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| 大变截面连杆辊锻制坯工艺技术发展现状 |
| The Development Status on the Technology of Whole Roll Forging Billets' Making of Connecting Rod of Different Sections |
| Received:February 01, 2010 Revised:March 10, 2010 |
| DOI： |
| 中文关键词: 连杆 辊锻 制坯 |
| 英文关键词: connecting rod roll forging billets' making |
| 基金项目: |
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| 中文摘要: |
| 综述了连杆的受力特点与质量要求，介绍了铸造连杆、粉末锻造连杆、锻钢连杆的成形工艺特点。针对大型大变截面连杆，充分利用辊锻成形的特点，采取精密整体辊锻制坯，再模锻成形工艺方案。并介绍了连杆锻造工艺的最新发展——“整体断裂分开”锻造的特点。 |
| 英文摘要: |
| The loading characteristics and requirements of quality of connecting rods are introduced in this paper. The techniques of casting, powder forging and forging steel of connecting rods are pointed out in the meantime. For connecting rods with large and different sections, a precise compound forging process of whole roll forging and die forging is presented using the advantages of roll forging. At last, up-to-date development on technology "crack parting" forging is introduced. |
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