Processing Machinery
5 مشاهدة
PP Back Pressure and Screw
ظاهرة المشكلة
PP back pressure and screw speed management; balance of shear heat and plasticizing.
تحليل الأسباب
PP back pressure management; high back pressure shear heat; low back pressure uneven plasticizing; screw speed coordination; melt uniformity; temperature monitoring.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
الحل
①Moderate back pressure control; ②Screw speed coordination; ③Shear heat monitoring; ④Actual melt temperature measurement; ⑤Plasticizing quality.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
The coordination of PP back pressure and screw is plasticizing quality; shear heat management protects the material; actual measurement prevents deviation.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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