Injection Molding
12 görüntüleme
Improper Screw Speed of PBT '2079851475616104452 Machine
Sorun Belirtisi
An excessively high screw speed causes excessive shear heat and degradation, while an excessively low speed causes insufficient plasticization and uneven product quality.
Neden Analizi
The screw speed is not optimized according to the characteristics of PBT and the glass fiber content; the general setting is not suitable.
Çözüm
For PBT reinforced material, the recommended screw speed is 50-80rpm; reduce the back pressure to reduce shear heat; monitor the melt temperature.
Temel Çıkarım
The PBT screw speed needs to balance plasticization and shear heat.
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