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| {{MachineInfoBox
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| |machine name=Plastic Shredder
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| |image=
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| |synonyms=
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| |type=[[Precious Plastic]] recycling machine
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| |material=''[[plastics]]''
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| |location=[[Metal Workshop|metal workshop]]
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| |access=''once completed:'' upon [[Plastic Shredder Introduction|personal introduction]]
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| |status=under construction
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| |firmware=
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| |software=
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| |manual=[https://preciousplastic.com/en/videos/build/shredder.html preciousplastic.com] (build instructions)
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| |tutors=
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| |used with=
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| |similar=
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| }}
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| The shredder is the first machine we are building for the [[Precious Plastic]] project as all the other machines require small, somewhat uniform pieces of [[plastic]] as their raw material. | | The shredder is the first machine we are building for the [[Precious Plastic]] project as all the other machines require small, somewhat uniform pieces of [[plastic]] as their raw material. |
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| 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!
| | <br clear="all" /> |
| | | <!-- NOTE: The following block "imports" content from separate pages - please don't change the code! To edit the actual information, please go back and click "edit" next to the section headline you are interested in :-) --> |
| == Materials ==
| | {{#ask: |
| [[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]].
| | [[MachineType::Plastic Shredder]] |
| | | |order=ascending |
| [[Lukas]] contributed a piece of 27 mm ''(Schlüsselweite)'' [https://www.ebay.de/itm/Sechskant-Automatenstahl-SW-27-mm-Lange-wahlbar-11SMnPB30/111079075160 hexagonal steel].
| | |format=embedded |
| | | |embedonly=yes |
| The motor we are going to was supplied by the CoMakingSpace and [[Johannes]] ordered a suitable gearbox.
| | }} |
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| We have a small selection of perforated metal plate ''(Lochblech)'' that could be adapted (cut and perhaps re-drilled) to be the "sieves" determining the particle size that comes out of the shredder.
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| Other materials include [[Threaded Rods|threaded rods]] and other [[Metal Parts|metal parts]] that we should already have at the Space.
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| ==== Tasks ====
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| 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.
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| {| class="wikitable"
| | [[Category:Precious Plastic]] |
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| !Number !! Relevant Part !! Task !! Status !! Responsible !! possible tools
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| | 1 || Shredder || Buy lasercutted parts for the shredder itself || Done || [[User:Armin|Armin]] || -
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| |-
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| | 2 || Shredder || Buy the hexagonal Steel || Done || {{£}} || -
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| | 3 || Shredder || Adjust the hexagonal steel || Done || [[User:Johannes|Johannes]], [[User:Armin|Armin]] || [[Metal Lathe]]
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| |-
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| | 4 || Shredder || Assemble the Shredder || Done || [[User:Flor|Flor]] || -
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| | 5 || Shredder || weld the assembled shredder parts together || Done ||[[User:Luzian|Luzian]] || [[Welding Transformer]]
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| |-
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| | 6 || Shredder || make a hand crank for first tests || Done || || -
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| | 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}} || -
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| | 8 || Motor || Assemble the motor to the hexagonal steel || waiting for 7 || {{HelpNeeded}} || -
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| | 9 || Motor || install a safety switch (open when hands could get into the shredder) || waiting for 8 || [[User:Johannes|Johannes]] ,{{HelpNeeded}} || -
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| | 10 || Framework || design the framework || not started (depends on 7) || {{HelpNeeded}} || -
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| | 11 || Framework || buy the needed parts || waiting for 10 || {{HelpNeeded}} || -
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| | 12 || Framework || Assemble the framework || waiting for 11 || {{HelpNeeded}} || [[Welding Transformer]]
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| | 13 || Hopper || Decide on the Material || Done || {{HelpNeeded}} || -
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| | 14 || Hopper || Assemble the hopper || Done || {{HelpNeeded}} || [[Welding Transformer]]
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| |-
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| | 15 || Overall || put it all together || waiting for 9 and 12 || {{HelpNeeded}} || -
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| |-
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| |}
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The shredder is the first machine we are building for the Precious Plastic project as all the other machines require small, somewhat uniform pieces of plastic as their raw material.
Precious Plastic Shredder
This shredder is used to convert plastic waste into flakes that can be used in Precious Plastic projects.
We have a small selection of perforated metal plate (Lochblech) that could be adapted (cut and perhaps re-drilled) to be the "sieves" determining the particle size that comes out of the shredder.
Original Build
build instructions
Armin got the laser cut parts and two flange bearings in 2018.
Lukas contributed a piece of 27 mm (Schlüsselweite) hexagonal steel.
Components:
- 3 kW, approx. 1500 rpm Drehstrom-Asynchron-Motor
- gearbox: 20:1
- electronic components:
- emergency stop: TBD (similar to the one at the CNC router)
- 1xMotorschutzschalter 6,3-10A Gekauftes Modell:
- 2xLeistungsschutzschalter mit Hilfskontakten Gekauftes Modell: DIL EM 01 G mit 22 DIL E
- 2xLeuchttaster für rechts- linkslauf
- Stopp Taster
- 3Phasen Hauptschalter
Missing:
Other materials include threaded rods and other metal parts that we should already have at the Space.
Electronics
