Extrusion & Post
5 görüntüleme
Excessive Temperature Rise in PBT Twin-Screw Extrusion Pelletizing
Sorun Belirtisi
During recycled PBT pelletizing, the twin-screw temperature rise is too high, causing degradation.
Neden Analizi
The screw speed is too high and the gearbox heats up; the cooling is insufficient; the shear heat accumulates.
Çözüm
Appropriately reduce the screw speed; strengthen barrel cooling; use a low-shear screw configuration.
Temel Çıkarım
PBT pelletizing temperature control is closely related to screw design.
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