• 吹起薄膜的冷却装置(二)
  • 1

吹起薄膜的冷却装置(二)

  • 05/03/2018 09:22:14

吹起薄膜的冷却装置(二) 水环在平挤下吹的生铸线中,熔体刚离开口模时先用风环冷却,使管泡稳定;然后立即用水环冷却,才能得到透明度较高的薄膜。冷却水环的结构如下。 由此可知,冷却水环是内径与膜管外径相吻合的夹套。夹套内通冷却水,冷却水从夹套上部的环形孔…

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