Molding Process
6 مشاهدة
HDPE pipe sizing sleeve buildup
ظاهرة المشكلة
Material accumulates at the sizing sleeve inlet, and the pipe surface is scratched.
تحليل الأسباب
Volatiles or low molecular substances in the melt condense and accumulate at the sizing sleeve inlet; high melt temperature aggravates volatilization.
الحل
①Regularly clean the sizing sleeve; ②appropriately lower the melt temperature; ③check raw material quality; ④polish the sizing sleeve inlet.
الخلاصة الأساسية
Sizing sleeve buildup = volatile condensation; lower the temperature and clean frequently.
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