| 模数法设计金属型铸造铝活塞保温冒口 |
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| 引用本文： | 李辉. 模数法设计金属型铸造铝活塞保温冒口[J]. 铸造技术, 2005, 26(7): 603-604 |
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| 作者姓名： | 李辉 |
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| 作者单位： | 合肥工业大学材料科学与工程学院,安徽,合肥,230009 |
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| 摘 要： | 根据保温冒口的散热特征,引用有效散热系数修正凝固模数,进一步修正金属型铸造的凝固比得出金属型保温胃口方程式.并设计了东风EQ140汽车活塞的保温冒口.浇注实验结果显示:铸造工艺出品率提高到84.9%,显著提高了冒口有效补缩效率.
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| 关 键 词： | 金属型 保温冒口 模数 有效散热系数 铝活塞 |
| 文章编号： | 1000-8365(2005)07-0603-02 |
| 修稿时间： | 2005-04-27 |
Designing of Insulating Riser for Permanent Mold Casting by Modulus |
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| LI Hui. Designing of Insulating Riser for Permanent Mold Casting by Modulus[J]. Foundry Technology, 2005, 26(7): 603-604 |
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| Authors: | LI Hui |
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| Abstract: | Based on the thermal properties of insulating riser, effective heat dissipation coefficient was introduced to modify modulus, moreover, the more exact freezing rate of permanent mold casting process was also obtained. A formula of the ratio of riser to casting modulus for insulating riser of permanent mould casting process was proposed. Meanwhile, an insulating riser for piston of Dong-Feng EQ140 automobile was designed. The result of casting indicated that the casting yield is increased to 84. 9%. The feeding efficiency of riser is also improved remarkably. |
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| Keywords: | Permanent mold Insulating riser Modulus Effective heat dissipation coefficient Al-piston |
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