BMG-X2 Extruder

145.04

Highlights:
BMG-X2 Extruder

The Bondtech BMG-X2 is the best and lightest performing extruder on the market that combines low weight with double high feeding capacity.

Two Versions Available
  • for the older type of Chimera/Cyclops with a c-c of 18.00 mm (see pictures with Alu Mounts);
  • for the newer Chimera+/Cyclops+ with a c-c of 20.00 mm (see pictures with red tabs).

The CC 20.00 version is compatible with the Aqua Version.
Make sure to select the correct version for your application.

This extruder only supports 1.75 mm size filament.

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Description

The Bondtech BMG-X2 is based on our proven BMG design that utilizes an internal gearing ratio of 3:1 together with precision cnc-machined hardened steel and coated drive gears to give you a compact powerhouse for all your multi extrusion 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 dual extrusion package.

NOTICE


NOT INCLUDED in this product: Alu Mounts; Hotends; Heaters, Thermistors, and their Cables.
INCLUDED in this product: 2x NEMA 17 Pancake stepper motor; 2x JST-XH6 to PC2510 Cable 700 mm. More/different Cable options available.

We use this Stepper Motor

We use, and recommend using, the following stepper motor with this extruder:
NEMA17 Pancake Stepper Motor 25mm
Basic description and datasheet can be found in its page.


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 back pressure or highly flexible filaments are used.

Adjustable Tension

The thumbscrew tensioners 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.

Included Stepper Motors

The included high power Nema17 pancake motors provides high torque and a low weight.

Flexible Mounting Options

Our standard mounting bracket in CNC machined aluminium can be used to mount the extruder as on the photos or a simple 3d printed bracket can be used. You can download a cad or stl-file of the extruder that gives you the dimensions you need in order to design your custom mounting bracket. The extruder is delivered without mounts, if you need the ALU mounts please remember to add them using the product link above (You may need).

Additional Info
A short piece of 4/2 mm PTFE tube is used to guide the filament into the hotend, the length of this PTFE tube should be 38.0 mm (does not come with the extruder)

Total weight with E3d-Chimera+: 620g
E-step value: 415

Additional information
Weight N/A
Dimensions N/A
C-C distance

18.00, 20.00

BMG-X2 Extruder

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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