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Raise3D Fan Mod (Extra Gcode Controlled Fan)

by 3DWP, published

Raise3D Fan Mod (Extra Gcode Controlled Fan) by 3DWP Feb 13, 2018
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Summary

I made a fan mod for my Raise3D N2 Plus Dual (this should fit all N series I think), I wanted to add a 40 mm fan to be able to control the airflow on the printed model using gcode.

In this setup the stock 35 mm fans only cool the cold end and an extra 40 mm fan on the front cools the printed material under both nozzles. You can connect the 40 mm 12V fan on the extruder board next to the two ''always on'' fans for the cold end.

Make sure the heating elements don't touch the duct - I had to move mine a bit to the back in the hotend but it fits well.

I added the STL files and an Ideamaker file for the 40 mm duct with added support. The files with ''V2'' are updates with smaller holes for attaching the front duct to the two outer parts, in stead of 4 mm the holes are 2.5 mm in diameter so they should fit an M3 bolt tightly.

http://www.3dwp.nl

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Works great! One little nit pick, one of the mounting holes is higher than the other on the part fan, so it looks a little uneven when screwed in.

You're right, I didn't even notice that! It was a bit of an unusual model because it has some remixed parts I built on. I think I'll fix this later and maybe try to make it shorter as well to avoid crashing the front on some printers. Thanks for the feedback.

I'd also suggest widening and increasing the height of the part cooler a little to increase air flow. I have a print going right now that curls on overhangs, but if I shoot an air duster at it as it's printing, it doesn't.

the 40mm fan is hitting the printer whem the extruder is homing.

Sorry to hear that, on my N2 Plus it still has some room (just a bit though). Which printer do you have? On the Raise3D forum I was told this should fit the N1 too..

Maybe I can shorten the duct a little on the extruder side but then the air tube is getting closer to the hotends.

I have the N2. Tha fan hit the printer on the orizzontal axis.

Do you mean at the front? For me it's closest to the door. Do you have a large/wide fan? Maybe you can try a thinner one.

And what you can do is sand down the parts between thefront fan duct and the two outer holes.

The front fan on the x axis. The lower left corner hit the printer for about 1-2 mm. I have a 40mm noctua fan. 10mm thick.

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