Extrusion & Post
5 görüntüleme
HDPE extrusion screw slipping
Sorun Belirtisi
During plasticization, the screw makes abnormal noise, the discharge fluctuates, and the current fluctuates greatly.
Neden Analizi
The feed section temperature is too high, and the particles melt too early and wrap the screw causing slipping; or hopper bridging and abnormal particle shape make conveying unstable.
Çözüm
①Lower the feed section temperature and strengthen hopper neck cooling; ②check for feeding bridging; ③evaluate screw feed section wear; ④rationalize the particle/powder ratio.
Temel Çıkarım
For discharge pulsation, first check the feed section temperature and feeding.
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