复杂薄壁框类铝合金铸件工艺设计及数值模拟

文波; 夏志单; 季珊林; 温家宝; 赵占西

doi:10.15980/j.tzzz.2018.07.020

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复杂薄壁框类铝合金铸件工艺设计及数值模拟
Casting Method Design and Numerical Simulation of Complex Thin-wall Frame Aluminum Castings
2018年38卷第7期页码：768-771
纸质出版日期： 2018 ，
DOI： 10.15980/j.tzzz.2018.07.020

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[1]文波,夏志单,季珊林,温家宝,赵占西.复杂薄壁框类铝合金铸件工艺设计及数值模拟[J].特种铸造及有色合金,2018,38(07):768-771.

Wen Bo, Xia Zhidan, Ji Shanlin, et al. Casting Method Design and Numerical Simulation of Complex Thin-wall Frame Aluminum Castings[J]. Special Casting & Nonferrous Alloys, 2018,38(7):768-771.
[1]文波,夏志单,季珊林,温家宝,赵占西.复杂薄壁框类铝合金铸件工艺设计及数值模拟[J].特种铸造及有色合金,2018,38(07):768-771. DOI： 10.15980/j.tzzz.2018.07.020.

Wen Bo, Xia Zhidan, Ji Shanlin, et al. Casting Method Design and Numerical Simulation of Complex Thin-wall Frame Aluminum Castings[J]. Special Casting & Nonferrous Alloys, 2018,38(7):768-771. DOI： 10.15980/j.tzzz.2018.07.020.

摘要

介绍了一种复杂薄壁框类铝合金铸件的铸造工艺:采用三箱造型

设计了所需砂芯结构

并对中箱造型工艺进行了简化。设计了圆形底注式浇注系统

借助ProCAST软件研究铸件充型和凝固过程。根据初始方案模拟得到缩孔、缩松位置分布和大小

通过在预测的缺陷处合理放置冒口、保温套和冷铁等对铸件进行有效补缩

基本消除了缩孔、缩松等铸造缺陷。

Abstract

The casting process of complex thin-walled frame aluminum alloy castings was described.Based on the three-box modeling

the required sand core structure was designed

and the middle box molding process was simplified.A round bottom-pouring gating system was designed.The filling and solidification process of the castings were visualized with the help of the ProCAST software.Based on the position distribution and size of the shrinkage cavities and porosities

by setting a riser

insulating sleeve and cold iron at the predicted defects position

effective filling can be realized

and the casting defects such as shrinkage cavities and porosities can be basically eliminated.