Category:Precious Plastic: Difference between revisions

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=== Shredder ===
=== Shredder ===
[[File:Precious plastic shredder parts.jpg|300px|right|thumb|laser cut shredder parts before assembly]]
[[File:Precious plastic shredder parts.jpg|200px|left|thumb|laser cut [[shredder]] parts before assembly]]
''[https://preciousplastic.com/en/videos/build/shredder.html => Instructions]''


[[User:Armin|Armin]] got the laser cut parts and two [https://www.conrad.at/de/flanschlager-htb-grauguss-ucfl-204-bohrungs-o-20-mm-lochabstand-90-mm-197022.html flange bearings]; they are in a box in the [[Metal Workshop|metal workshop]].
Plastic needs to be cut into manageable pieces before it can be recycled - therefore, the '''[[Plastic Shredder|shredder]]''' is the first machine we are building!


[[Lukas]] ordered a piece of 27 mm ''(Schlüsselweite)'' [https://www.ebay.de/itm/Sechskant-Automatenstahl-SW-27-mm-Lange-wahlbar-11SMnPB30/111079075160 hexagonal steel].
<br clear=left>
=== Injection ===
''[https://preciousplastic.com/en/videos/build/injection.html => Instructions]''


Other materials include [[Threaded Rods|threaded rods]] and other [[Metal Parts|metal parts]] that we should already have at the Space.
...to be built once the shredder is finished
 
We should remember to take some photos with each step, so that we can put together a nice [https://davehakkens.nl/community/forums/topic/shredder-in-austria-vienna/ build log like this one] in the end!
 
==== Tasks ====
 
The following tasks should be sufficient in order to assemble the shredder. If everybody is fine with github, we can also move this task list into a project on github. Please contact [[User:NitramLegov|Martin]] if you want this to be done.
 
{| class="wikitable"
|-
!Number !! Relevant Part !! Task !! Status !! Responsible !! possible tools
|-
| 1 || Shredder || Buy lasercutted parts for the shredder itself    || Done || [[User:Armin|Armin]] || -
|-
| 2 || Shredder || Buy the hexagonal Steel              || Done || {{£}} || -
|-
| 3 || Shredder || Adjust the hexagonal steel              || Done || [[User:Johannes|Johannes]], [[User:Armin|Armin]] || [[Metal Lathe]]
|-
| 4 || Shredder || Assemble the Shredder  || Done || [[User:Flor|Flor]] || -
|-
| 5 || Shredder || weld the assembled shredder parts together || Done ||[[User:Luzian|Luzian]] || [[Welding Transformer]]
|-
| 6 || Shredder || make a hand crank for first tests || Done ||  || -
|-
| 7 || Motor || we have a suitable motor(3kw by 1500u/min) and need a gear box - the [https://www.instructables.com/class/Large-Motors-Class/ "Large Motors Class" on Instructables may be useful || not started || {{HelpNeeded}} || -
|-
| 8 || Motor || Assemble the motor to the hexagonal steel || waiting for 7 || {{HelpNeeded}} || -
|-
| 9 || Motor || install a safety switch (open when hands could get into the shredder) || waiting for 8 || [[User:Johannes|Johannes]] ,{{HelpNeeded}} || -
|-
| 10 || Framework || design the framework || not started (depends on 7) || {{HelpNeeded}} || -
|-
| 11 || Framework || buy the needed parts || waiting for 10 || {{HelpNeeded}} || -
|-
| 12 || Framework || Assemble the framework || waiting for 11 || {{HelpNeeded}} || [[Welding Transformer]]
|-
| 13 || Hopper || Decide on the Material || Done || {{HelpNeeded}} || -
|-
| 14 || Hopper || Assemble the hopper || Done || {{HelpNeeded}} || [[Welding Transformer]]
|-
| 15 || Overall || put it all together || waiting for 9 and 12 || {{HelpNeeded}} || -
|-
|}


=== Extrusion ===
=== Extrusion ===
''[https://preciousplastic.com/en/videos/build/extrusion.html => Instructions]''
''[https://preciousplastic.com/en/videos/build/extrusion.html => Instructions]''


...to be built once the shredder is finished
...''perhaps'' to be built once the injection molding machine is finished
 
=== Injection ===
''[https://preciousplastic.com/en/videos/build/injection.html => Instructions]''
 
...to be built once the shredder is finished


=== Compression ===
=== Compression ===
''[https://preciousplastic.com/en/videos/build/compression.html => Instructions]''
''[https://preciousplastic.com/en/videos/build/compression.html => Instructions]''


...to be built once the shredder is finished
...we're probably not going to build this one anytime soon but will rather try using weights and a [[Drying Oven|drying oven]]


=== Rotomolder ===
=== Rotomolder ===

Revision as of 14:05, 28 October 2018

ProjectInfoBox

Precious Plastic

Precious Plastic Logo.png
Status: some parts ordered
Release Date: first machine(s) in 2018?
Initiator: Dave Hakkens
Team: Lukas, Mitja, Armin, Johannes,
Luca, Sebastian, Martin, Flor,
who else would like to help?

Materials Used: plastic waste


Precious Plastic is an international community working on plastics recycling. You can download their entire "kit" of documentation on various open-source machines here.

There are several members who are interested in building one or multiple of their machines (see InfoBox).

Goal

Plastics are very versatile materials, but are mostly made from non-renewable sources and can persist in the environment for very long times after their (often short) intended life cycle.

Naturally, many people concerned with sustainability have tried to come up with ways to reuse, repurpose and recycle "waste" plastics and we want to join them! As a community workshop, we can build machines that individuals might not be able to and share them with interested people in the area. Maybe the CoMakingSpace becomes a bit of a recycling hub in the near future?

Collecting/Preparing Waste

Something we can already do is collecting materials and sorting them for further use - starting with waste from the 3D printer farm, for example. There would just need to be separate containers for PLA, PETG and whatever else people are printing with, and some sort of clear signage alerting everyone of the importance to sort carefully.

Mixed colors will give nice effects, but mixing different plastics might mess everything up due to their different melting points.

  • how to wash & dry?

Machines

Besides specially built machines, we may also be able to use some existing ones for plastic recycling experiments:

Shredder

laser cut shredder parts before assembly

Plastic needs to be cut into manageable pieces before it can be recycled - therefore, the shredder is the first machine we are building!


Injection

=> Instructions

...to be built once the shredder is finished

Extrusion

=> Instructions

...perhaps to be built once the injection molding machine is finished

Compression

=> Instructions

...we're probably not going to build this one anytime soon but will rather try using weights and a drying oven

Rotomolder

Not part of the precious plastic portfolio - could be made from an old cement mixer, just needs some add-ons for temperature control, a timer and some way to automatically rotate the handwheel (Flor has some experience with it).

You can make cool hollow shapes with a rotomolder, e.g. lamps like these!

Further Inspiration

Pages in category "Precious Plastic"

The following 4 pages are in this category, out of 4 total.

P

R

Media in category "Precious Plastic"

This category contains only the following file.

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