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抗风门

I10 · 2 门型

在暴露场地——沿海设施、山顶厂区、迎风面很长的堆场——普通工业门是负担。风压使帘体或门扇变形,导轨承担荷载,第一场风暴就会告诉你规格是否定对。抗风门就是为这种工况做的:加强导轨、抗风杆或更刚性的门板构造,以及把荷载传进结构而不是留在门上的固定节点。

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选型要点

  • 给出风荷载或场地暴露条件;没有这个前提无法选抗风门。
  • 加强导轨要把荷载传进墙体,因此墙体固定节点属于门的规格。
  • 抗风杆与更刚性的门板能减少变形,但会增加重量,进而改变电机选型。
  • 要问变形控制值而不只是额定风压:门弯多少,和它能扛住什么一样重要。

常见问题

How do I know which wind class I need?
From the site's design wind pressure, which comes from the structural engineer. Give that figure at enquiry.
Is it a different product or a reinforced version?
In practice it is a reinforced configuration of a standard door family, with different guides and stiffening.
Does it work with high speed operation?
High speed and high wind resistance pull in different directions. The balance is set for the specific opening.
Can it be retrofitted to an existing opening?
Sometimes, but the wall fixing and the guide arrangement usually need review. It is assessed per site.

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