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| 拼焊板车门内板冲压成形工艺研究 |
| Study of Stamping Process of Door Inner Made of Tailor-welded Blanks |
| Received:April 27, 2010 Revised:September 10, 2010 |
| DOI： |
| 中文关键词: 拼焊板 车门内板 焊缝移动 数值模拟 |
| 英文关键词: tailor-welded blanks door inner weld line movement numerical simulation |
| 基金项目: |
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| 中文摘要: |
| 采用数值模拟软件Dynaform 5.5对某拼焊板车门内板的拉深成形工艺进行研究，探讨不同压边力和拉延筋对该复杂曲面零件成形性能以及焊缝移动的影响规律。通过调整压边力和拉延筋等工艺参数得到了成形性能较好且焊缝移动趋势较小的车门内板零件。 |
| 英文摘要: |
| Weld line movement is another important problem in the stamping process of tailor-welded blanks besides rupture and wrinkle.The stamping process of door inner made of tailor-welded blanks was investigated by numerical simulation software Dynaform 5.5. The influnce on the formability and the weld line movement of this complicated surface part on the condition of different blank holder forces and drawbeads was studied. Door inner with better formability and smaller weld line movement was got by adjusting the blank holder forces and drawbeads .And then the bases of process detemining and die design of door inner made of tailor-welded blanks forming are supplied for actual production. |
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