| 276Q微型汽车发动机曲轴的铸造 |
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| 引用本文： | 陈军,宋显辉.276Q微型汽车发动机曲轴的铸造[J].现代铸铁,2004,24(4):40-41. |
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| 作者姓名： | 陈军 宋显辉 |
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| 作者单位： | 五菱汽车有限责任公司,柳州机械厂,广西,柳州,545005 |
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| 摘 要： | 276Q铸态球铁曲轴的牌号为QT700-2，要求珠光体不低于90％，硬度240-300HB；采用工频炉熔化，气冲造型，稀土镁球化剂，冲入法球化处理和随流孕育处理。对化学成分的选择和炉料配比进行了介绍。试制结果，性能达到要求。
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| 关 键 词： | 球铁 铸态 曲轴 |
| 文章编号： | 1003-8345(2004)04-0040-02 |
| 修稿时间： | 2004年4月30日 |
Production of 276Q Nodular Iron Crankshaft for Mini-Buss Engine |
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| CHEN Jun,SONG Xian-hui.Production of 276Q Nodular Iron Crankshaft for Mini-Buss Engine[J].Modern Cast Iron,2004,24(4):40-41. |
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| Authors: | CHEN Jun SONG Xian-hui |
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| Abstract: | 276Q crankshaft was produced with QT700-3 grade nodular iron. It is required that pearlite content is not less than 90%, hardness is of 240-300 HB. Main frequency furnace was used for melting; air impact moulding line was used for moulding; rare earth-magnesium nodularizer, pour-over ( sandwhich) process and stream inoculation process were adopted for nodularization and inoculation treatment. The composition choice and melting charge mixture ratio was also introduced. As the result of trial production,' all items of properties met technical requirements. |
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| Keywords: | nodular iron as-cast- crankshaft |
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