Extrusion & Post
8 görüntüleme
POE extrusion film transverse corrugation
Sorun Belirtisi
POE extruded film surface shows transverse periodic corrugation, wavelength 5-10mm
Neden Analizi
Haul-off roller vibration or unstable speed produces periodic stretching changes; cooling roller eccentricity or out-of-round surface causes periodic contact pressure changes
Çözüm
1) Overhaul haul-off rollers to eliminate vibration; 2) Round cooling rollers, eccentricity <0.02mm; 3) Install pressure stabilizing device on the extruder to eliminate pressure fluctuation; 4) Stable haul-off speed control ±0.5%
Temel Çıkarım
Transverse corrugation is caused by haul-off vibration and roller eccentricity; equipment overhaul and stable control are key
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