Extrusion & Post
6 مشاهدة
LDPE Haul-off Stability
ظاهرة المشكلة
LDPE film winding thickness records fluctuate.
تحليل الأسباب
Haul-off speed fluctuation changes the draw ratio; 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 literature and should be confirmed first during troubleshooting.
الحل
Haul-off closed-loop control; thickness measurement feedback; winding tension taper; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; Change only one variable at a time and record parameter changes to facilitate locating effective measures.
الخلاصة الأساسية
Thickness stability relies on haul-off closed loop; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.
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