Extrusion & Post
5 조회수
LCP Product Delamination and Peeling
문제 현상
Layered peeling appears on the product surface.
원인 분석
The melt front rolls over and folds on the cavity surface (flow front rollover); improper injection speed or flow front temperature fluctuation disorders surface orientation and causes delamination.
해결 방법
①Optimize the injection speed curve for steady filling; ②appropriately increase melt and mold temperature; ③optimize the gate to reduce disturbance; ④check hot runner temperature uniformity.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
LCP delamination is related to flow front behavior; steady filling is the key to prevention.; after confirming effectiveness, solidify 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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