Processing Machinery
4 조회수
Plasticization efficiency decreases after screw wear, product quality fluctuates
문제 현상
Plasticization efficiency decreases after screw wear, product quality fluctuates
원인 분석
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)
해결 방법
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
핵심 요약
Screw wear requires regular checks and timely replacement
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