Rapid casting of complex impeller based on 3D printing wax pattern and simulation optimization

被引:3
|
作者
Donghong Wang
Anping Dong
Guoliang Zhu
Da Shu
Jinyu Sun
Fei Li
Baode Sun
机构
[1] Shanghai Jiao Tong University,Shanghai Key Lab of Advanced High
[2] Shanghai Jiao Tong University,temperature Materials and Precision Forming, School of Materials Science and Engineering
[3] Shanghai Jiao Tong University,State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering
[4] Shanghai University of Engineering Science,Materials Genome Initiative Centre, School of Materials Science and Engineering
来源
The International Journal of Advanced Manufacturing Technology | 2019年 / 100卷
关键词
Rapid casting; Stainless steel impeller; Shrinkage porosity; Numerical simulation; Rapid prototyping;
D O I
暂无
中图分类号
学科分类号
摘要
Rapid casting is the product of digital, information, and optimization of casting technology. It mainly includes rapid prototyping and virtual manufacturing. In order to shorten the production cycle of a stainless steel closed impeller casting, the wax pattern was made by high impact polystyrene (HIPS) with a selective laser sintering and photosensitive resin with stereolithography (SL). In order to prevent the formation of shrinkage defects, different gating systems designed to examine the molten metal flow and solidification behavior during the pouring and solidification process. The results show that pouring temperature is 1550 °C and pouring speed is 0.75 m/s, which is favorable for filling impeller castings, and can avoid casting defects. The optimized gating system prevented surface shrinkage and interior defects. The optimized gating systems have been verified by experiment, and the rapid casting has been realized based on 3D printing wax pattern and simulation optimization. This rapid casting can reduce processing time and costs, and enhance casting quality in the foundry industry.
引用
收藏
页码:2629 / 2635
页数:6
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