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Slice Engineering
Mosquito® Conduct
Mosquito® Conduct
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This hotend is a little bonkers. It's tiny, lightweight, and doesn't directly use a fan!
We consolidated the cooling by conducting heat to a small bearing bronze heat sink at the top that we call a "Base". The conduction heat break of the Mosquito® Conduct™ doesn't have cooling fins and is designed instead to only use conductive heat transfer to prevent heat creep. Even with no fins and its small size, the Mosquito Conduct can still print up to 500°C and can have nozzles swapped with one hand!
The Mosquito Conduct needs to be mounted to a metallic part or carriage that can help conduct heat away from the Base. That mating part must have 88 cm2 of surface area exposed to room temperature air for radiative and convective heat transfer to facilitate cooling, or use liquid cooling. The Base Conduct also incorporates quick release geometry to allow for rapid swapping of the entire hotend in print chambers of any temperature.
Conduct was primarily designed for integration by 3D printer manufacturers in high-performance applications.
Rated for printing temperatures up to 500°C covering all printable thermoplastics
Eliminates heat creep, reduces jamming, and improves printing resolution through Bimetallic Heat Break™ technology
Conducts 85% less heat than a standard threaded heat break
Increased structural rigidity allows for a One-handed Nozzle Change™
Modular/adaptable to almost any FFF/FDM printer and ideal for multi-extrusion systems - Includes the familiar M2.5 mounting hole patterns of the Mosquito product family
Uses RepRap style nozzles (M6 x 1.0 threads with a 7 mm thread length and 12.5 mm overall length)
Low mass on the carriage for maximum X-Y acceleration
For assembly/disassembly instructions, click here.
WARNING: 3D printers are useful machine tools when installed with Slice Engineering® hotends in accordance with proper safety protocols by 3D printer manufacturers and professional automation engineers. The Mosquito® Conduct™ Hotend is an industrial tool designed for installation and configuration with appropriate cooling. By installing and/or operating the Mosquito® Conduct™ Hotend, you agree to take responsibility for any and all risks associated with the installation and operation of the Mosquito® Conduct™ Hotend.
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United StatesFantastic Hot End - but you may need to get creative with your part cooling.
I bought this hot end from Printed Solid along with their Bondtech BMG-M extruder and X-Carriage. All told, this upgrade cost me about as much as whole Ender 3, so I was wary and had very high expectations. As this was my first ever hot end and extruder swap, I had a steep learning curve, but Dustin from Printed Solid support was an amazing help and I was able to get up and running relatively quickly thanks to him. The heat block is a bit funky in design, but the end result of that super short, incredibly effective heat break makes it well worth it. The issue comes in part cooling. The BMG-M basically uses the same part cooling fan as the BMG-V6 - the problem is that the Mosquito and V6 are oriented differently. The mosquito is off-center with a majority of the block on one side. Getting cool air to the plastic and off the block is not easy to do and the included fan shroud is not great at providing that airflow. Granted, Slice is not responsible for how Bondtech cools parts on their extruder, still, you'll likely run into issues with any ordinary fan shroud because of the shape of this design. I ultimately made a dual fan shroud that comes in very low and cools mostly from the sides, this improved bridges immensely and gave me what I wanted - which was a noticeable improvement over the stock Prusa V6. Part cooling aside, keeping the cool part of the hot end cool and the hot end hot is what these guys do better than just about anybody. You can immediately say goodbye forever to heat creep - including and especially during very long prints with tons of retractions. The fact that the mosquito only requires retraction distances equal to the diameter of your nozzle is pretty amazing and somehow, magically effective at both controlling strings and preventing heat creep. Really impressive design there. Long story short, If you know your way around your printer, you don't mind having to work a bit for your ideal setup and have some chops at designing parts in cad, you can experience this for what it is: the best hot end in the world.
United StatesGreat Hotend because of printed solid support
I am fairly new to 3d printing and had some issues with my mk3s...I decided to take on the Mosquito install once Bondtech released their kit. Initially I tried reaching out to Bondtech and Slice Engineering for initial questions but the guys at Printed Solid were the only ones to reply. So I bought all the parts for the upgrade from Printed Solid and hassled these guys daily. Several weeks later and this hotend is printing amazing...I would NOT have been able to get it installed without the help of Printed Solid support....If these guys don't have it in stock then I don't buy it)
What are you waiting for?
Look, most of the time the "issues" you hear with the Slice Hotend is USER error. I will never use another E3D Hotend after using the Mosquito. It doesn't make your "print quality" better. It makes your printer more reliable and last longer. You don't have all the tricky assembly of seating heat breaks etc. You will not regret it and you will love it in the long run because it will save you $$$.
Not a perfect upgrade
Mosquito hot end and vanadium nozzle arrive well packaged and excellent condition. I purchased one from Printed Solid for testing in the BNBSX extruder. Based on multiple glowing reports on the web of how much better the mosquito works, I expected a smooth upgrade into 3D printing heaven. The reality has been considerably less. Because the hot end is also listed as compatible with E3D heater cartridges and thermistors, I opted to do initial testing with new, Prusa supplied 24 volt 40 watt E3D heater cartridge and thermistor. Both were dutifully bedded in with boron nitride. So was the Slice vanadium nozzle. Using my usual nozzle temps of 240 initial / 245 C later layers for PETG, I expected the thermal efficient Mosquito to extrude beautifully. Surprisingly PETG came out milky looking instead of glassy. Perhaps it was a wet spool I thought. No. three spools later - still milky extrusion with horrible overhang ability, and poor inter-layer adhesion continued. I tried re-bedding with boron nitride in case this was a problem with thermal paste coverage. Even with copious coverage, the milky PETG problem persisted. Increasing temperature reducing print fan speed did help a little, but black tree frogs kept printing charcoal gray and with misshapen, weak legs. Only when I switched out the vanadium nozzle for a E3D brass nozzle did things begin to look better. PETG became 90% as glassy looking as my usual E3D prints. Overhangs were still an issue. More reading found some users who discovered the Mosquito is exquisitely sensitive to any airflow bounced back from the print bed or near the hot end. I'm currently awaiting a 50 watt cartridge to see if it will deliver more heat to the Mosquito - hopefully enough to overcome the reduced thermal transfer rate from cartridge to heat block and even more reduce heat flow through the vanadium nozzle. At this point, I would not rank this as a drop-in increase in thermal delivery, but a unit that will require some work to match (and hopefully surpass E3D) capability. Thus far, I'm still working on getting it to melt filament as well as a E3D V6. That was about the last thing I expected based on glowing web reports. One handed nozzle changes ARE great, but I also want a hot end that lets me print hotter, faster and with more refined detail.
Top notch
This hotend has been absolutely amazing, I went from a genuine e3d v6 to this mesquito, and I've noticed improvements all around. Now I cant wait to get the magnum. oh boy!
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