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lfenske

RoBo R1 e3d V6 fan duct

by lfenske Sep 5, 2015
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Any chance you could modify this just a tiny bit for me? I'm using a Prometheus v2 hotend and it's just a tad bit longer than the E3Dv6. The v6 is 62.3mm in total length and the Promv2 is 63.5mm in total length. Could you lower the outputs 1.2mm? That might sound stupid, but having the duct outputs pointing directly at your nozzle is not ideal. I would really appreciate it as I have zero competence in modeling.

Does this work with the RoBo R1+? It shows in the title for RoBo R1.

It's the exact same printer, except the + has a leadscrew and Y axis upgrade. Nothing that would change the carriage.

anyone else having issues with the parts fan that came with the robo 3d not fitting into the slot? fan thickness on mine is 10.61 and just seems to be to fat to fit this

they were made to be a near perfect tolerance with the 40x10 fans I used which should fit most standard 40x10mm fan sizes. I suppose you could try sanding the fan or the duct. Or maybe try different fans.

I switched the fan with the ramps fan and it fit. Same fan but just a tad thinner ... Thanks for the response though

they were made to be a near perfect tolerance with the 40x10 fans I used which should fit most standard 40x10mm fan sizes. I suppose you could try sanding the fan or the duct. Or maybe try different fans.

Do you have a .stp file or something other than STL?

I wan't to print it but I print with supports, not a fan of built in supports.

Thanks

Very nice job. The built-in supports came right out with no issue, and both fans slid in place perfectly. They seem to be pointed AT the print head instead of at the filament. Am I just being paranoid? I picture in my mind, the RAMP board working overtime to keep the heat up . . .

Also, did you decrease your fan speed at all since the air is now more directed? Mine was set at 100% by default. I am using two 0.11 A fans so they are moving a lot of air. Prints are coming out fine, but I may experiment with lower speeds.

Bottom line - wonderful ducts! Just being paranoid about where the air is pointing.

I ran into the problem with too much air hitting the nozzle/block and definitely need to turn the speed of the fans down. I'm looking at trying a PID tune to see if it will help some as well. These print out amazing and fit perfect, over all I am very happy with them.

Only other thing I thought was possibly tinkering with the design to direct the air more downwards as opposed to forward. Maybe just try to blow the air on the plastic as opposed to the source a bit more.

I use 0% fan first 2 layers then 25% layer 3- 30, 35% layer 31-60 then 45%-50% layer 61- finish.
To much fan will cause hot end under-temp fault when close to the bed.

i have my e3d block with the heater and thermistor on the right, this causes the front duct to hit the hot end, could you make a shorter one for me for the front please? i've had to cut the outlet off to make it fit and now im concerned there is too much air hitting the hot end. it needs to be even shorter than the rear one, even cut down its smaller than the rear and its nearly hitting the heat block. I can e-mail pictures if u need them

Can I use these with the stock hex extruder?

I think thy will sit to low for the hex extruder. I have another duct on my page that will work.

These look amazing! Can I link this on my file?