Extrusion & Post
13 مشاهدة
TPE extrusion streaks
ظاهرة المشكلة
Streaks appear at the same position of TPE extruded products, die damage or foreign material mixing
تحليل الأسباب
Causes of TPE extrusion streaks: die damage and fouling, foreign material mixing, weld area not eliminated; die condition and cleanliness are the main variables; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
الحل
①clean the die; ②clean the barrel, screw, and head; ③increase the length from the weld area to the die; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
TPE extrusion streaks are troubleshooted along the three lines of die, cleanliness, and weld; die condition is the first inspection item; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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