Processing Machinery
6 مشاهدة
Plasticization efficiency decreases after screw wear, product quality fluctuates
ظاهرة المشكلة
Plasticization efficiency decreases after screw wear, product quality fluctuates
تحليل الأسباب
Screw flight wear, plasticization efficiency decreases
Gap between screw and barrel increases, severe leakage flow
Check ring wear, poor sealing, inaccurate metering
Screw surface damage, material hang-up and degradation
Cellulose acetate butyrate processing wears faster than ordinary materials (PA+glass fiber especially severe)
الحل
Regularly check the screw wear amount
Replace the screw when the gap exceeds 0.15mm
Replace the worn check ring in time
Clean screw surface damage
Glass fiber reinforced PA requires wear-resistant screws
الخلاصة الأساسية
Screw wear requires regular checks and timely replacement
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