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korneel

wanneer is een PFTE element nu versleten?

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allen;

heb nu al een aantal PTFE elementen "versleten".. tenminste, dat denk ik..

heb er in totaal 4 vervangen;

een was echt helemaal gesmolten in de hot end dus ik neem aan dat die terecht vervangen was ;)

maar nu heb ik deze 3 dus;

1:

PFTE 1

verkleuring goed te zien en wat XT zit aan de binnenkant vast

PFTE 1 1

hier zie je het uitstekende stukje XT

PFTE 1 2

dit is wat ik bij alle 3 de elementen zie. het lijkt alsof er een soort "ring" inzit. dus hij is mooi recht, dan een deukje dan weer recht, een beetje uitgezet. is dat erg? ik heb ze nu vervangen omdat dat gebeurde..

2.

PFTE 2

bij het pijltje is ook die "deuk" weer goed te zien

3.

PFTE 3

ook deze heeft dat..

de vraag is, zijn ze nu echt versleten?

hoe weet ik of mijn PTFE element is versleten? dat is de vraag...

 

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de vraag is, zijn ze nu echt versleten?

 

Ja. (No, I don't speak Dutch.)

More details in English... Your Teflon isolators seem pretty much the same as mine when they got worn out. You can see a photo and detailed discussion here:

http://umforum.ultimaker.com/index.php?/topic/7024-teflon-spacer-replacement/?p=67737

Basically, when there's such a distinct ridge, retraction doesn't work anymore normally - the prints will come out under-extruded.

 

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