Extrusion & Post
6 مشاهدة
LDPE Film Winding Tension Out of Control
ظاهرة المشكلة
The roll is wound too tight showing chrysanthemum patterns, or too loose with uneven end faces.
تحليل الأسباب
The winding tension setting and taper curve do not match the roll diameter change; an inaccurate tension sensor also causes loss of control.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
الحل
①Optimize the tension taper curve; ②Calibrate the tension sensor; ③Check the winder mechanical condition; ④Adjust the tension baseline according to film thickness.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
الخلاصة الأساسية
Winding tension must be dynamically adjusted with roll diameter; reasonable taper curve setting is the key to roll quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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