Material Drying
4 조회수
TPE bubble cause differentiation
문제 현상
Bubbles inside or on the surface of the product, with inconsistent effects after drying, injection speed, and mold adjustments
원인 분석
The main cause of TPE bubbles is moisture not fully dried; excessive injection speed entrains air; poor mold venting traps air; moisture in the hard plastic of overmolded parts is also a source
해결 방법
①first verify the moisture content of TPE and hard plastic; ②reduce injection speed to prevent air entrainment; ③check the mold venting system; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
TPE bubble troubleshooting must consider both soft and hard plastics; dual-'2079851475616104451 is a special requirement for overmolded parts; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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