Prusa i3 MK3S+/MK3S / MK2.5S Mosquito

115,00 € *
Inhalt: 1 Stück

inkl. MwSt.

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Lieferzeit ca. 14 Tage

  • EXT-KIT-69
Upgrade kit With Optimized Design to fit Mosquito hotends This is a Bondtech upgrade for the... mehr
Produktinformationen "Prusa i3 MK3S+/MK3S / MK2.5S Mosquito"
Upgrade kit With Optimized Design to fit Mosquito hotends

This is a Bondtech upgrade for the popular Prusa I3 MK3S+/MK3S and MK2.5S that will allow the use of the world acclaimed Mosquito hotends.

Bondtech Extruder For Prusa i3 MK2.5S & MK3S + MK3S+

This kit contains only the necessary parts to convert your current extruder to our own popular design based upon our BMG (Bondtech Mini Geared) extruder with 3:1 gearing ratio for better precision and resolution together with optimized geometry for the heatsink cooling and professional SLS 3D printed housing.

Working Temperature Limits

Bear in mind that if you use this upgrade kit inside a closed chamber, it will have the following set of working temperature limits:

  • Due to the sensor plastic parts made of HT PLA > up to 60°C (90-100°C when parts are annealed);
  • Due to the stepper motor > up to 80°C.

 

NOTICE

This Upgrade Kit does not include the Bondtech drive gears (already supplied by Prusa).

To use this Upgrade Kit, you will also need to buy the following:
  • a Mosquito Hotend or a Mosquito Magnum Hotend for higher material flow;
  • the Boron Nitride Paste;
  • the SLS X-Carriage Kit for higher temperature and mechanical resistance (you can download the STLs in the Resources section and 3D print them);

Optional items:

  • the Mosquito 12v 50w Heater Cartridge (for the MK2.5S version) or the Mosquito 24v 50w Heater Cartridge (for the MK3S version);
  • one or more Vanadium Nozzles, if you want to print abrasive materials like carbon or glass fiber and metal filled materials;
  • a 1.5Nm Torque Wrench to properly tighten the nozzle.

 


Product Main Features

This extruder upgrade presents the following main features:

  • Adapted to fit Prusa’s new filament sensor and Mosquito hotends;
  • Includes one Bondtech BMG extruder with 3:1 gearing ratio;
  • Optimized geometry for heat-sink cooling;
  • Less moving weight to reduce vibration and ghosting;
  • Professional SLS 3D printed housing and 3 other key parts.
MK3S / MK3S Mosquito, What’s the difference?

This Upgrade Kit is mostly similar to the previous MK3S, with the main difference of having been designed to fit the Mosquito and Mosquito Magnum hotends.
Other differences come from the design changes that include:

  • An optimization of the cooling air channel to focus the airflow on the Mosquito’s heatsink. The channel is narrower.
  • This tighter space is also used to hold the hotend in place during nozzle changes, so the user can change the nozzle with a single hand.
  • The fan shroud was also redesigned to fit the Mosquito hotends.
  • We include in this kit a new part, the Mosquito hotend adapter, 3D printed with SLS.
Prusa’s Heater or Mosquito Heater, What should I use?

The Upgrade is compatible with the thermistor and 40w heater already supplied with the Prusa (MK3s).
A 30W heater(most mk2.5s users) will likely not be sufficient enough to keep the Mosquito Hotend at a stable temperature.
However, you also have the option of using Slice Engineering Mosquito thermistor and 50W heater.
We recommend the more efficient 50W heater for your Mosquito to reach a stable operating temperature faster.

  • If you have a Prusa i3 MK2.5S, buy the 12v Mosquito heater.
  • If you have a Prusa i3 MK3S, you should buy the 24v Mosquito heater.

We highly recommend using a thermal compound paste to provide good thermal conductivity between the heater and the hotend.


Updating the Firmware

To use this upgrade in the MK2.5S / MK3S, the E-steps and Z_Max needs to be updated.
We are also supplying firmware versions compatible with the use of Mosquito’s thermistor.
If you are using this Mosquito’s component you should use the related firmware.

MMU2s

To use the MMU2s together with the Bondtech an extra Add-On is required. This will allow sensor to trigger once the filament is reaching the drive gears.
You can download the STL file bundles from our MMU2S Add-On Files tab.
All credits to Leon Van Roosmalen for his amazing design. Find more information about his work and designs here: https://www.thingiverse.com/Leonrsmln31/designs

Community involvement

This is a co-development work with awesome guys in the Prusa Community like Chris Warkocki, Grégorie Saunier (Bear Upgrades), Olof Ogland, Erik Bjorgan, Josh Jones, Kyle Wiehe, Marc Evertz, Matt Harrison, Ocie Ward, Sando Bendig, Vecko Kojchevski (Vecko Extruder), Steven Mölby, and Yuri Delia that have provided excellent feedback and suggestions of how to develop the “perfect” extruder setup for the Prusa series printer. A lot of work has been put in this project and we tried to listen to all the inputs in order to find a solution that can be the best fit to the Prusa I3 MK3S.

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