Molding Process
4 조회수
HDPE pipe sizing sleeve buildup
문제 현상
Material accumulates at the sizing sleeve inlet, and the pipe surface is scratched.
원인 분석
Volatiles or low molecular substances in the melt condense and accumulate at the sizing sleeve inlet; high melt temperature aggravates volatilization.
해결 방법
①Regularly clean the sizing sleeve; ②appropriately lower the melt temperature; ③check raw material quality; ④polish the sizing sleeve inlet.
핵심 요약
Sizing sleeve buildup = volatile condensation; lower the temperature and clean frequently.
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