Processing Machinery
5 조회수
HDPE film recycled material bridging
문제 현상
After blending crushed recycled material, the feeding is unstable, the output fluctuates and even the material supply is interrupted.
원인 분석
Crushed film flakes (fluff) have low bulk density and bridge and slip in the feeding section of the screw; the problem intensifies when the proportion of recycled material is high.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
①Drill a hole at the front end of the screw and water-cool the first 3~5 flights; ②control the blending ratio of recycled material; ③use a densifier to increase the density of the recycled material; ④monitor the feeding stability.
핵심 요약
Recycled material bridging is a physical feeding obstacle; feeding section modification and densification treatment are common countermeasures.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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