• 吹膜机头工艺参数设计
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吹膜机头工艺参数设计

  • 28/02/2018 09:10:09

吹膜机头工艺参数设计 1.吹胀比:吹塑薄膜的吹胀比(a)是指经吹胀后管泡的直径(Dp)与机头口模直径(Dk)之比。这是吹塑薄膜一个重要的工艺参数,它将薄膜的规格和机头的大小联系起来。吹胀比(a)通常为1.5-3.0,对于超薄薄膜,最大可达5-6。在生产过程中,压缩空气必须保持稳定,…

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