Injection Molding
12 görüntüleme
Glass fiber exposure of PBT reinforced materials
Sorun Belirtisi
The glass fiber on the surface of glass fiber reinforced PBT products is obviously exposed, with a rough feel.
Neden Analizi
The mold temperature is too low, and the surface layer PBT cools quickly and cannot fully coat the glass fiber; the injection speed is too slow; the glass fiber content is too high or the length is too long.
Çözüm
Raise the mold temperature to 100-120°C; increase the injection speed to achieve fast mold filling; appropriately reduce the glass fiber content or use chopped glass fiber.
Temel Çıkarım
PBT glass fiber exposure is closely related to mold temperature and mold filling speed.
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