published

QU-BD One Up / Two Up Nut retainer and Fan Mount by QUBD_Broadlands Jun 10, 2014
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Summary

Two parts.

One clip (Nut Holder V2) which holds the nut from the stock extruder from QU-BD, so you don't need to hold the nut while you're tightening the extruder clamp.

This clip has M3 holes which docks onto a fan holder for the stock fan (or anything else you might want to make) with a couple of M3 screws. The fan holder has two ducts, one for the print, and one to keep the top of the extruder and extruder stepper cool.

All prints with no support, and even in poor resolution. SolidWorks files also available.

Hack it up.

Instructions

Prints on your one up / two up with no issues.

Rotate the nut holder so its legs are pointing up, and the fan holder so the duct is pointing upwards. If you're sitting in on the print, you could hold up the 40mm fan when it's doing the bridging, just to make sure it all sticks together correctly!

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Hey if I were to provide an STL (or autodesk inventor file, ect) of my printer's LED ring, would you be able to combine the fan shroud with it for me? this is what the printer's LED ring looks like: http://iamdarkyoshi.minecraftnation.net/Other%20Files/images/20141225_214945.jpg if you are up to the challenge, tell me what file you would need. thanks!

I use SolidWorks for most of my designs, but can probably hack the two parts together using meshmixer or similar :)

One problem I can see is print orientation - Your LED ring would have to come off the main duct at a steep angle, and the duct can't be printed with support because digging it all out to allow air to flow is no fun at all :P

A better solution off the bat is to design a mounting boss for your LED ring to match the slope of the duct. Print each separately then superglue the two halves... It's less elegant I know, but could be the only way to get it right.

I'll PM you with my email etc, but bear in mind I still have a degree to get ;) If it's looking like a lot of work it may take me a while to get around to this. LED ring looks great though, are they controlled off the printrboard?

Thats all right, I took off my extruder to fix a couple things, and I designed a new fan shroud out of tinfoil tape. I liked yourr design of the duel air ducts, and made mine in a similar fashion. the led ring (as well as the fan) are just connected to the power supply becaude I was too lazy to run more wires, and the fan I found (stock one failed after 10 minutes) is quiet enough to run full speed whenever it is powered on. My ducts are behind the extruder.

Sep 23, 2014 - Modified Sep 23, 2014

I've never come that close to the edge for it to be an issue! Typically I leave 5-10mm around all edges anyway for the origin errors I make, since I've no x or y end stops! Never had to print a part that pushed the specs that close!
Great fan shroud, I do say!
Also, it really perfects the fans dispersion of air flow, quite adequate to make great bridges, but my cool end with heat sink can be held by fingers, nicely proportioned!

Ah yeah, I can see you could get away with that on a two up, I need all the mm's I can get! Thanks!

I am using a 10mm slab of acrylic as a bed, and I have the MDF bed set up quite high. This means there is enough clearance between the end of the duct and the MDF housing around the Y-Bed stepper.
If your bed is lower than mine, you will find some reduction in useable print area (by 5-10 mm) in the X direction (for the first 10-15mm of Z travel) as the fan mount could crash into the MDF base. If there is demand I will sketch a more complicated duct which will not have this problem.

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