Injection Molding
5 조회수
Glass Fibre '2079851475616104452 severe flash
문제 현상
Glass Fibre injection molded product parting line flash 0.05-0.1mm, width >2mm, needs secondary trimming
원인 분석
Injection pressure too high >80MPa, melt overflows from parting line; clamping force insufficient; mold parting line fit gap >0.02mm
해결 방법
1) Reduce injection pressure to 60-70MPa; 2) increase clamping force or use larger tonnage injection machine; 3) mold fit gap <0.02mm; 4) increase melt viscosity to reduce mold penetration tendency
핵심 요약
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold fit are key
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