Difference between revisions of "Filament Heads"

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Hot Flow is our term for filament-based materials which are deposited at over 150°C, depending on the head.
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 Hot Flow heads work with 1.75mm filament (actually, 1.6mm to 1.9mm), but not 3mm filament.
Note that at present, our Filament heads work with 1.75mm filament (actually, 1.6mm to 1.9mm), but not 3mm filament.


==Materials for Hot Flow==
==Materials for Filament Heads==


The following materials can be printed from Hot Flow heads.  
The following materials can be printed from Filament heads.  


<div style="column-count:5;-moz-column-count:5;-webkit-column-count:5">
<div style="column-count:5;-moz-column-count:5;-webkit-column-count:5">
Line 45: Line 45:
</div>
</div>


==Heads for Hot Flow==
==Filament Heads==


Hot Flow is available through the following heads:
Filament-based printing is available through the following heads:


<gallery>
<gallery>
File:MK1-250.png|[[MK1-250]]
File:MK1-250.png|[[MK1-250]]
File:MK2-250.png|[[MK2-250]]
File:MK2-250.png|[[MK2-250]]
File:MK1-450.png|[[MK1-450]]
File:MK1-450.png|''[[MK1-450]]''
File:HT.jpg|[[HT1-250]]
File:HT.jpg|[[HT1-450]]
File:HT.jpg|[[HT3-250]]
File:HT.jpg|[[HT3-450]]
</gallery>
</gallery>


# '''General MK Series Videos:'''
# '''General Filament Head Videos:'''
## [[File:Yt.png]] [https://www.youtube.com/watch?v=Fg9omXlYR-Q MK Series Printing Tips]
## [[File:Yt.png]] [https://www.youtube.com/watch?v=Fg9omXlYR-Q MK Series Printing Tips]
## [[File:Yt.png]] [https://www.youtube.com/watch?v=0Aj9WCabPgw Post Processing with a Heat Gun]
## [[File:Yt.png]] [https://www.youtube.com/watch?v=0Aj9WCabPgw Post Processing with a Heat Gun]
Line 67: Line 71:
# '''MK1-450''' Extruder for High-Temperature Filament Videos:
# '''MK1-450''' Extruder for High-Temperature Filament Videos:
## [[File:Yt.png]] [https://www.youtube.com/watch?v=UvZMecXsHEM Overview]
## [[File:Yt.png]] [https://www.youtube.com/watch?v=UvZMecXsHEM Overview]
## [[File:Yt.png]] Loading and Printing
## [[File:Yt.png]] [https://www.youtube.com/watch?v=v2ifSlZ0qEw Loading and Printing]
 
Please see our [[Data Sheets]] as well.


=== Table of Filament Heads ===


The following table compares the properties of the various Hot Flow heads, including which heads are recommended for which materials. The MK1 heads drive matieral 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.
The following table compares the properties of the various Filament heads, including which heads are recommended for which materials. The MK1 heads drive matieral 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.


{| border="1" class="wikitable sortable" style="width: 85%;"
{| border="1" class="wikitable" style="width: 85%;"
|+ Hot Flow Head Properties
|+ Filament Head Properties
! style="width: 10%;" | Head
! style="width: 5%;" | Head
! style="width: 10%;" | Min Temp
! style="width: 5%;" | Min Temp
! style="width: 10%;" | Max Temp
! style="width: 5%;" | Max Temp
! style="width: 10%;" | Filament Type
! style="width: 5%;" | Filament Type
! style="width: 10%;" | Nozzle
! style="width: 5%;" | Filament <br> Size <br> in mm
! style="width: 20%;" | Recommended For
! style="width: 10%;" | Nozzle <br> Type
! style="width: 5%;" | Nozzle Sizes <br> in mm
! style="width: 15%;" | Recommended For
! style="width: 15%;" | Description
|-
|-
! [[MK1-250]]
! [[MK1-250]]
| 150°C
| 150°C
| 250°C
| 250°C<br>* 265°C
| Standard
| Standard
| .35mm, .50mm, .75mm, 1.0mm
| 1.75 <br> +/-  <br> 0.15
| Hyrel<br>Special
| .35, .50, .75, 1.0
| ABS, HIPS, LayBrick, LayWood, Nylon, PC, PET, PETG, PETT, PLA, PP, PVA, T-Glase
| ABS, HIPS, LayBrick, LayWood, Nylon, PC, PET, PETG, PETT, PLA, PP, PVA, T-Glase
| Standard Torque for 1.75mm Filaments
|-
|-
! [[MK2-250]]
! ''[[MK1-450]] <br> ''
| 275°C
| 450°C
| Engineering
| 1.75 <br> +/-  <br> 0.15
| E3D v6 or MK8<br>compatible
| ''standard <br> options''
| PEEK, PEI (Ultem), PEKK, PPSU
| Standard  Torque for High Temperature 1.75mm Filaments
|-
! [[MK2-250]] <br> ''extra torque''
| 150°C
| 150°C
| 250°C
| 250°C
| Flexible
| Flexible
| .35mm, .50mm, .75mm, 1.0mm
| 1.75 <br> +/- <br>  0.15
| Hyrel<br>Special
| .35, .50, .75, 1.0
| BendLay, EcoFlex PLA, FilaFlex, Flex45, Ninjaflex, PlastInk Rubber
| BendLay, EcoFlex PLA, FilaFlex, Flex45, Ninjaflex, PlastInk Rubber
| High Torque for Flexible 1.75mm Filaments
|-
! [[HT1-250]] <br> ''high torque''
| 150°C
| 250°C<br>* 265°C
| Standard
| 1.75 <br> +/-  <br> 0.15
| E3D v6<br>compatible
| ''standard <br> options''
| ABS, HIPS, LayBrick, LayWood, Nylon, PC, PET, PETG, PETT, PLA, PP, PVA, T-Glase
| High Torque for Standard 1.75mm Filaments
|-
|-
! [[MK1-450]]
! [[HT1-450]] <br> ''high torque''
| 250°C
| 275°C
| 450°C
| Engineering
| 1.75 <br> +/-  <br> 0.15
| E3D v6 or MK8<br>compatible
| ''standard <br> options''
| PEEK, PEI (Ultem), PEKK, PPSU
| High Torque for High Temperature 1.75mm Filaments
|-
! [[HT3-250]] <br> ''high torque''
| 150°C
| 250°C<br>* 265°C
| Standard
| 2.85 <br> +/- <br>  0.15
| E3D v6<br>compatible<br>3 mm bore
| ''standard <br> options''
| ABS, HIPS, LayBrick, LayWood, Nylon, PC, PET, PETG, PETT, PLA, PP, PVA, T-Glase
| High Torque for Standard 2.85mm Filaments
|-
! [[HT3-450]] <br> ''high torque''
| 275°C
| 450°C
| 450°C
| Engineering
| Engineering
| .50mm
| 2.85 <br> +/- <br>0.15
| PEEK, PEI (Ultem)
| E3D v6 or MK8<br>compatible <br> 3 mm bore
| ''standard <br>options''
| PEEK, PEI (Ultem), PEKK, PPSU
| High Torque for High Temperature 2.85mm Filaments
|-
|-
|}
|}


==Research Papers Citing Hyrel Hot Flow==
''* limited use at up to 265°C''


* [http://hyrel3d.net/papers/RFID_Tag_Combining_3D_and_Inkjet_Printing.pdf Button-Shaped RFID Tag Combining Three-Dimensional and Inkjet Printing Technologies], [http://digital-library.theiet.org/content/journals/iet-map The IET Digital Library].
==Research Papers Citing Hyrel Filament==
* [http://hyrel3d.net/papers/Fully_3D-Printed_RF_Structures.pdf Demonstration and Characterization of Fully 3D-printed RF Structures], [http://www.ieee.org/index.html The Institute of Electrical and Electronics Engineers, Incorporated (IEEE)]
* [http://hyrel3d.net/papers/NinjaFlex_Filament_for_Antenna_Applications.pdf Infill Dependent 3D-Printed Material Based on NinjaFlex Filament for Antenna Applications], [http://www.ieee.org/index.html The Institute of Electrical and Electronics Engineers, Incorporated (IEEE)]
* [http://hyrel3d.net/papers/Novel_Strain_Sensor_Based_on_3D_Printing.pdf A Novel Strain Sensor Based on 3D Printing Technology and 3D Antenna Design], [http://www.ieee.org/index.html The Institute of Electrical and Electronics Engineers, Incorporated (IEEE)]
* [http://hyrel3d.net/papers/3D_Printed_Loop_Antenna_for_Wearable_and_IoT_Applications.pdf A Novel 3-D Printed Loop Antenna Using Flexible NinjaFlex Material for Wearable and IoT Applications], [http://www.ieee.org/index.html The Institute of Electrical and Electronics Engineers, Incorporated (IEEE)]
* [http://hyrel3d.net/papers/RF_Characterization_of...NinjaFlex.pdf RF Characterization of 3D Printed Flexible Materials - NinjaFlex Filaments], [http://www.eumwa.org/en/euma/ The European Microwave Association (EuMA)]
*[http://hyrel3d.net/papers/Nano-Material_Based_Flexible_RF_Sensors.pdf Nano-Material Based Flexible Radio Frequency Sensors for Wearable Health and Environment Monitoring: Designs and Prototypes Utilizing 3D/Inkjet Printing Technologies], A Dissertation Presented to The Academic Faculty of [https://www.ece.gatech.edu/ The School of Electrical and Computer Engineering at Georgia Tech]


==Settings for Hot Flow Heads - Repetrel Version 2.x==
These are now listed by year '''[[Research_Papers | here]]'''.


This is for Repetrel version 2.x. Hydra units, and other units shipping as of summer 2017 will have version 3.x, and should consult the version 3.x tables, below. All units should be upgraded to 3.x when it is available.
== Firmware Versions for Filament Heads ==
 
Firmware information is listed [[Firmware|on our Firmware page]].
 
==Settings for Filament Heads ==
 
All printers and heads shipping after 1 Jan 2020 have shipped with some release of version 4, and these values are shown below.  
 
'''[[Filament_Heads_OLD|Older settings are listed here.]]'''


Some settings for the MK-Type heads (like temperature, prime/unprime values) will vary, depending on what material you are printing with. Nozzle diameter should accurately reflect what nozzle you have loaded (0.5mm is default) AND what path width you sliced for (recipe path or extrusion width should be nozzle diameter plus 10%). Having said that, here are our default shipping settings:
Some settings for the MK-Type heads (like temperature, prime/unprime values) will vary, depending on what material you are printing with. Nozzle diameter should accurately reflect what nozzle you have loaded (0.5mm is default) AND what path width you sliced for (recipe path or extrusion width should be nozzle diameter plus 10%). Having said that, here are our default shipping settings:


{| class="wikitable" style="text-align: center;"
{| class="wikitable" style="text-align: center;"
! style="width: 20%" | Settings
! style="width: 10%" | Settings
! style="width: 20%" | [[MK1-250]], [[MK2-250]]
! style="width: 10%" | [[MK1-250]], [[MK2-250]]
! style="width: 20%" | [[MK1-450]] <br> ''(formerly -350 or -400)''
! style="width: 10%" | [[MK1-450]]
! style="width: 20%" | MK1-650*
! style="width: 10%" | [[HT1-250]]
! style="width: 20%" | MK1-850*
! style="width: 10%" | [[HT1-450]]
|-  
! style="width: 10%" | [[HT3-250]]
!colspan="5"| Material
! style="width: 10%" | [[HT3-450]]
|-
!colspan="7"| Material
|-  
|-  
! Type  
! Type  
| (any)
| (any)
| (any)
| (any)  
| (any)  
| (any)
| (any)
| (any)  
| (any)  
| (any)
|-  
|-  
! Color  
! Color  
| (any)
| (any)
| (any)
| (any)  
| (any)  
| (any)
| (any)
| (any)
| (any)
| (any)
|-  
|-  
! Nozzle  
! Nozzle  
| 0.500  
| 0.500
| 0.500  
| 0.500
| 0.500
| 0.500
| 0.500
| 0.500
| 0.500
| 0.500
|-  
|-  
! Layer  
! Layer
| (any)
| (any)
| (any)
| (any)
| (any)
| (any)
| (any)
| (any)
| (any)
| (any)
|-
|-  
!colspan="7"| Temp Info
!colspan="5"| Temp Info
|-  
|-  
! Print Temp  
! Print Temp  
| 240
| 240
| 410
| 410
| 800
| 240
| 1200
| 410
| 240
| 410
|-  
|-  
! Power Factor
! Power Factor
| 100
| 100
| 100
| 100
| 100
| 100
Line 168: Line 243:
|-  
|-  
! Minimum
! Minimum
| (any)
| 0
| (any)
| 290
| (any)
| 0
| (any)
| 290
| 0
| 290
|-  
|-  
! Maximum
! Maximum
| (any)
| 250
| (any)
| 450
| (any)
| 250
| (any)
| 450
| 250
| 450
|-  
|-  
!colspan="5"| Overrides
!colspan="7"| Overrides
|-  
|-  
! Pulses
! Pulses / µL
| 0.78
| 84.5
| 0.78
| 84.5
| 0.78
| 175
| 0.78
| 175
|-  
| ?
! Feed Rate %
| ?
| 1.000  
|-
! Multiplier
| 1.000
| 1.000
| 1.000
| 1.000
| 1.000
| 1.000
| 1.000
| 1.000
| 1.000
|-  
|-  
|colspan="5"| '''Prime''' <br> ''Please note that Prime values will vary greatly from those shown, depending on the flexibility of your material.''
!colspan="7"| Prime
|-  
|-  
! Steps
! Steps
| 200
| 200
| 200
| 200
| 200
| 200
| 300
| 300
| ?
| ?
|-  
|-  
! Rate
! Rate
| 10,000
| 10,000
| 10,000  
| 10,000  
| 10,000
| 10,000
Line 207: Line 294:
| 10,000
| 10,000
|-  
|-  
! Dwell Time (ms)
! Dwell Time
| 50
| 35
| 50
| 35
| 50
| 30
| 50
| 30
|-  
| ?
| ?
|-
! Before Tool Change
! Before Tool Change
| 2
| colspan="7"| <span style="color: red;">2</span> / <span style="color: blue;">n/a</span> / <span style="color: green;">n/a</span>
| 2
|-
| 2
!colspan="7"| Unprime
| 2
|-  
|colspan="5"| '''Unprime'''  <br> ''Please note that Unprime values will vary greatly from those shown, depending on the flexibility of your material.''
|-  
|-  
! Steps
! Steps
| 200
| 200
| 200
| 200
| 200
| 300
| 200
| 300
| ?
| ?
|-  
|-  
! Rate
! Rate
Line 231: Line 319:
| 10,000
| 10,000
| 10,000  
| 10,000  
| 10,000
| 10,000
| 10,000
| 10,000
|-  
|-  
! Dwell Time (ms)
! Dwell Time
| 50
| -35
| 50
| -35
| 50
| -30
| 50
| -30
|-  
| ?
| ?
|-
! After Tool Change
! After Tool Change
| 2
| colspan="6"|<span style="color: red;">2</span> / <span style="color: blue;">n/a</span> / <span style="color: green;">n/a</span>
| 2
|-
| 2
!colspan="7"| Offsets
| 2
|-  
!colspan="5"| Offsets
|-  
|-  
! Clone Head
! Clone Head
| Off
| Off
| Off
| Off
| Off
| Off
| Off  
| Off  
| Off  
| Off  
Line 256: Line 347:
| 0,000  
| 0,000  
| 0,000  
| 0,000  
| 0,000
| 0,000
| 0,000
| 0,000
| 0,000
| 0,000
Line 262: Line 355:
| 0,000  
| 0,000  
| 0,000  
| 0,000  
| 0,000
| 0,000
| 0,000
| 0,000
| 0,000
| 0,000
Line 267: Line 362:
! Z
! Z
| 0,000  
| 0,000  
| 0,000
| 0,000
| 0,000
| 0,000
| 0,000  
| 0,000  
| 0,000
| 0,000
|-  
|-  
!colspan="5"| Head Info
!colspan="7"| Head Info
|-  
|-  
! Model
! Model
| 250
| MK1, MK2
| 350
| MK450
| 650
| MK1, MK2
| 850
| MK450
| MK1, MK2
| MK450
|-
! PCB Type
| 4988/160J
| 4988/160J
| 4988/160J
| 4988/160J
| 4988/160J
| 4988/160J
|-  
|-  
! RTD Type
! RTD Type
| 1 Meg
| 1k_PRTD
| 1 Meg
| 1k_PRTD
| 1 Meg
| 1k_PRTD
| 1 Meg
| 1k_PRTD
| 1k_PRTD
| 1k_PRTD
|-  
|-  
! Motor Current
! Plot Settings  
| High
| (any)  
| High
| High
| High
|-
! Step Mode
| Sixteenth
| Sixteenth
| Sixteenth
| Sixteenth
|-
| colspan="5"| ''*In development.''
|}
 
==Settings for Hot Flow Heads - Repetrel Version 3.x==
 
This is for Repetrel version 3.x. Hydra units, and other units shipping as of summer 2017 will have version 3.x. All units should be upgraded to 3.x when it is available. Units running 2.x should consult the 2.x tables, above.
 
{| class="wikitable" style="text-align: center;"
! style="background-color: pink;" | <span style="color: maroon;">'''''Changes from v2.x will be inicated in this manner.'''''</span>
|}
 
Some settings for the MK-Type heads (like temperature, prime/unprime values) will vary, depending on what material you are printing with. Nozzle diameter should accurately reflect what nozzle you have loaded (0.5mm is default) AND what path width you sliced for (recipe path or extrusion width should be nozzle diameter plus 10%). Having said that, here are our default shipping settings:
 
{| class="wikitable" style="text-align: center;"
! style="width: 20%" | Settings
! style="width: 20%" | [[MK1-250]], [[MK2-250]]
! style="width: 20%" | [[MK1-450]] <br> ''(formerly -350 or -400)''
! style="width: 20%" | MK1-650*
! style="width: 20%" | MK1-850*
|-
!colspan="5"| Material
|-
! Type
| (any)
| (any)  
| (any)  
| (any)
| (any)  
| (any)  
|-
! Color
| (any)  
| (any)  
| (any)
| (any)
| (any)  
| (any)  
|-
! Nozzle
| 0.500
| 0.500
| 0.500
| 0.500
|-
! Layer
| (any)
| (any)
| (any)
| (any)  
| (any)  
|-  
|-
!colspan="5"| Temp Info
! colspan="7"| Motor Settings
|-  
|-
! Print Temp
! Step Mode
| 240
| 16th
| 410
| 16th
| 800
| 16th
| 1200
| 16th
|-
| 16th
! Power Factor
| 16th
| 100
|-
| 100
| 100
| 100
|-
! Minimum
| (any)
| (any)
| (any)
| (any)
|-
! Maximum
| (any)
| (any)
| (any)
| (any)
|-
!colspan="5"| Overrides
|-
! style="background-color: pink;" | <span style="color: maroon;">'''''Pulses'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''108'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''108'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''108'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''108'''''</span>
|-
! Feed Rate %
| 1.000
| 1.000
| 1.000
| 1.000
|-
|colspan="5"| '''Prime''' <br> ''Please note that Prime values will vary greatly from those shown, depending on the flexibility of your material.''
|-
! Steps
| 200
| 200
| 200
| 200
|-
! Rate
| 10,000
| 10,000
| 10,000
| 10,000
|-
! style="background-color: pink;" | <span style="color: maroon;">'''''Dwell Time (ms)'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''35'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''35'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''35'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''35'''''</span>
|-
! Before Tool Change
| 2
| 2
| 2
| 2
|-
|colspan="5"| '''Unprime'''  <br> ''Please note that Unprime values will vary greatly from those shown, depending on the flexibility of your material.''
|-
! Steps
| 200
| 200
| 200
| 200
|-
! Rate
| 10,000
| 10,000
| 10,000
| 10,000
|-
! style="background-color: pink;" | <span style="color: maroon;">'''''Dwell Time (ms)'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''-35'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''-35'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''-35'''''</span>
| style="background-color: pink;" | <span style="color: maroon;">'''''-35'''''</span>
|-
! After Tool Change
| 2
| 2
| 2
| 2
|-
!colspan="5"| Offsets
|-
! Clone Head
| Off
| Off
| Off
| Off
|-
! X
| 0,000
| 0,000
| 0,000
| 0,000
|-
! Y
| 0,000
| 0,000
| 0,000
| 0,000
|-
! Z
| 0,000
| 0,000
| 0,000
| 0,000
|-
!colspan="5"| Head Info
|-
! Model
| 250
| 350
| 650
| 850
|-
! RTD Type
| 1 Meg
| 1 Meg
| 1 Meg
| 1 Meg
|-  
! Motor Current
! Motor Current
| High
| Normal
| High
| Normal
| High
| Normal
| High
| Normal
|-  
| Normal
! Step Mode
| Normal
| Sixteenth
|-
| Sixteenth
! Max Jog Rate
| Sixteenth
| 1,500
| Sixteenth
| 1,500
| 1,500
| 1,500
| 1,500
| 1,500
|-
! Rot Speed
| 1,500
| 1,500
| 1,500
| 1,500
| 1,500
| 1,500
|-
|-
| colspan="5"| ''*In development.''
! style="width: 10%" | Settings
! style="width: 10%" | [[MK1-250]], [[MK2-250]]
! style="width: 10%" | [[MK1-450]]
! style="width: 10%" | [[HT1-250]]
! style="width: 10%" | [[HT1-450]]
! style="width: 10%" | [[HT3-250]]
! style="width: 10%" | [[HT3-450]]
|}
|}


Latest revision as of 12:15, 10 November 2021


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:

  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 matieral 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
MK1-250 150°C 250°C
* 265°C 		Standard 1.75
+/-
0.15 		Hyrel
Special 		.35, .50, .75, 1.0 ABS, HIPS, LayBrick, LayWood, Nylon, PC, PET, PETG, PETT, PLA, PP, PVA, T-Glase Standard Torque for 1.75mm Filaments
MK1-450
275°C 450°C Engineering 1.75
+/-
0.15 		E3D v6 or MK8
compatible 		standard
options 		PEEK, PEI (Ultem), PEKK, PPSU Standard Torque for High Temperature 1.75mm Filaments
MK2-250
extra torque 		150°C 250°C Flexible 1.75
+/-
0.15 		Hyrel
Special 		.35, .50, .75, 1.0 BendLay, EcoFlex PLA, FilaFlex, Flex45, Ninjaflex, PlastInk Rubber High Torque for Flexible 1.75mm Filaments
HT1-250
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
HT1-450
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
HT3-250
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

* limited use at up to 265°C

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.

Settings for Filament Heads

All printers and heads shipping after 1 Jan 2020 have shipped with some release of version 4, and these values are shown below.

Older settings are listed here.

Some settings for the MK-Type heads (like temperature, prime/unprime values) will vary, depending on what material you are printing with. Nozzle diameter should accurately reflect what nozzle you have loaded (0.5mm is default) AND what path width you sliced for (recipe path or extrusion width should be nozzle diameter plus 10%). Having said that, here are our default shipping settings:

Settings MK1-250, MK2-250 MK1-450 HT1-250 HT1-450 HT3-250 HT3-450
Material
Type (any) (any) (any) (any) (any) (any)
Color (any) (any) (any) (any) (any) (any)
Nozzle 0.500 0.500 0.500 0.500 0.500 0.500
Layer (any) (any) (any) (any) (any) (any)
Temp Info
Print Temp 240 410 240 410 240 410
Power Factor 100 100 100 100 100 100
Minimum 0 290 0 290 0 290
Maximum 250 450 250 450 250 450
Overrides
Pulses / µL 84.5 84.5 175 175 ? ?
Multiplier 1.000 1.000 1.000 1.000 1.000 1.000
Prime
Steps 200 200 300 300 ? ?
Rate 10,000 10,000 10,000 10,000 10,000 10,000
Dwell Time 35 35 30 30 ? ?
Before Tool Change 2 / n/a / n/a
Unprime
Steps 200 200 300 300 ? ?
Rate 10,000 10,000 10,000 10,000 10,000 10,000
Dwell Time -35 -35 -30 -30 ? ?
After Tool Change 2 / n/a / n/a
Offsets
Clone Head Off Off Off Off Off Off
X 0,000 0,000 0,000 0,000 0,000 0,000
Y 0,000 0,000 0,000 0,000 0,000 0,000
Z 0,000 0,000 0,000 0,000 0,000 0,000
Head Info
Model MK1, MK2 MK450 MK1, MK2 MK450 MK1, MK2 MK450
PCB Type 4988/160J 4988/160J 4988/160J 4988/160J 4988/160J 4988/160J
RTD Type 1k_PRTD 1k_PRTD 1k_PRTD 1k_PRTD 1k_PRTD 1k_PRTD
Plot Settings (any) (any) (any) (any) (any) (any)
Motor Settings
Step Mode 16th 16th 16th 16th 16th 16th
Motor Current Normal Normal Normal Normal Normal Normal
Max Jog Rate 1,500 1,500 1,500 1,500 1,500 1,500
Rot Speed 1,500 1,500 1,500 1,500 1,500 1,500
Settings MK1-250, MK2-250 MK1-450 HT1-250 HT1-450 HT3-250 HT3-450

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.
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