| R2178 21-2A型铸钢托轮铸造工艺模拟及优化 |
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| 引用本文： | 米国发,董翠粉,赵大为.R2178 21-2A型铸钢托轮铸造工艺模拟及优化[J].航天制造技术,2009(1). |
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| 作者姓名： | 米国发 董翠粉 赵大为 |
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| 作者单位： | 河南理工大学材料科学与工程学院; |
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| 摘 要： | 利用Z-Cast软件对铸钢托轮凝固过程的温度场和时间分布进行模拟,依据模拟分析结果对原工艺加以改进。通过采用添加保温冒口方法,改变铸件不合理的凝固顺序,使铸件在整体上形成了有利于补缩的凝固顺序;在不影响铸件使用性能的前提下添加补贴,建立补缩通道,有效地对最后凝固区域进行了补缩。通过改进工艺,最终消除了关键部位的缩孔缺陷,获得了优质的大型铸钢托轮件。
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| 关 键 词： | 大型托轮铸钢件 数值模拟 凝固 工艺优化 |
Simulation and Optimization of Casting Process for R2178 21-2A Large-scale Cast-steel Riding Wheel |
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| Mi Guofa Dong Cuifen Zhao Dawei.Simulation and Optimization of Casting Process for R2178 21-2A Large-scale Cast-steel Riding Wheel[J].Aerospace Manufacturing Technology,2009(1). |
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| Authors: | Mi Guofa Dong Cuifen Zhao Dawei |
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| Institution: | College of Material Science and Engineering;Henan Polytechnic University;Jiaozuo 454000 |
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| Abstract: | The numerical simulation software Z-Cast is used to simulate the temperature and the time distribution during the solidification process of cast-steel riding wheel. According to the results of simulation, the original casting technique is optimized.Using of the insulated riser is a valid way to change the solidification order, then a favorable order of solidification is formed, which is of great use of feeding. In order to create feeding channels effectively, the pads are added without any influence on the ... |
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| Keywords: | large-scale cast-steel riding wheel numerical simulation solidification technology optimization |
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