Injection Molding
12 görüntüleme
Jetting in PBT Injection Mold Cavity
Sorun Belirtisi
The melt enters the cavity in a high-speed jet instead of normal filling flow.
Neden Analizi
The gate size is too small, producing jetting; the injection speed is too high; the distance between the gate and the cavity wall is insufficient, causing the melt to shoot straight.
Çözüm
Increase the gate size or use a fan gate; reduce the injection speed in the gate area; change the gate position so that the melt hits the wall and decelerates.
Temel Çıkarım
PBT jetting disrupts the normal filling pattern.
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