Injection Molding
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POE '2079851475616104452 severe flash
Problembeschreibung
POE injection molded product parting line flash 0.05-0.1mm, width >2mm, requiring secondary trimming
Ursachenanalyse
Injection pressure too high >80MPa, melt overflows from the parting line; clamping force insufficient; mold parting line fitting gap >0.02mm
Lösung
1) Reduce injection pressure to 60-70MPa; 2) Increase clamping force or use a larger tonnage '2079851475616104452 machine; 3) Mold fitting gap <0.02mm; 4) Increase melt viscosity to reduce seepage tendency
Wichtigste Erkenntnis
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold fitting are key
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