The Bondtech BMG-M extruder combines high performance and resolution with low weight. Together with our proven and highly celebrated Dual-Drive technology you can expect problem free material feeding.
Designed for Mosquito
This extruder is optimized for the Mosquito / Mosquito Magnum hotends with and integrated torque lock system to make the interface very strong and makes nozzle changes a breeze.
Made with PA12 by SLS
The housing parts are professionally SLS printed in nylon for maximum strength and precision.
This extruder only supports 1.75 mm size filament.
What’s in the box
The following elements are supplied with the BMG-M:
- BMG-M Assembly with Drive Gears and Push-fit;
- Thumbscrew Assembly;
- Brass Motor Gear with Set Screw
Nickel Coated Hardened Steel Drive Gears
The Bondtech BMG-M utilizes an internal gearing ratio of 3:1 together with precision cnc-machined NIckel Coated 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.
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.
Our BMG™ extruder 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 mm filaments, but has been tested to ensure performance of filament from 1.5mm up to 2.0mm allowing 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.
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.
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.
This extruder is optimized for the Mosquito / Mosquito Magnum hotends with and integrated torque lock system to make the interface very strong and makes nozzle changes a breeze. Mounting your hotend is simple, secure, and wobble free by means of just two bolts.
The following parts are NOT included in this product: mounting bracket; stepper motor; Hotends; Heaters, Thermistors, and their Cables.
To use this Bondtech Extruder, 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 Mosquito Thermistor;
- the Mosquito 12v 50w Heater Cartridge or the Mosquito 24v 50w Heater Cartridge;
- one or more Vanadium Nozzles;
- a Mosquito 12v fan or a Mosquito 24v fan to cool down the hotend;
- a 1.5Nm Torque Wrench to properly tighten the nozzle(s).
Flexible mounting options
We have designed a standard mounting bracket CNC-machined in 3 mm aluminum for maximum stability. Please see below for available mounts.
The extruder fits any Nema17 stepper motor with a standard 5 mm shaft. For suitable stepper motors, please select one from our webshop or use your own motor.
Weight without motor: 75g
E-step value: 415
|Freight Weight||135 g|
|Dimensions||14 × 9.5 × 6.5 cm|
Step By Step Guide
Follow this guide to learn how to attach a Mosquito hotend ot the BMG-M.
About the e-steps
Important notice regarding e-steps
The value for the e-steps we present in the description tab is the most common scenario:
1.8°/step motors and 16 bit micro-stepping.
The e-steps depend on:
- the stepper motor angle per step. The most common is 1.8°. Some printers use other kinds;
- The mainboard micro-stepping setting. The most common is 16 bit. Some boards may use other bit settings.
There is a directly proportional relationship with micro-stepping bits:
If the micro-stepping is double, eg. 32bit, double also the e-steps value.
And an inverse proportional relationship with angle per step:
If the stepper motor angle per step is half, eg. 0.9, double the e-steps value.
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