Injection Molding
6 görüntüleme
CEF injection gate freezing too early
Sorun Belirtisi
The gate of the CEF injection molded part freezes within 0.5-1s during the holding pressure stage, the holding pressure cannot be transmitted, and the part shrinks severely
Neden Analizi
The gate size is too small, diameter <1mm, leading to rapid freezing; the injection temperature is low; the mold temperature is low, accelerating gate cooling
Çözüm
1) Increase the gate diameter to 1.5-2mm; 2) Increase the injection temperature to 160-220°C; 3) Increase the mold temperature to 40-50°C to delay gate freezing; 4) Holding pressure decays in steps rather than sudden release
Temel Çıkarım
Early gate freezing is caused by small gate and low temperature; enlarging the gate and increasing the temperature are the fundamental measures
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