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BondTech BMG Extruder


BondTech BMG Extruder


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Product Description

BondTech's BMG Extruder

In the world of 3D printing the extruder is the device that pushes the filament to the hot end. A good extruder provides constant force and great speed without destroying the filament. 

BondTech set the stage with a dual drive extruder and made 3D printing history! The BMG is the latest offering in the BondTech line up. 



The BMG is the lightest performing extruder on the market that combines low weight with high feeding capacity together with proven and highly celebrated Dual-Drive technology for maximum performance without grinding and slipping. 
For 1.75 mm size filament only.

The Bondtech BMG utilizes an internal gearing ratio of 3:1 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
Our new 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 backpressure 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.

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.

Multi-application design
This new extruder can be used in a Bowden or direct setups and gives you the flexibility to choose what works best for your application. In addition it features an integrated hotend retention method compatible with the E3D-V6 hotends or others using the Groove Mount standard. Mounting your hotend is simple, secure, and wobble free by means of just two bolts.


Flexible mounting options
See the 3D mountable file here. Or try a standard nema 17 mount

The extruder can use any Nema17 motor with a standard 5 mm shaft. For suitable motors please select one of the below or use your own motor. The pancake motor will give a snug tight fit!

This extruder is sold without motor! You can match this with our Nema 17 available here.
Weight without motor: 75g
E-step value: 415

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  1. Best extruder on the market by far

    Posted by on Oct 10th 2017

    Get one, everything else on the market is like a toy compared to this. It would be nice if it came with some basic instructions for where to put the drive gear on the stepper shaft but hey, i'm a maker, and it wasn't hard to figure it out!

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