40MM Fan duct for MendelMax & Prusa V3
by UltiBots, published
This new & improved version is more compact and has beefier attachments. It fits between the Supa-Flat bushings and has clearance for bulldog clips. Like V2 is has an open end for better viewing during printing. It fits well with a J-Head.
Alibre PE source files included.
MendelMax 1.5+ kits and printed parts are available for purchase at ultibots.com.
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Our latest design is at http://www.thingiverse.com/thi....
Where can I find the model for those bushing holders bolted to your x-carriage in the photos? I have been looking for that part with no success.. thanks!
I have a MendelMax. I had a little trouble with my "V2 Wades" and J-Head. I'm also using a X cartridge that has mounts on both the front and back. This way I use the adjustable belt tensioner and have another mount for the fan. In my configuration it is very tight. I had to sand the mount so that it was lower. I also made the screw hole on the mount a little lower by using a drill bit as a saw. Once I did this the duct was level (Just below the smooth rod). The hotend is just below the duct (2mm). Very tight fit. I also had to do some surgery on the Wades (I cut a corner off the bottom), because it rubbed up against the belt tensioner. Oh and I had to cut the duct bracket as well. My wades is also at a 45% angle. All in all a very tight fit. But I got it all to work. I have found that a fan is a must. On my Prusa Mendel I have a fan, but it does not go around the print head, it just cools from the back. The back prints perfect, but the front still has problems. I believe that this duct will work miracles!
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The bearing holders shown are:
thingiverse.com/thing:15205, the last one on the download list.
Note: the fan mount is also the belt clamps.
Other mount options are: thingiverse.com/thing:29753
V2 is: thingiverse.com/thing:29985
V1 is: thingiverse.com/thing:28900
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