Processing Machinery
3 조회수
POM barrel residence decomposition
문제 현상
After a short shutdown and restart, products yellow and have a sour odor.
원인 분석
POM remaining in the barrel continues to decompose when heated; if the machine is stopped without cooling down or purging, the decomposition products contaminate subsequent products and corrode the equipment.
해결 방법
①If shutdown exceeds 10~15 minutes, cool down or purge immediately; ②fully purge at startup; ③clean the barrel; ④avoid long residence of small parts on large machines.
핵심 요약
POM shutdown = immediate handling, delay means decomposition.
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