Extrusion - v4.3 - Lydia

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Extrusion v4 - Lydia

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Popular PP extruder , perfect for labs, small enterprises; updated for a bigger screw and motor.

Type: Extruder
Version: 4.3
Status: Tested
License CERN Open Source Hardware License
Type Single Screw
Weight 110 kg
Power (W) 5 kW
Voltage 380V or 220V
Amperage 16A
Input Flake Size Small
Screw diameter 30mm
Length of screw (mm) 900 mm
Effective screw length 600 mm
Rated Motor Power 3 kW
- Rated Motor output Torque 109 Nm
- Rated Motor output speed 263 RPM
- Heating zones 3
Heating power: max. 2 kW





Part Nr. Description Configuration
1 Extrusion Hopper Stainless 2mm
2 Screw Shield Stainless 2mm
3 Heatbands 7x 300W Brass
4 Screw & Shield Support Mount
5 Nozzle
6 Motor 1480RPM | 3Kw | Supports 220V | 380V
7 Reducer 1:10
8 Motor Flange 160mm diameter | 8x M10 bolts
9 Barrel Flange 100mm diameter | 8x M8 bolts
10 Bearing Housing
11 Extrusion Screw 30mm diameter
12 Power Switch Motor Contactor
13 Emergency Switch
14 VFD Panel
15 Feed Zone PID (Temperatur Controller) Inkbird 100 VH
16 Mixing Zone PID (Temperatur Controller) Inkbird 100 VH
17 Nozzle Zone PID (Temperatur Controller) Inkbird 100 VH
18 Power Switch Heating Contactor
19 Direction Switch
20 Baseplate 80cm x 15mm x 200mm


  • Advanced extrusion control with optimized workflow to fill molds
  • Jam detection
  • Status lights : Ok & Error
  • Emergency and reset button
  • Various motor protections (thermal & magnetic).
  • Rigid, flexible and modular framework – enabling hacking and extensions. The base plate is 15 mm thick.
  • Extrusion hopper can be easily detached.
  • Thermocouples (sensors) have clips, easy to detach.
  • Complies also with basic regulations in schools.
  • Stops automatically after one hour of inactivity.
  • High quality cables and wiring according to industrial standards.
  • Compression screw according to v4 with added extra strength
  • Stronger taper bearings extra trust bearing
  • Quality heatbands and PID controllers
  • Simplified bearing housing design with no exotic parts as in v4, easy to replace and scale for even bigger screws

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  • One item: €140.00
  • Each additional item: €0.00
Our response to "humberto iess marrero" review :

- the very user bullied us several times on Whatsapp with endless messages & threats
- till a point we couldn´t afford the resources anymore to deal with this sort of behavior

- the users was perfectly ok and aware about the delays, til the day we shipped

- there was no final agreement about the mentioned extension We can only recommend to stay far away from this person!
Here I want to share my experience with no intention to hurt anyone. Maybe it has been an isolated case because of the actual circumstances but things could be done much better.

- Machine good quality

- Delay of 14 weeks (it was a COVID period).
- Bad communication
- Missing parts lost during the shipping (some screws)

Even though the machine works perfectly I am disappointed with all the selling process. The purchase was done the second of October with a six week schedule to deliver the machine.

week 4

One month after the first payment I put in contact with plastic hub to see how all was going. Because of personal reasons they delayed two weeks. I understand the delay but as a customer I would prefer to be notify, by a mail or a WhatsApp.

week 6

Days passed and another delay was added to the extruder, another two weeks. Obviously they didn't notify me, they waited until they had several WhatsApp messages in different days to call me and say me the machine had another two weeks delay. Until then I had been really comprehensive because the actual Covid situation and a 4 week delay was understandable.

week 11

The 15th of December I received a call from Plastic hub asking me for the last payment to send the machine. Obviously because of the delay I ask for proofs, a video with my invoice to make sure everything was OK. They took several days to answer, finally they called me the fifth of January saying that some parts were missing and as soon as they receive them they could send me the video for the payment. I understand you suppliers can delay but be real say the truth from the beginning to avoid distrust ¿why you ask for the final payment the 15th of December if the machine wasn't finished? In this moment I was getting really angry: the lack of interest informing, the delay and asking for the last payment when the machine wasn't really finish, ended with my patient.

Week 16

I recibe the video make the payment the same day and in a day the extruder was shipped. (Plastic hub said me the machine to my destination takes between 2 o 3 days) Obviously the machine came 4 weeks later, obviously plastic hub did not inform or contact me in any moment, and obviously it had the delay because of a invoice error from plastic hub.

Week 20

The extruder is here but with some screws missing and also an extension promised by plastic hub for the considerable delay. The purchase included a 1 hour Skype to assemble the machine but because of the situation between the parts plastic hub will send a video to answer our doubts.

Week 22

Still waiting the video, no response from plastic hub.

I suppose plastic hub has their own version of the story, but I also hope that they can learn from their clear mistakes, mainly because I don't wish anyone to have the bad experience I had with them. The machine is fine, but the rest is all wrong.
Fast execution of the order. All is going well so far.
Gunter was very welcoming and helped me through it. I havent tested the machine at home yet and I will keep in touch with him as I do it.

So far I am very happy with the service.
Superior injector, waaaays better and more powerful than regular PP-injector.

Shipping went well, easy assembly and super support from Guenter who built the injector. Would recommend to anyone injecting plastic
Communication was perfect, profesional, and also Machine arrived in perfect conditions.

Thank you.

Things went good, despite unforseen shipping issues on the postal service’s part. We had a running dialogue throhought the proccess - look forward to assemble the machine and try it out!

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