Extrusion & Post
12 مشاهدة
Glass Fibre vacuum section material overflow
ظاهرة المشكلة
Glass Fibre extrusion vacuum section material overflow, vent hole clogged
تحليل الأسباب
Glass Fibre melt viscosity low, overflows at vacuum section; vacuum section temperature too high, viscosity lower, aggravates overflow; vent hole design improper
الحل
1) Reduce vacuum section temperature 5-10°C to raise viscosity; 2) add baffle above vent hole to prevent overflow; 3) raise screw speed to accelerate conveying and reduce residence
الخلاصة الأساسية
Material overflow is caused by low melt viscosity; cooling and adding baffle are key
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