在流延薄膜的实际生产中,即使设备运行稳定,也可能出现薄膜表面光泽度不足、透亮度下降等镜面效果不达标的问题。这类问题的排查与解决,直接考验着流延机的质量以及操作人员对工艺的理解。南京住野精工机械有限公司结合实践经验,总结出一套系统的排查与解决方案。 辊面状态排查:镜面效果的第一道关口。 冷却辊表面是镜面效果的“模具”。当薄膜出现雾度偏高或表面粗糙时,应优先检查辊面状态。常见问题包括辊面附着物未及时清理、辊面被硬物划伤、辊面镀层磨损等。清理辊面时必须使用铜质刀或专用清洁工具,不可用硬钢刀刮划辊面。流延机的质量体现在辊面耐磨性与抗划伤能力上,优质辊面可显著延长镜面效果的保持周期。 温度系统排查:镜面
Cast film manufacturers often face challenges including a wide variety of raw materials and frequent order changeovers. Different materials such as PP, PE, EVA and TPU have vastly different requirements for processing temperature, shear rate and cooling characteristics. Whether a cast film machine c
Coating manufacturers are often confronted with practical challenges including a wide range of slurries and frequent substrate change‑overs. Solvent‑based, water‑based, solvent‑free and other slurries have remarkably different requirements for feeding pressure, coating speed and drying profile. Whet
Cast‑film manufacturers are often challenged by a wide variety of raw materials and frequent order change‑overs. Different materials such as PP, PE, EVA and TPU have vastly different requirements for processing temperature, shear rate and cooling performance. Whether a cast‑film machine can achieve