Injection Molding
4 조회수
Screw seizure and non-rotation during PLA '2079851475616104452
문제 현상
PLA hardens or crystallizes and locks the screw so that it cannot rotate.
원인 분석
When the machine is stopped, the PLA in the machine cools, crystallizes, and solidifies, locking the screw.
해결 방법
Clean and replace the PLA with polyolefin before stopping; heat in place before restarting.
핵심 요약
PLA cooling crystallization screw seizure is a major accident.
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