真空差压铸造薄壁铝合金转接头铸造工艺设计及优化

熊博文; 余欢; 蔡长春; 王振军; 李春; 涂志新

doi:10.15980/j.tzzz.2014.05.010

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真空差压铸造薄壁铝合金转接头铸造工艺设计及优化
Process Design and Optimization of Vacuum Counter-Pressure Casting Thin-Walled Al Alloy Adapter
2014年34卷第5期页码：496-499
纸质出版日期： 2014 ，
DOI： 10.15980/j.tzzz.2014.05.010

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[1]熊博文,余欢,蔡长春,王振军,李春,涂志新.真空差压铸造薄壁铝合金转接头铸造工艺设计及优化[J].特种铸造及有色合金,2014,34(05):496-499.

Xiong Bowen, Yu Huan, Cai Changchun, et al. Process Design and Optimization of Vacuum Counter-Pressure Casting Thin-Walled Al Alloy Adapter[J]. Special Casting & Nonferrous Alloys, 2014,34(5):496-499.
[1]熊博文,余欢,蔡长春,王振军,李春,涂志新.真空差压铸造薄壁铝合金转接头铸造工艺设计及优化[J].特种铸造及有色合金,2014,34(05):496-499. DOI： 10.15980/j.tzzz.2014.05.010.

Xiong Bowen, Yu Huan, Cai Changchun, et al. Process Design and Optimization of Vacuum Counter-Pressure Casting Thin-Walled Al Alloy Adapter[J]. Special Casting & Nonferrous Alloys, 2014,34(5):496-499. DOI： 10.15980/j.tzzz.2014.05.010.

摘要

通过数值模拟充型流场、温度场以及缩孔、缩松预测

对真空差压铸造薄壁铝合金转接头铸造工艺方案进行了优化设计。数值模拟结果表明

使用铜基冷铁优化后的薄壁铝合金外体铸件的铸造工艺方案合理

充型流态平稳

温度分布均匀且预测的缩孔、缩松未分布在铸件上。实际生产中使用铜基冷铁有效地优化了温度场

降低了铸件出现缩孔、缩松的几率

证明该工艺能有效生产合格的铸件。

Abstract

The vacuum counter-pressure casting process for thin-walled Al alloy adapter as a crucial structural component was optimized by simulating filling flow field

temperature field and shrinkage holes（porosity）.The numerical simulation results show that the optimized casting process with copper-cold iron for thin-walled Al alloy shell exhibits reasonable

in which the filling flow shows stable with temperature uniform distribution and absence of the predictable shrinkage porosity（holes）in the casting. Through using copper-based cold iron

the temperature distribution can be optimized effectively

thereby reducing the probability of shrinkage cavities and porosity in the casting.The practical production verifies that this process can produce qualified thin-walled Al alloy adapter casting.