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Stwebster

Bondtech Mosquito Prusa Mk3

by Stwebster Jun 13, 2019
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Do you need to use heat-set threaded inserts with this as with the original?

no. you only need square or hex nuts

Great design, but I need a bltouch mount on it, I‘m on Duet (I think you know me on Prusa FB forum, the Red Bear).
Any chance to get step files or Fusion 360?

Tried this extruder on my MK2.5. Seems to fail calibration. Still trying to get it to work.

It´s based on the original Bondtech step files.
Did you try the second pinda position?
Im not 100% sure, but i think for the mk2.5 you have to choose the rear position for PINDA

I just got it working. As a note for others trying this on a MK2.5, you have to use MK2.5 not the MK2.5S firmware. The S firmware actually causes calibration to fail. PINDA needs to be in the front towards the print fan. Will try to print with this tomorrow to see how well it works.

nice to hear that it works :)

Getting clogging issues. I used the stock Noctua fan. I wonder if that is causing it to jam. How much retraction needs to be set for this hotend? I would assume less but was curious what anyone ran on it. Could also be causing it to jam. Ideas?

The noctua is not strong enough. Sunon is much better.
You are right. Normaly you need less retraction. Try 0,6

It works pretty well. The only thing I have an issue with is that once the part cooling fan goes on, it causes a thermal runaway. It's possible that the fan mount isn't low enough? I think it's because the nozzle now sits a little lower instead of further in on the block. I have to turn the part cooling fan way down in order to get it to not cause a thermal runaway. Set to 35-45 on the Prusa screen in order to get it to not throw that error.

Can you modify the part cooling fan lower? Otherwise it works perfectly! Thanks.

It works pretty well. The only thing I have an issue with is that once the part cooling fan goes on, it causes a thermal runaway. It's possible that the fan mount isn't low enough? I think it's because the nozzle now sits a little lower instead of further in on the block. I have to turn the part cooling fan way down in order to get it to not cause a thermal runaway. Set to 35-45 on the Prusa screen in order to get it to not throw that error.

Can you modify the part cooling fan lower? Otherwise it works perfectly! Thanks.

Hi. I have a better solution for this problem . http://www.thingiverse.com/thing:3670108

Mosquito / Mosquito magnum silicone sock mould

Works awesome. Since they don't sell that here in the states. I used: Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker. Works fine and so far and I'm using full blast on the cooling fan and the temps are rock steady.

nice to hear :) have fun with it :)

What X carriage is that

I think zaribo. (The picture is from the first tester)