Filament Heads

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Filament heads are how we print (using FFF or FDM) with filament-based materials which are deposited at over 150°C, depending on the head.

Note that at present, our Filament heads work with 1.75mm filament (actually, 1.6mm to 1.9mm), but not 3mm filament.

Materials for Filament Heads

The following materials can be printed from Filament heads.

  • ABS (Acrylonitrile Butadiene Styrene)
    • Flame Retardant ABS
    • ABS - PC Alloy
    • Conductive ABS
    • Smart ABS
  • BendLay
  • Flex 45
  • HIPS (High-Impact PolyStyrene)
  • LayBrick
  • LayWoo-d3
  • MoldLay
  • Ninjaflex
  • Nylon
    • Taulman 618, 645, 910
  • PC (PolyCarbnoate)
  • PEI (PolyEtherImide) - AKA Ultem
  • PEEK (PolyEther Ether Ketone)
  • PET (PolyEthylene Terephthalate)
  • PETG PolyEthylene Terephthalate Glycol-modified)
  • PLA (PolyLactic Acid)
    • EcoFlex PLA
    • Conductive PLA
    • SS PLA (Stainless Steel infused)
  • PlastInk_Rubber
  • PP (PolyPropylene)
  • PVA (PolyVinyl Alcohol)
  • T-Glase
  • Ultem

Filament Heads

Filament-based printing is available through the following heads:

Discontinued heads:

  1. General Filament Head Videos:
    1. Yt.png MK Series Printing Tips
    2. Yt.png Post Processing with a Heat Gun
    3. Yt.png Loading and Unloading Filament in the MK Series head
  2. MK1-250 Extruder for Standard Filament Videos:
    1. Yt.png Overview
    2. Yt.png Loading and Printing
  3. MK2-250 Extruder for Flexible Filament Videos:
    1. Yt.png Overview
    2. Yt.png Loading and Printing
  4. MK1-450 Extruder for High-Temperature Filament Videos:
    1. Yt.png Overview
    2. Yt.png Loading and Printing

Please see our Data Sheets as well.

Table of Filament Heads

The following table compares the properties of the various Filament heads, including which heads are recommended for which materials. The MK1 heads drive material from one side, with a spring-loaded bearing system to maintain pressure and positioning. The MK2 heads drive the material from both sides, and are designed for more flexible filaments.

Filament Head Properties
Head Min Temp Max Temp Filament Type Filament
Size
in mm
Nozzle
Type
Nozzle Sizes
in mm
Recommended For Description
FH2-260
high torque
150°C 250°C
* 265°C
Standard 1.75
+/-
0.15
E3D v6
compatible
standard
options
ABS, HIPS, LayBrick, LayWood, Nylon, PC, PET, PETG, PETT, PLA, PP, PVA, T-Glase High Torque for Standard 1.75mm Filaments
FH2-450
high torque
275°C 450°C Engineering 1.75
+/-
0.15
E3D v6 or MK8
compatible
standard
options
PEEK, PEI (Ultem), PEKK, PPSU High Torque for High Temperature 1.75mm Filaments
HT3-260
high torque
150°C 250°C
* 265°C
Standard 2.85
+/-
0.15
E3D v6
compatible
3 mm bore
standard
options
ABS, HIPS, LayBrick, LayWood, Nylon, PC, PET, PETG, PETT, PLA, PP, PVA, T-Glase High Torque for Standard 2.85mm Filaments
HT3-450
high torque
275°C 450°C Engineering 2.85
+/-
0.15
E3D v6 or MK8
compatible
3 mm bore
standard
options
PEEK, PEI (Ultem), PEKK, PPSU High Torque for High Temperature 2.85mm Filaments

Research Papers Citing Hyrel Filament

These are now listed by year here.

Firmware Versions for Filament Heads

Firmware information is listed on our Firmware page.

Changing Nozzles

How to disassemble the nozzle from the MK1 head:

  1. Carefully:
  2. Heat to the printing temperature of the material loaded.
  3. Move the manual lever to the left, retracting material until it is free of the hobbed shaft, then remove by hand.
  4. Turn off heat to the head and remove it from the yoke.
  5. With a 1/4" driver or wrench, remove the nozzle.
  6. Inspect the nozzle cavity for any stray material; if found, remove with tweezers, solvent, air pressure or other means.

How to reassemble the nozzle on an MK1 head:

  1. Carefully:
  2. Ensure your MK1 has no filament loaded.
  3. With a 1/4" driver or wrench, attach the nozzle.
  4. Use normal procedure for heating and loading filament.