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导致雨水篦子变形的原因有哪些

Release time：

2020-12-02 16:53

source：

      1、选用热镀锌表面处理雨水篦子时，在高温下也会出现变形现象。假如雨水篦子在焊接后发生较强的内应力，此时就会发生要紧的变形。

　　2、雨水篦子基体的内应力。假如在焊接过程中不矫直扁钢，而将扁钢直接焊接在模具上，则表面看起来是挺直的，本质上此时发生了较强的内应力。在外力的作用下，造成雨水篦子的形式变成弓形。

　　3、雨水篦子包装运输中出现摔打、挤压和冲锋造成变形。

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