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Institut für Werkzeugmaschinenund Fertigungstechnik
Platzhalter für Bild, Bild auf Titelfolie hinter das Logo einsetzen
Manual for PET filament extruding
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina KindermannOctober 12th 2015Institute for Machine Tools and Production TechnologyInstitute for Machine Tools and Production Technology
Outline
Explanation of the extruder with whole views
Steps for extrusion:Steps for extrusion: Bottle cleaning and crushing Drying of the crushed bottlesDrying of the crushed bottles Extrude Winding
Troubleshooting
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 2
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Whole view (upright)
Compressed air leverand pressure gauge
Temperaturecontrol
Piston
Melting potg p
Pulling unitPulling unit
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 3
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Whole view (lying)
Winder Pulling unitg
12VPower supply
Coolingsectionsupply
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 4
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Safety informations
W i fWarning ofelectric shockat the heating
elementselements.
Warning ofincineration at
the heatingelements.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 5
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Bottle cleaning and crushing
1. Wash thebottles 2. Remove bottles. cover.
3. Cut the top. 4 Cut the base4. Cut the base.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 6
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Bottle cleaning and crushing
1. Cut the mainbodybody.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 7
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Bottle cleaning and crushing
1. The cuttedparts should fit in the meltingin the melting
pot.
2. The cuttedparts should be
dry (usedry (usesunlight).
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 8
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Drying and homogenising of the crushed bottles
1. Leave thepiston upright.
1. Fill themelting pot of
the uprightthe uprightextruder with
the parts(approx 8(approx. 8 bottles).
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 9
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Drying and homogenising of the crushed bottles
3. Maintain120°C for
approx. 4h.1. Push themain power
lever up.
2. Heat the extrudert b t tstep by step to
120°C by pushing setand use the cursor
buttons Start with 60buttons. Start with 60 then 90 and then
120°C.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 10
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Drying and homogenising of the crushed bottles
3. Maintain200°C for1. Push theapprox. 1h
(depending on material).
compressed airlever gently to
the left. The i illpiston will move
down.
2. Heat the extruderto 200°C.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 11
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Extrude
1. Lay down theextruder.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 12
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Extrude
1. Plugin the 2. Water levelgcooling sectionand fill it withapprox. 70°C hot water (1,2
litres).
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 13
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Extrude
1. Plugin thepulling unit and
ensure thewheels are
rotating in theright direction.g
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 14
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Extrude
1. Heat up to217°C.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 15
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Extrude
1 Filament1. Filament should now start
to extrude.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 16
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Extrude
1. Lay thefilament betweenthe wheels in the
pulling unit.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 17
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Winding
1. Plug in thewinder
2. Mount thefilament into thewinder. filament into the
winder.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 18
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Winding
1. The filamentshould be
winded to thedrum.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 19
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Winding
1. The filamentshould have a thickness of
1,75mm.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 20
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Troubleshooting
If too much air bubblesappear inside the
melted PET, close thecompressed air supply
and wait for 15 minutes, so that thePET f ll h tPET can fully heatthouroughly. Thenopen the air supply
i d tiagain and continuewith extrusion.
Institut für Werkzeugmaschinenund Fertigungstechnik
October 12th 2015 | Slide 21
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina Kindermann | Manual for PET filament extruding
Institut für Werkzeugmaschinenund Fertigungstechnik
Platzhalter für Bild, Bild auf Titelfolie hinter das Logo einsetzen
Thank you!
Benjamin Neef, Roman Stieben, Nora Jaeschke, Lina KindermannOctober 12th 2015Institute for Machine Tools and Production TechnologyInstitute for Machine Tools and Production Technology