Injection Molding
4 görüntüleme
DSTDP injection severe flash
Sorun Belirtisi
DSTDP injection molded product parting line flash 0.05-0.1mm wide >2mm, requiring secondary trimming
Neden Analizi
Injection pressure too high >80MPa, melt overflows from the parting line; clamping force insufficient; mold parting line fitting gap >0.02mm
Çözüm
1) Reduce injection pressure to 60-70MPa; 2) increase clamping force or use a larger tonnage injection machine; 3) mold fitting gap <0.02mm; 4) increase melt viscosity to reduce mold penetration tendency
Temel Çıkarım
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold fitting are key
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