Processing Machinery
3 조회수
PMMA Nozzle Temperature
문제 현상
Repeated cold material blockage at the PMMA nozzle
원인 분석
PMMA has a high solidification temperature, and a slightly low nozzle temperature causes solidification and blockage; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based on experience alone.; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
해결 방법
Nozzle temperature consistent with or slightly higher than melt temperature; check nozzle heater band power; keep the nozzle tight against the mold when opening; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
핵심 요약
PMMA nozzle temperature prefers high rather than low, to prevent cold material blockage; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.; include this case in the defect archive as a troubleshooting reference for similar future problems.
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