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QR-M™ Extruder

QR-M™ Extruder

Push Force And Resolution

The Bondtech QR-M brings the same record level of torque and resolution as the Bondtech QR.

 

To Fit Mosquito Hotends

The QR-M extruder is the perfect match for big printers to fit Mosquito hotends on direct extruder applications. Compatible with:

  • Mosquito
  • Mosquito Magnum
  • Mosquito Liquid
  • Mosquito Magnum+

 

Delivers without a mount, see available mounts here. You can either download the mount stl-file and print it yourself or buy one. If you print it, you can buy the required fasteners and thread bushings here.

 

Versatile Solution

4 different units available. Standard (right handed) and Mirrored (left handed) orientation, for both 3.00/2.85 and 1.75 mm filament diameters.

 

Build Quality

The housing parts are professionally SLS printed in nylon for maximum strength and precision. Included 700 mm cable with quick-connectors, as default equipped with a JST-PH6 to PC2510 connector, an XH4 or Dupont connector is also available.

 

The Bondtech QR-M utilizes an Nema17 stepper motor with in integrated planetary gear reducer with 5:1 ratio together with precision cnc-machined hardened steel drive gears to give you a compact powerhouse for all your applications. Whether you require high resolution prints with small nozzles or high-flow prints with big nozzles the optimized gearing ratio combined with our industry leading drive gears provides unparalleled pushing power and lightning fast retractions in a lightweight and compact package.

 

Bondtech Dual-Drive

Our unique Dual-Drive technology delivers uninterrupted material flow without fear of grinding or slipping in even the most demanding conditions. Bondtech users the world over will attest that even in prints with thousands of retracts our extruders perform flawless, with unmatched precision, and zero damage or degradation to the filament.

 

Multi-material capability

The QR-Mextruder feeds all material with high reliability, from slippery nylons and soft TPU/TPE filaments to highly rigid and sometimes brittle carbon-filled high-strength materials. The extruder is designed for 1.75 or 2.85/3.00 mm filaments, but has been tested to ensure performance of filament with a wide spread diameter for high reliability regardless of the tolerance of the filament used. The filament path is fully guided throughout the extruder body and the housing maintains tight tolerances to the drive gears mitigating the chances of Filament Misfeed when the hotend experiences increased back pressure or highly flexible filaments are used.

 

Adjustable tension

The thumbscrew tensioner allows the user to fine-tune the pressure exerted by the drive gears onto the filament. This gives you the power to adjust according to your preferences and to optimize for the type of material you are using.

 

Quick-Release

To be able to do material changes in a snap, simply activate the Quick-Release lever to release the tension and pull the material to be changed out of the extruder, keep it activated and insert the new material.

 

Feeding direction

The QR-M feeds material with equal force in both directions so it is flexible when it comes to integrate it in your application.

 

Each unit comes assembled, tested and verified for optimal performance.
Recommended motor current setting: 1.2A
E-steps setting: 476.5 (1.75mm) (492.45 2.85 mm) steps/mm

 

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