Extrusion & Post
4 조회수
HDPE extrusion head pressure fluctuation
문제 현상
The head pressure gauge needle fluctuates, and product dimensions fluctuate accordingly.
원인 분석
Unstable feeding, screw wear, screen blockage, or temperature fluctuation cause melt pressure pulsation.
해결 방법
①Check feeding and hopper cooling; ②measure the screw gap; ③replace the screen; ④stabilize temperature control.
핵심 요약
Tracing pressure fluctuation: material, screw, screen, temperature.
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