Extrusion & Post
5 조회수
PE Extrusion Output Decline
문제 현상
PE extruder output drops 10%~30% below the rated value, with significantly reduced output at the same screw speed, accompanied by worsening plasticization.
원인 분석
Screw and barrel wear increases the fitting gap (>0.3mm), reducing the conveying and pressure-building efficiency; screen pack blockage, improper temperature settings and unstable feeding also cause output decline; long-term processing of filled regrind accelerates wear.
해결 방법
①Measure the screw-barrel gap, and repair or replace it if out of spec; ②regularly replace the screen pack; ③check and optimize the temperature profile; ④check the feeding system and hopper cooling; ⑤select wear-resistant material screws and barrels for wear conditions.
핵심 요약
For long-term PE extrusion output decline, first measure the screw gap—this is the most decisive hardware indicator; output is a barometer of equipment health; do not just rely on raising the screw speed to hold on, as that will further accelerate wear.
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!