Based on the analysis of the advantage and disadvantage of both overseas and domestic closed cold forging equipment , closed cold forging equipment consisting of a nc precise forging hydropress and a set of hydraulic drive female die has been developed , hence realization of the precision die forging of key parts for car , such as bevel gears 摘要在分析了国内外现有闭式冷精锻装备的优缺点的基础上，开发研制了数控精锻液压机和液压传动凹模模具装置，构成闭式冷精锻设备，实现了圆锥齿轮等轿车关键零件的精密模锻生产。
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