Extrusion & Post
12 görüntüleme
PET uneven winding
Sorun Belirtisi
PET sheet winding end faces are uneven
Neden Analizi
Transverse thickness fluctuations of the sheet make winding tension uneven, and the end faces gradually drift; during on-site troubleshooting, 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-tune the die lip gap to control transverse thickness; winding tension taper control; add EPC correction; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Winding quality depends on thickness uniformity and tension control; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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