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| Home :
Art Institute and Others:
Personal Protective
Equipment |
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| Echofab Protective Visor |
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| Echofab Protective
Visor -augmented version based on the
open source Proto Shields model from
Protohaven, equivalent in laser cutting of the
PRUSA model.
First place of
manufacture : Echofab
Objective :
protection against Covid-19
disease
Creation date :
April 1st, 2020 |
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Personal
Protective Equipment Face sheild parts
in Real
Size |
(2,8 MB jpg
file - dimension:
3024x2929 )
download | | | |
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1-
IntroductionDesign revised and tested by Sacré Coeur Hospital,
Centre intégré universitaire de santé et de services sociaux
du Nord-de-l'Île-de-Montréal as of 01/04/2020 Version that was
co-designed with hospital users.
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Demo |
.gif) | | |
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Save as the Face sheild
parts
in
Real
Size
- click the "Pic F"
- at the bar menu appers
- click Save picture as ...
- the dimension of picture Saved
- (width="3024"
height="2929"), the Real
Size929")
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| Pic
F. | | |
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2- Background |
In response to a call from the Government of
Canada, Quebec and the health network, Communautique, with its
team and close collaborators, has begun production of a
protective visor model for health care workers within its
échofab Fab Lab.
The initiative to offer the production
capacity of our échofab Fab Lab to serve the general interest
and in particular that of health care workers, is part of the
appeal of our Prime Minister of Canada, the Hon. Justin Trudeau,
to promote the local reappropriation of the production of essential
materials, including those necessary for health.
Communautique is also co-organizing the next Fab City Summit
(https://www.facebook.com/FabCityMontreal/). The Fab City
proposes a new urban, economic and industrial model allowing
cities to produce locally the majority of what they consume,
connected to a global network of other cities and territories
that are implementing similar strategies. The current pandemic
illustrates the need not to depend primarily on globalized
just-in-time supply channels, but also to have more redundant
and locally controlled resources.
Our announced ambition is
to develop the Fab City Montréal prototype in the Central
District of Montreal, former Cité de la Mode (Chabanel). |
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3- Evolution of
the model |
The visor offered by Communautique is an augmented
version based on the open source Proto Shield model from
Protohaven, the laser-cut equivalent of the open source Prusa
Research 3D printers model. It will be produced at low cost,
lightweight, adjustable, reusable and immediately available for
delivery to hospitals, clinics and other front-line
institutions.
https://www.protohaven.org/proto-shield/
https://www.prusaprinters.org/prints/25857-prusa-protective-face-shield-rc2
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4- Manufacturing method: laser
cutting |
We were contacted by workers in the health network
to raise awareness to the possibility of having a recyclable
visor. Being a Fab Lab invested in sustainable development, we
were very receptive. We then had valuable information on what
could or could not be recyclable in the context of the health
sector.
We searched among the solutions entirely using laser
cutting and found the Proto Shields model, from Protohaven,
based on the PRUSA model.
We made the Proto Shields, during a
quick visit to our Lab, with makeshift plastic available on
site. We compared it to the visor of the CHUM model, from there
we widened it on the sides, and removed a rigging at the bottom
of the visor which seemed to us to be of little use and risky.
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| The frame: |
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.png)
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| The visor: |
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.png)
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5- Manufacturing parameters |
Plates Dimension : 13,5'' x 21" for the visor , et
24"X 17" for the frame
Cutting machine : Trotec Speedy
300 |
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.jpg)
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.jpg)
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6- Materials |
Materials may include:
Frame : Colorless
PETG (Polyethylene Terephthalate Glycolate) 0.06" or 0.04"
Visor : Colorless PETG 0.02 or Clear, Impact Modified Acrylic .018
or Polycarbonate (no laser cutting) (Clear Acrylic Impact
Modifiers), depending on market availability
Elastic band
: flat, 1 cm, practical and versatile. Example:
https://www.amazon.ca/-/fr/dp/B086C38L29/ref=sr_1_3
Properties
of colourless PETG:
very good optical properties
very
good resistance to chemical agents
transparent, anti-fog and
anti-scratch
fitted comfort
reusability possible
very easy to machine and does not require any special
precautions
very shock and fire resistant
Properties
of the elastic
elastic with knitted buttonhole,
3/4"
width
preferably pale color |
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7- Manufacturing of Face shield parts |
1- the Real Size picture file of Face sheild parts
stored at file :
.../visiereProtection_files/Real-Face-Size.jpg"
width="3024" height="2929"
2- Configure the laser cutting
machine
Frame =0,06" ep |
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the Real Size picture file of Face sheild parts
stored at file :
.../visiereProtection_files/Real-Face-Size.jpg"
width="3024" height="2929" |
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8- Face shield mounting |
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| Srep 1 |
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| Srep 2 |
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| Srep 3 |
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| Srep 4 |
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| Srep 5 |
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| Srep 6 |
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| Final result:
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.JPG)
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