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圆锥内套的反挤压--辗扩工艺

尚万寿,李振平, 朱坤汉,陈学武, 曹学力,李蜀红

ZHOUCHENG JISHU（2002）

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Abstract
如今锻造圆锥内套锻件的主要方法有:一是平锻机打毛坯后250扩孔机扩孔;二是压力机闭式成形穿实料芯;三是Pda630线上,用上、下同时反挤后穿连皮然后再辗扩成形.这些锻造方法都很实用,但都有其局限性.
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