Injection Molding
16 조회수
TPU Overmolding Injection
문제 현상
TPU overmolded metal parts have insufficient bonding strength
원인 분석
Improper metal surface state or preheating temperature results in weak interface bonding; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
해결 방법
Metal surface cleaned and roughened; preheating temperature controlled; choose bonding-grade materials; 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 bonding strength relies on surface and preheating; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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