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| 7A04铝合金碗形件的闭式模锻 |
| Closed Die Forging of 7A04 Aluminum Alloy Bowl-shaped Pieces |
| Received:April 04, 2012 Revised:July 10, 2012 |
| DOI： |
| 中文关键词: 碗形件 闭式模锻 模具结构 |
| 英文关键词: bowl-shaped part closed die-forging die structure |
| 基金项目: |
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| 中文摘要: |
| 通过对碗形件产品结构的分析，提出了闭式模锻成形的工艺方案。确定了毛坯图、工艺流程和工艺参数，设计了模具结构，在上模内角和退料圈上分别加了排气孔，以确保毛坯充满型腔。工艺试验结果表明，毛坯成形完全，采用闭式模锻成形碗形件工艺可行，现已进行了大量的实际生产应用。 |
| 英文摘要: |
| By analysis of the bowl-shaped pieces of product structure， closed die-forging is proposed . the blank charts，the process and process parameters was introduced. The die structure is designed. The vents in the interior angle of the upper die and the withdrawal ring are added to ensure that the blank filled with the cavity. Results of the test showed that closed die-forging can be used for the making the bowl-shaped parts. Now large-lot production has been realized. |
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