Processing Machinery
3 Aufrufe
PETG product black or dark lines
Problembeschreibung
Black or dark linear stripes appear inside the product.
Ursachenanalyse
The barrel or screw has carbon deposits falling off and mixing into the melt, and a certain temperature zone overheats causing local degradation.
Lösung
Clean the barrel and screw to remove carbon deposits; check the accuracy of each temperature zone; use purging compound for regular machine cleaning.
Wichtigste Erkenntnis
PETG black lines point to carbon deposits or local degradation.
War das hilfreich?
0 Personen fanden dies hilfreich
Vielen Dank für Ihr Feedback!