Material Drying
4 görüntüleme
PLA Twin-Screw Drying-Free
Sorun Belirtisi
Traditional crystallization drying lines have high energy consumption and many failures, seeking a drying-free solution for PLA sheet
Neden Analizi
A parallel twin-screw with a Roots vacuum pump for forced devolatilization (ultimate vacuum 10Pa) can eliminate the crystallization drying step and directly extrude PLA sheet; low energy consumption, high output and prevents melt degradation
Çözüm
①Evaluate a twin-screw vacuum devolatilization drying-free production line; ②Vacuum ≤10Pa to ensure dehydration; ③Melt gear pump pressure stabilization to ensure uniform thickness; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Twin-screw vacuum devolatilization is a process innovation for PLA sheet; eliminating crystallization drying reduces both energy consumption and failure rate; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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