Processing Machinery
6 مشاهدة
Product has burning, poor plasticization, or unstable color
ظاهرة المشكلة
The product has burning, poor plasticization, or unstable color, related to the screw speed setting
تحليل الأسباب
Screw speed too fast, excessive shear, thermal degradation and burning
Screw speed too slow, uneven plasticization
Improper matching of speed and back pressure
Unstable speed causes plasticization fluctuation
Speed needs adjustment when using regrind
الحل
Appropriately reduce the screw speed to reduce shear
Ensure uniform plasticization, match speed with back pressure
Stabilize speed control
Adjust speed according to raw material and regrind
Cellulose acetate butyrate recommended speed 60-120rpm
الخلاصة الأساسية
Screw speed needs to match back pressure to avoid excessive shear
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