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Weird adhesion problem  

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Saij
 Saij
(@saij)
Estimable Member
Weird adhesion problem

Hi,

I now have a textured powder coated steel sheet from Prusa and I came across a weird issue: if I clean my steel sheet with IPA 99% then the adhesion is bad. The first few layers everything looks fine but then it starts to lose adhesion.
I then clean it with azeton and everythings is good again. I can print for many hours and not losing adhesion.
It disturbes me a bit because on my MK2S and on the stickered steel sheet I always used denatured alcohol from the grocery store without any problems.

Any ideas what is happening here? (Live-Z is good! Maybe a little bit too deep).

Greetings Christoph

Napsal : 16/07/2018 7:34 pm
Rosparovac
(@rosparovac)
Estimable Member
Re: Weird adhesion problem

What material you print of? ABS? Nylon? ASA? for everyone mentioned i increase bed temperature to 110°C and fix it. I use only soap, or aceton.

University: MK2S upgraded to MK3 with MMU2.0
Home: MK3
Materials: ABS; ASA; PETG; PET; PLA; Nylon; Nylon Carbon; CPE;
SW: Freecad 0.18; Slicer PE And still generating more troubles than whole forum together.

Napsal : 16/07/2018 10:15 pm
Saij
 Saij
(@saij)
Estimable Member
Topic starter answered:
Re: Weird adhesion problem

I only print PLA and sometimes PETG.

Napsal : 16/07/2018 10:17 pm
Rosparovac
(@rosparovac)
Estimable Member
Re: Weird adhesion problem

Try to increase bed temperature a little bit (10%). Maybe a hotend temp. too. You need more runny fillament to leak into sandy surface.

University: MK2S upgraded to MK3 with MMU2.0
Home: MK3
Materials: ABS; ASA; PETG; PET; PLA; Nylon; Nylon Carbon; CPE;
SW: Freecad 0.18; Slicer PE And still generating more troubles than whole forum together.

Napsal : 16/07/2018 10:35 pm
Saij
 Saij
(@saij)
Estimable Member
Topic starter answered:
Re: Weird adhesion problem

But why does it stick for many hours after I clean it with azeton?
It only stops to adhere after I cleaned the bed with IPA like it was shown in the introduction video from Prusa.

Napsal : 17/07/2018 5:24 am
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