Injection Molding
11 조회수
Multi-stage Injection of PLA Products
문제 현상
Unreasonable speed curve.
원인 분석
A single speed is hard to balance everything; PLA requires a refined curve.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
해결 방법
①Multi-stage injection; ②Initial stage to prevent jetting; ③Middle stage filling; ④Final stage to prevent overfilling and degradation.; After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
Multi-stage injection protects PLA from shear damage.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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