Extrusion & Post
12 مشاهدة
CEF surface snakeskin texture
ظاهرة المشكلة
The surface of the CEF extruded product has snakeskin-like irregular texture
تحليل الأسباب
The extrusion temperature is low and the melt elastic recovery is uneven; the die temperature distribution is uneven
الحل
1) Increase the extrusion temperature to the processing temperature range; 2) Homogenize the die temperature ±2°C; 3) Reduce the extrusion rate to reduce elastic recovery
الخلاصة الأساسية
Snakeskin texture is caused by low-temperature extrusion and elastic recovery; increasing temperature and reducing speed are the key
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