Injection Molding
4 조회수
Flash and burrs on products
문제 현상
Thin sheet-like excess material appears at the mold parting line, affecting assembly
원인 분석
Clamping force is insufficient to resist cavity pressure; injection pressure peak is too high, causing the mold to open; the mold parting line is worn or has foreign matter
해결 방법
Verify clamping force ≥ cavity projected area × (40-80MPa); reduce injection/holding peak pressure; check and repair the mold parting line
핵심 요약
Flash reflects the matching problem between the clamping system and injection pressure
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