分析了带凸缘密封固定盖的工艺性，介绍了级进模总体设计结构和排样设计。

The manufacturability of a fixing cover with flange seal was analyzed. The general structural design and layout scheme of a progressive die for the cover were presented in detail.

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打开绞丝盖后，我们现在取下绞丝下面用来固定的螺丝。

With the hinge cover removed, we now remove the screw right under the hinge.

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主体材质采用不锈钢，底座有三个螺钉固定，带装饰盖。

The principal part is made of steel, with three screws fixed at bottom and decorative cover.

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