Molding Process
3 Aufrufe
LLDPE film shrink film uneven shrinkage
Problembeschreibung
The shrink film shrinks unevenly and wrinkles after heating.
Ursachenanalyse
Uneven orientation in the film (frost line/air ring asymmetry); improper shrink temperature.
Lösung
①Uniform cooling and setting; ②adjust the shrink temperature curve; ③control blow-up ratio consistency.
Wichtigste Erkenntnis
Uneven shrinkage = uneven orientation.
War das hilfreich?
0 Personen fanden dies hilfreich
Vielen Dank für Ihr Feedback!