Material Drying
4 조회수
TPE Overmolding Moisture
문제 현상
Bubbles and delamination at the TPE overmolding interface
원인 분석
The overmolding material or hard plastic parts contain moisture; the interface moisture vaporizes; 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 information and should be confirmed first during troubleshooting
해결 방법
Fully dry the overmolding material; bake and dehumidify hard plastic parts; clean the interface; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
핵심 요약
Overmolding interface moisture is controlled at both ends; 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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