Processing Machinery
8 görüntüleme
LDPE Thickness Band
Sorun Belirtisi
Transverse periodic thick-thin bands on LDPE film
Neden Analizi
Local deviation of die lip gap or periodic fluctuation of air ring airflow; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Çözüm
Fine adjustment of die lip gap; automatic air ring thickness closed loop; thickness scanning; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, so as to locate the effective measure
Temel Çıkarım
Thick-thin bands rely on die lip and automatic air ring treatment; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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