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| 冷温热结合新工艺成形汽车转向螺杆 |
| New Technology of Cold and Warm Combination for Forming the Car Steering Screw |
| Received:July 11, 2011 Revised:May 10, 2012 |
| DOI： |
| 中文关键词: 汽车转向器 精密成形 转向螺杆 冷挤压 温锻 |
| 英文关键词: car steering precision forming steering screw cold extrusion warm forging |
| 基金项目: |
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| 中文摘要: |
| 介绍了苏州银涛精密锻造公司开发的汽车转向螺杆的冷温热结合新工艺，此工艺是一种由热锻制坯，温锻预成形，冷挤压最终成形相结合的精密成形工艺。该工艺大大提高了汽车转向螺杆的生产速度，材料节约了30%，机械加工时间缩短了70%，经济效益显著。 |
| 英文摘要: |
| The car steering screw was developed by the new technology of cold and warm combination.The process is a precision forming technology in which blanking is conducted by forging, preforming by warm forging, final forming by cold extrusion. The process greatly enhances the production speed of car steering screw, material is saved by 30%, the machining time is saved by 70%, which gives significant economic benefits. |
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