Extrusion & Post
9 Aufrufe
Edge defects of BOPP film
Problembeschreibung
After slitting, the film roll edges are uneven, with burrs or serrations, affecting downstream unwinding and use.
Ursachenanalyse
Misaligned slitting knives, dull blades, or improper slitting parameter settings reduce the edge cutting quality; edge defects also cause film breaks and downtime.; during on-site investigation, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Lösung
①Regularly maintain the slitter to ensure alignment and blade sharpness; ②optimize slitting parameters; ③adopt precision cutting processes; ④establish a blade replacement cycle.; after adjustment, continuously sample and verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
Edge cutting quality depends on the condition of the slitting equipment; tool management and parameter standardization are the guarantee of edge quality.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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