The differential gauge forging can be made by general open die or horizontal split precision closed die.

差压计锻件可以采用普通开式模锻成形和可分凹模多向闭塞精密模锻成形。

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So, it is always formed on the die-forging hammer by the open-die forging with insert mode.

液压支架中的缸底生产批量不是太大，外形多变，所以它多在锤上用镶块模开式模锻成形。

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Based on the analytic results of the numerical simulation, the forming process and the mould structure for the spur-gear open-die forging were designed properly.

在数值模拟分析结果的基础上，对直齿轮的开放式成形工艺和模具结构进行了合理设计。

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The project joins a handful of similar planned towers in cities such as Chicago and San Francisco, where developers and investors are putting faith in the recovery gaining steam and forging ahead with speculative office towers planned to open in two to three years.

WSJ: Developers Wager on Big City Office Towers