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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拆卸车轴护罩，清洁凸缘并重新密封。

Remove cover and clean flange and reseal.

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封闭装置凸缘可用机械方法或焊接方法洽当接合。除非封闭装置本身是防漏的，否则必须使用垫圈或其他密封件。

Closure flanges may be mechanically seamed or welded in place. Gaskets or other sealing elements shall be used with closures, unless the closure is inherently leak proof.

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