Difference between revisions of "EHR"

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(Created page with "Category:Hardware Category:Printers {| align="right" | __TOC__ |} == Engine Models == The Engine is the unenclosed model, and may be configured as follows: {| bor...")
 
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== Engine Models ==
+
The EHR is our High Resolution unenclosed printer designed for bioprinting on the desktop or inside of a fume hood.
  
−
The Engine is the unenclosed model, and may be configured as follows:
+
[[File:EHR.png|400px]]
  
−
{| border="1" class="wikitable" style="text-align: center"
+
== Technical Data ==
−
|+ CURRENT Engine Model Comparison - as of January, 2021
+
 
−
! Model
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Technical specifications and accessory compatibility for printers currently shipping are detailed in the comparison chart on the '''[[Printer Overview]]''' page.
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! Engine SR <br> Standard Resolution
+
 
−
! Engine HR <br> High Resolution
+
== History ==
−
|-
+
 
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! Image
+
All improvements introduced were implemented to the existing line, obsoleting previous versions (with no price increases):
−
| <gallery>File:ENG.jpg</gallery> || <gallery>File:EHR.png</gallery>
 
−
|-
 
−
! Heated Build Platform
 
−
| yes || yes
 
−
|-
 
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! Integrated Tablet PC
 
−
| yes || yes
 
−
|-
 
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! Initial Heads
 
−
| 1 || 1
 
−
|-
 
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! Maximum Heads
 
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| 4 || 3
 
−
|-
 
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! X/Y-Axes Motion Control
 
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| Belts || Precision Ball Screws
 
−
|-
 
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! Z-Axis Motion Control
 
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| Precision Ball Screw || Precision Ball Screw
 
−
|-
 
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! Positional Resolution <br> X / Y / Z in μm
 
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| <10 / <10 / <1 || <1.25 / <1.25 / <1
 
−
|-
 
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! Positional Accuracy <br> X / Y / Z in μm
 
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| <50 / <50 / <10 || <12 / <12 / <10
 
−
|-
 
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! Positional Repeatability <br> X / Y / Z in μm
 
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|  <25 / <25 / <5 || <12 / <12 / <5
 
−
|-
 
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! Precise X/Y Output <br> for Bioplots
 
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| 100 μm lines <br> 200 μm spacing || '''50 μm lines <br> 100 μm spacing'''
 
−
|-
 
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! Precise Z output <br> for Bioplots
 
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| 25 μm layers || 25 μm layers
 
−
|-
 
−
|}
 
  
 +
* The EHR was introduced in 2016, equipped with precision ball screws in all axes. It is able to print in wellplates and fits in most fume hoods.
 +
* We introduced sub-ambient (chilled) beds and syringe heads specifically for the EHR in 2020.
 +
* The EHR v2 began shipping in January 2021, equipped with better motors with closed-loop feedback and quieter operation.
 +
* As of June 2021, all units are CE marked.
 +
* As of 2023, all units ship with MKS motor drivers.
  
−
For reference, the initial Engine configurations were as follows:
+
== Internals ==
−
{| border="1" class="wikitable"
 
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|+ <span style="color:red">OLD Engine Model Comparison - DISCONTINUED</span>
 
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! Model
 
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! E1 <br/> Tinkerer <br> <span style="color:red">DISCONTINUED</span>
 
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! E2 <br/> Hobbyist <br> <span style="color:red">DISCONTINUED</span>
 
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! E3 <br/> Apprentice <br> <span style="color:green">SEE Engine SR</span>
 
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! E4 <br/> Journeyman <br> <span style="color:red">DISCONTINUED</span>
 
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! E5 <br/> Professional <br> <span style="color:red">DISCONTINUED</span>
 
−
|- style="text-align:center;"
 
−
! Heated Build Platform
 
−
| no || yes || yes || yes || yes
 
−
|- style="text-align:center;"
 
−
! Integrated PC <br/> & Touchscreen <br/> or Tablet PC
 
−
| no || no || yes || yes || yes
 
−
|- style="text-align:center;"
 
−
! Initial Heads
 
−
| 1 || 1 || 1 || 2 || 4
 
−
|- style="text-align:center;"
 
−
! Maximum Heads
 
−
| 4 || 4 || 4 || 4 || 4
 
−
|}
 
  
−
== Technical Data ==
+
Here is an explanation of the internal electronics of the Hydra 21. '''Click any images for larger versions.'''
−
 
−
=== Adjustments ===   
 
−
* Speed of travel (at slicing or in g-code editor)
 
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* Layer thickness (at slicing)
 
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* Volume of flow per unit distance (at slicing or in g-code editor)
 
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* Extruder temperature (at slicing, in g-code editor, or manually during build) (MK-1, VOL-25)
 
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* Cooling Fan speed (at slicing, in g-code editor, or manually during build (MK-1, QS-1)
 
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* HotBed Temperature (at slicing, in g-code editor, or manually during build)
 
  
−
''Or, is tabular better?''
+
To access the electronics, please follow the instructions at https://www.youtube.com/watch?v=Dlta7KSt3bE
  
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{| border="1" class="wikitable"
+
{| border="1" class="wikitable" style="text-align: center"
−
|+ Adjustments
 
−
! Metric
 
−
! Units
 
−
! During Slicing
 
−
! In G-Code Editor
 
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! GUI During Build
 
−
|-
 
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! Speed of Travel
 
−
| mm/min || yes || yes || no
 
−
|-
 
−
! Layer Thickness
 
−
| mm || yes || no || no
 
 
|-
 
|-
−
! Flow Rate
+
! Internal Circuitry
−
| nL/sec || yes || yes || yes
+
! Tablet Interface Board<br>DC and Controls
 +
! Spine Board<br>DC and Controls on Older Models
 
|-
 
|-
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! Extruder Temperature
+
! Current, 2023+
−
| °C || yes || yes || yes
+
| <gallery>File:Ehr_tib_2024.jpg</gallery>
 +
| <gallery>File:Spine_2024.jpg</gallery>
 
|-
 
|-
−
! Fan Speed
+
! Current, Detailed
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| % of max || yes || yes || yes
+
| <gallery>File:TIB_noted_2024.jpg</gallery>
 +
| ''The EHR spine board only passes <br> current and signals between the <br> TIB and the Yoke and X-Arm.''
 
|-
 
|-
−
! HotBed
+
! Older, Detailed
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| °C || yes || yes || yes
+
| <gallery>File:16A_TIB_2021_L.jpg</gallery>
 +
| ''The EHR spine board only passes <br> current and signals between the <br> TIB and the Yoke and X-Arm.''
 +
|  
 
|-
 
|-
 
|}
 
|}

Latest revision as of 17:59, 1 July 2025

The EHR is our High Resolution unenclosed printer designed for bioprinting on the desktop or inside of a fume hood.

EHR.png

Technical Data

Technical specifications and accessory compatibility for printers currently shipping are detailed in the comparison chart on the Printer Overview page.

History

All improvements introduced were implemented to the existing line, obsoleting previous versions (with no price increases):

  • The EHR was introduced in 2016, equipped with precision ball screws in all axes. It is able to print in wellplates and fits in most fume hoods.
  • We introduced sub-ambient (chilled) beds and syringe heads specifically for the EHR in 2020.
  • The EHR v2 began shipping in January 2021, equipped with better motors with closed-loop feedback and quieter operation.
  • As of June 2021, all units are CE marked.
  • As of 2023, all units ship with MKS motor drivers.

Internals

Here is an explanation of the internal electronics of the Hydra 21. Click any images for larger versions.

To access the electronics, please follow the instructions at https://www.youtube.com/watch?v=Dlta7KSt3bE

Internal Circuitry Tablet Interface Board
DC and Controls 		Spine Board
DC and Controls on Older Models
Current, 2023+
  • Ehr tib 2024.jpg
  • Spine 2024.jpg
Current, Detailed
  • TIB noted 2024.jpg
 The EHR spine board only passes
current and signals between the
TIB and the Yoke and X-Arm.
Older, Detailed
  • 16A TIB 2021 L.jpg
 The EHR spine board only passes
current and signals between the
TIB and the Yoke and X-Arm.
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