Extrusion & Post
10 조회수
Transverse Ripples on CMC Extruded Film
문제 현상
Transverse periodic ripples with wavelength 5-10mm on the surface of CMC extruded film
원인 분석
Haul-off roller vibration or unstable speed produces periodic stretching changes; cooling roller eccentricity or out-of-round surface causes periodic contact pressure changes
해결 방법
1)Overhaul haul-off rollers to eliminate vibration; 2)Round cooling rollers with eccentricity <0.02mm; 3)Install pressure stabilizing device on the extruder to eliminate pressure fluctuations; 4)Stable control of haul-off speed ±0.5%
핵심 요약
Transverse ripples are caused by haul-off vibration and roller eccentricity; equipment overhaul and stable control are the key
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